Pressure Vessel Manufacturers

Last updated: January 2026

This directory lists 94 pressure vessel manufacturers across the United States, from specialty high-pressure reactor builders to large-scale industrial storage tank fabricators.

Buyers in this space are typically solving problems related to new process integration, capacity expansion, or replacing aging infrastructure. Their needs often center on achieving specific operating parameters—like maintaining high internal pressure, handling corrosive chemicals, or facilitating heat transfer—all while adhering to stringent safety regulations enforced by certifications like the ASME U-Stamp or R-Stamp. The consequences of material failure or weld integrity issues, even in the Heat-Affected Zone (HAZ), are often severe, driving demand for proven expertise.

Supplier types vary significantly, encompassing smaller custom shops focused on rapid prototyping and specialized applications for research and development, to mid-sized manufacturers specializing in modular skid-mounted systems for specific industries like chemical processing or energy, up to large industrial fabricators capable of field-erected vessels and managing complex global logistics. Their distinction often lies in their typical vessel size, material handling capabilities, and their depth of in-house engineering and Non-Destructive Testing (NDT) resources.

To ensure a smooth procurement process, buyers should prepare detailed mechanical drawings, material specifications (including any required corrosion allowance), process and instrumentation diagrams (P&IDs), and a clear understanding of the vessel's intended operating environment and code requirements. Suppliers, in turn, expect a comprehensive scope of work to accurately quote, encompassing everything from design and material procurement to fabrication, inspection hold points, and final documentation packages.

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Company Directory

94 companies nationwide

Ability Engineering Technology, Inc.

abilityengineering.com
Reno, NV

Ability Engineering Technology, Inc. provides engineering, design, quality fabrication, and testing for advanced cryogenic and vacuum equipment. They specialize in manufacturing custom pressure vessels for R&D and industrial applications, ensuring safe containment of gases or liquids at high pressures.

sales@abilityengineering.com+17083310025

AES, LLC

aess.us
—

Based in Kutztown, PA, AES, LLC specializes in custom pressure vessel fabrication, particularly for cryogenic systems and instruments. The company is ASME BPVC U & R Stamp and National Board Certified, manufacturing custom cryogenic storage tanks, cold boxes, and vacuum-jacketed spools. They offer over 50 years of industry experience.

tuanh@aess.us+14845420907

Allegheny Bradford Corporation

alleghenybradford.com
—

Allegheny Bradford Corporation, based in Bradford, PA, specializes in designing and manufacturing custom stainless steel pressure vessels and cylindrical tanks. They also produce heat exchangers, filter housings, and heater jackets. The company provides fabricated solutions for the pharmaceutical, biotechnology, fine chemical, cosmetics, and food industries.

sales@alleghenybradford.com+18143622590

American Alloy Fabricators

americanalloyfab.com
—

Based in Norristown, PA, American Alloy Fabricators specializes in the design and manufacture of custom, ASME-certified stainless steel pressure vessels and equipment. They serve the pharmaceutical, biotechnology, chemical, and food processing industries with high-quality fabrication.

sales@americanalloyfab.com+16106350205

American Industrial Heat Transfer, Inc.

americanindustrialheattransfer.com
Lacrosse, VA

Based in LaCrosse, VA, American Industrial Heat Transfer, Inc. manufactures superior heat transfer products and custom-engineered solutions. For over three decades, the company has produced 95% of its components in its state-of-the-art facility. They provide reliable, efficient heat transfer solutions for diverse industrial needs.

sales@heatx.com+18054842992

Apache Stainless

apachestainless.com
Beaver Dam, WI

Based in Beaver Dam, WI, Apache Stainless manufactures custom stainless steel vessels and tanks for diverse industrial applications. They produce pharmaceutical vessels, sanitary design tanks, distillation columns, and reactors, ranging from one to 160,000 gallons. The company specializes in ASME-compliant solutions.

sales@apachestainless.com+19203569900

Arc Energy

arcenergy.com
Scott, LA

Based in Scott, LA, Arc Energy manufactures and supplies diverse pressure vessels. The company designs and produces vessels in various sizes and configurations, specifically engineered to separate production fluids from oil and gas wells. They provide essential equipment for fluid processing within the energy industry.

sales@arcenergy.com+18886153558

ASC Process Systems

aschome.com
Valencia, CA

Based in Valencia, CA, ASC Process Systems specializes in ASME pressure vessel fabrication. The company manufactures advanced composite bonding autoclaves, like the Econoclave®, and composite curing ovens with integrated control systems. They serve the aerospace, composites, ballistics, glass, and nuclear industries.

info@aschome.com+18188330088

Bassett Mechanical

bassettmechanical.com
Kaukauna, WI

Based in Kaukauna, WI, Bassett Mechanical offers custom metal fabrication, including high-quality pressure vessels and unique designs. Utilizing their certified manufacturing facility, they provide comprehensive solutions for industrial and commercial clients. Additional services encompass industrial refrigeration, HVAC, plumbing, and building automation systems.

info@bassettmechanical.com+18002362500

Caldwell Tanks

caldwelltanks.com
Louisville, KY

Caldwell Tanks, based in Louisville, KY, designs, fabricates, and erects pressure vessels and sphere tanks across the United States. Specializing in industrial and water storage solutions, the company delivers custom tanks for various sectors, including oil & gas, chemical, power, and food & beverage, leveraging over a century of expertise.

sales@caldwelltanks.com+15029643361

CB Mills

cbmills.com
Gurnee, IL

Based in Gurnee, IL, CB Mills specializes in custom steel fabrication, including reactor vessels, electro-polished tanks, grinding mills, and solvent recovery systems. They serve industrial clients across the energy, paint and coating, chemical, CBD, and adhesive industries.

sales@cbmills.com+18005227343

Chart Industries

chartindustries.com
Ball Ground, GA

Chart Industries manufactures highly engineered cryogenic products and engineered systems for the clean energy and industrial gas markets. They support the liquid gas supply chain, providing equipment for distribution and storage of gases like LN2, O2, CO2, Ar, and He, with capabilities in engineering, service, and repair.

corpaccountspayable@chartindustries.com+17707218800

Cryofab, Inc.

cryofab.com
Kenilworth, NJ

Based in Kenilworth, NJ, Cryofab, Inc. manufactures and designs cryogenic storage and transfer solutions. They fabricate specialized cryogenic dewars, tanks, hoses, and custom equipment for liquid helium, nitrogen, oxygen, argon, and hydrogen. Serving science, industry, energy, and aerospace.

sales@cryofab.com+18004262186

Didion Vessel, LLC

didionvessel.com
Bellevue, OH

Didion Vessel, LLC, based in Bellevue, OH, manufactures ASME certified pressure vessels, piping, and related equipment. They specialize in heavy high-pressure units, large custom designs, cryogenic storage tanks, autoclaves, and moisture/gas separators. With over 30 years of experience, they provide quality products and quick deliveries.

vessels@didionvessel.com+14194832226

Paul Mueller Company

en.paulmueller.com
Springfield, MO

Paul Mueller Company, based in Springfield, MO, manufactures a diverse range of industrial processing equipment. They provide reactors and bioreactors for chemical production, alongside specialized vessels for the dairy and brewing industries. The company offers custom manufacturing solutions to meet specific client requirements for various applications.

info@paulmueller.com+14175759000

Enviro-Equipment

enviroequipment.com
—

Enviro-Equipment manufactures carbon steel tanks designed for high-pressure filter applications. These pressure vessels, part of their VPCV-HPS series, are specifically engineered for use in full-scale remediation systems, serving industrial environmental needs.

info@enviroequipment.com+18882748929

G&F Manufacturing Co., Inc.

gandf.com
Oak Lawn, IL

Based in Oak Lawn, IL, G&F Manufacturing Co. Inc. designs and custom builds pressure vessels for gases or liquids at various pressure ranges. The company also produces storage, mixing, and CIP/COP tanks, including jacketed vessels with hydraulic lift mechanisms. They serve industries such as food and pharmaceutical applications.

gandf@gandf.com+17084244170

GENERON

generon.com
Houston, TX

Based in Houston, TX, GENERON manufactures custom-engineered industrial pressure vessels, including horizontal double barrel and vertical filter separators. These systems are designed for efficient liquid and solid removal, handling high gas capacities for various processing applications. The company also specializes in nitrogen and gas generation solutions.

sales@generon.com+17139375200

Global Vessel and Tank

globalvesselandtank.com
Lafayette, LA

Based in Lafayette, LA, Global Vessel and Tank manufactures oil and gas surface production equipment. The company provides customized ASME Code Pressure Vessels and API 12-F Storage Tanks. With facilities in Louisiana, Texas, and Ohio, it serves clients across multiple states with various natural gas processing and separation equipment.

info@globalvessel.com+13375348925

TAVCO

goallclear.com
Camarillo, CA

TAVCO, a subsidiary of AllClear Aerospace & Defense, manufactures military and commercial pressure vessels and valves. Based in Camarillo, CA, the company provides OEM-licensed and customized solutions to exact specifications for the US Government and international clients.

pr@goallclear.com+19542397844

Goodhart Sons, Inc.

goodhartsons.com
—

Goodhart Sons, Inc. is a family-owned and operated business based in Lancaster, PA, specializing in the fabrication of ASME pressure vessels and other pressurized parts. They provide custom manufacturing solutions for industrial clients, focusing on high-quality, certified products designed for diverse applications requiring robust pressure containment.

info@goodhartsons.com+17176562404

Granite Peak Fabrication

granitepeakfabrication.com
Casper, WY

Based in Casper, WY, Granite Peak Fabrication specializes in building, fabricating, and maintaining ASME certified pressure vessels. Their experienced team handles some of the largest pressure vessels in the United States, offering comprehensive services for industrial clients requiring high-quality, certified fabrication.

gpfabrication@granitepeakfabrication.com+13073373400

Hexagon Group

hexagongroup.com
Lincoln, NE

Based in Lincoln, NE, Hexagon Group manufactures high-pressure composite storage tanks. These vessels are engineered for critical applications such as hydrogen ground storage, capable of withstanding pressures up to 1034 bar (15,000 psi). They provide advanced solutions for energy and transportation industries.

office@hexagongroup.com+14024708450

High Pressure Equipment Company

highpressure.com
—

Based in Erie, PA, High Pressure Equipment Company manufactures high-pressure products. They specialize in Reactors and Pressure Vessels, offering over 250 standard designs for bench-scale and pilot plant applications, capable of operating from 5,000 to 150,000 psi. Their product line also includes high-pressure valves, fittings, and pumps.

sales@highpressure.com+18002897447

H+M Industrial EPC

hm-ec.com
Houston, TX

Based in Houston, TX, H+M Industrial EPC specializes in the engineering, fabrication, and delivery of custom ASME pressure vessels and storage tanks. As an industrial EPC contractor, they offer comprehensive services from front-end engineering to construction, delivering high-quality capital project execution.

info@hm-ec.com+12819308750

Holloway America

hollowayamerica.com
Springfield, MO

Based in Springfield, MO, Holloway America specializes in custom pressure vessel fabrication services. The company designs and builds custom pressure vessels, tanks, and equipment, primarily using stainless steel. They offer a 3-year warranty on their products, serving partners with precision-engineered solutions.

info@hollowayamerica.com+14178630077

Houston Vessel Manufacturing (HVM)

houstonvessel.com
Houston, TX

Houston Vessel Manufacturing (HVM), based in Houston, TX, designs and fabricates custom pressure vessels, process skids, process piping, and packaged equipment for diverse industrial applications. They offer comprehensive manufacturing, repair, and modification services, ensuring high-quality, specialized solutions for their clients.

sales@houstonvessel.com+17139375299

Joseph Oat Corporation

josephoat.com
Camden, NJ

Based in Camden, NJ, Joseph Oat Corporation specializes in the manufacturing of various critical process equipment. They produce storage vessels, reactor vessels, special process vessels, and columns for industrial applications. The company has a global reach, shipping its specialized equipment to customers worldwide.

sales@josephoat.com+18565412900

Lannon Tank Company

lannontank.com
Lannon, WI

Based in Lannon, WI, Lannon Tank Company designs, engineers, and builds custom storage tanks of various shapes and sizes for industrial process services. They specialize in manufacturing diverse tanks, including Elutron®, Flameshield®, Fireguard®, and F921® models, tailored to specific client needs.

info@lannontank.com+12622517890

Melco Steel, Inc.

melcosteel.com
Azusa, CA

Based in Azusa, CA, Melco Steel, Inc. fabricates ASME pressure vessels, autoclaves, and Harris Quick Opening Doors. They construct vessels up to 18 feet in diameter and 200 feet long, handling high pressures/temperatures in carbon and stainless steel.

info@melcosteel.com+16263347875

MMI Tank & Industrial Services

mmitank.com
Phoenix, AZ

Based in Phoenix, AZ, MMI Tank & Industrial Services manufactures tanks and pressure vessels for industrial sectors including agriculture, mining, oil & gas, and water treatment. They provide comprehensive industrial services like piping, specialty welding, rigging, and construction, supporting clients from design to installation and maintenance.

info@mmitank.com+16022726000

MYER Companies

myercompanies.com
Mobile, AL

Based in Mobile, AL, MYER Companies is a specialty fabrication shop providing turn-key solutions for industrial partners. They specialize in manufacturing pressure vessels, shell and tube heat exchangers, jacketed vessels, and reactors. Their Section VIII Code Division ensures expert craftsmanship for complex projects.

info@myercompanies.com+12516336937

NOV

nov.com
—

Based in New York, NY, NOV designs and manufactures premium-quality fiber-reinforced polymer (FRP) pressure vessels. These specialized vessels are engineered for demanding offshore applications, providing robust solutions for various industry needs.

helpast@equiniti.com+18009375449

Pacific Tank

pacifictank.net
San Juan Capistrano, CA

Based in San Juan Capistrano, CA, Pacific Tank designs, engineers, fabricates, and constructs steel welded storage tanks. They offer turn-key projects including foundations, painting, coating, piping, and site improvements for the thermal energy, petroleum, and water industries.

sales@pacifictank.net+19492407902

Paget Equipment

pagetequipment.com
Marshfield, WI

Based in Marshfield, WI, Paget Equipment manufactures ASME-certified pressure vessels, API tanks, and other process equipment. Their offerings include reactors, mixing tanks, heat exchangers, and condensers. The company specializes in fabricating with diverse stainless steels, including Duplex, AL6XN, Titanium, Super Duplex, Inconel, and Zirconium.

info@pagetequipment.com+17153843158

Parr Instrument Company

parrinst.com
Moline, IL

Parr Instrument Company, founded in 1899, manufactures and sells chemical reactors, pressure vessels, calorimeters, and related laboratory equipment. Based in Moline, IL, they specialize in quality apparatus, offering standard and custom systems up to 100 liters, backed by experienced technical support for various laboratory applications.

parr@parrinst.com+18008727720

Penn Separator Corp.

pennseparator.com
—

Based in Brookville, PA, Penn Separator Corp. is an ASME Code Sec. VIII Div. 1 welding shop. Since 1956, it has manufactured boiler auxiliaries and pressure vessels. Capabilities include vessels up to 96" diameter and 1500 psig, alongside boiler blowdown, flash separators, blowoff tanks, and heat recovery systems.

sales@pennseparator.com+18148497328

PPV CORP

ppvcorp.com
Perris, CA

Based in Perris, CA, PPV CORP specializes in the design, fabrication, and welding of pressure vessels. The company also offers modular skid assembly, piping spools, and structural fabrication services. Their capabilities comply with ASME BPVC Section VIII Div 1 standards for quality and safety.

sales@ppvcorp.com+19093335775

PROS, Incorporated

proswelltesting.com
Ballard, UT

Based in Ballard, UT, PROS, Incorporated holds ASME 'U' and 'S' certifications for pressure vessel and power boiler manufacturing. The company also maintains a National Board 'R' certification for the repair and alteration of these critical components, serving industrial clients.

jimmy@proswelltesting.com+16615895400

Pure Effect, Inc.

pureeffect.com
Fullerton, CA

Based in Fullerton, CA, Pure Effect, Inc. specializes in custom tank fabrication of pressure vessels for environmental water and air treatment systems. They manufacture vessels from carbon steel and stainless steel, providing equipment for industrial and construction projects.

sales@pureeffect.com+18664217873

RECO

reco-cs.com
Louisville, KY

Based in Louisville, KY, RECO manufactures configured-to-order heat exchangers, clean steam generators, and diverse commercial and industrial tanks. Their product line includes domestic water heaters, buffer tanks, storage tanks, hydro-pneumatic tanks, and thermal energy storage systems.

sales@reco-cs.com+18037943360

Rexarc International Inc.

rexarc.com
West Alexandria, OH

Based in West Alexandria, OH, Rexarc International Inc. specializes in fabricating steel ASME pressure vessels and non-code tanks. Serving industrial clients across upstream, midstream, and downstream sectors, the company also provides gas distribution equipment and acetylene plant solutions, leveraging extensive experience.

info@rexarc.com+19378394604

Roben Mfg. Co., Inc.

robenmfg.com
Lakewood, NJ

Based in Lakewood, NJ, Roben Mfg. Co. Inc. is a custom fabrication manufacturer specializing in high-quality cryogenic pressure vessels. They produce reactors, tanks, columns, and heat exchangers for diverse industrial applications, serving the chemical, fine chemical, and petrochemical sectors with custom and universal solutions.

sales@robenmfg.com+17323646000

Royal Welding & Fabricating

royalwelding.com
Fullerton, CA

Based in Fullerton, CA, Royal Welding & Fabricating specializes in the TSSA-certified manufacture and repair of pressure vessels, adhering to ASME Boiler and Pressure Vessel Code. This company offers complete in-house precision metal and custom fabrication services, leveraging over five decades of experience to deliver reliable industrial products.

info@royalwelding.com+17146806669

R-V Industries, Inc.

rvii.com
—

Based in Honey Brook, PA, R-V Industries, Inc. specializes in the engineering and manufacturing of ASME pressure vessels, reactors, and columns. They serve diverse sectors including chemical, pharmaceutical, food and beverage, oil and gas, life sciences, and nuclear industries.

sales@rvii.com+16102732457

Savannah Tank and Equipment Corporation

savannahtank.com
Savannah, GA

Savannah Tank and Equipment Corporation manufactures tanks, pressure vessels, and process equipment. Based in Savannah, GA, the company provides fabrication capabilities for various industrial applications. They specialize in creating robust solutions for diverse process needs.

sales@savannahtank.com+19122338902

Seamless Tanks

seamlesstanks.com
Fresno, CA

Based in Fresno, CA, Seamless Tanks manufactures high-pressure and reservoir tanks. The company crafts these specialized vessels for diverse industrial applications, primarily serving the automotive and medical sectors. They provide critical tank solutions, designed to meet specialized client needs from their US-based facilities.

info@seamlesstanks.com+15594128551

Santa Rosa Stainless Steel

srss.com
Santa Rosa, CA

Santa Rosa Stainless Steel manufactures custom stainless steel tanks for industrial and commercial applications, including wineries, breweries, distilleries, food processing, chemical, and water storage industries. Based in Santa Rosa, CA, they design and build durable tanks with capacities up to 375,000 gallons, drawing on 50 years of experience.

info@srss.com+17075447777

Stainless Process Systems, Inc.

stainlessprocesssystems.com
Oxnard, CA

Based in Oxnard, CA, Stainless Process Systems, Inc. designs, engineers, and builds precision pressurized and non-pressurized solutions. The company provides welding, repairs, inspection, and testing to ASME and NBIC code standards with "U" and "R" stamps. They serve pharmaceutical, biotech, aerospace, and nutraceutical industries.

tracy.scott@stainlessprocess.net+18054837100

Steelhead Composites

steelheadcomposites.com
—

Steelhead Composites designs, manufactures, and tests high-performance composite pressure vessels and hydrogen storage modules. They specialize in lightweight solutions for safely storing and transporting high-pressure gases. The company offers an inventory of ready-to-ship vessels for various energy and industrial applications.

sales@steelheadcomposites.com+17205243360

Steel-Pro Inc.

steelprousa.com
Rockland, ME

Steel-Pro Inc. is a US-based manufacturer of custom stainless steel tanks and ASME pressure vessels. They provide precision-engineered solutions, including biopharmaceutical equipment, modular skids, and vacuum chambers, for diverse industrial applications. Serving sectors like pharmaceutical, food and beverage, and chemical, Steel-Pro delivers quality custom fabrication.

info@steelprousa.com+12075960061

Tank Systems

tanksystems.com
Montgomery, TX

Based in Montgomery, TX, Tank Systems manufactures polyethylene and fiberglass tanks, including FRP poly pressure vessels. The company provides a diverse range of industrial tanks for applications such as fire water, chemical storage, and various water systems. They serve commercial and industrial clients, utilizing their own manufacturing processes since 1982.

gene@tanksystems.com+12818254000

Tate Metalworks

tatemetalworks.com
Roebuck, SC

Based in Roebuck, SC, Tate Metalworks designs, builds, and erects ASME pressure vessels and API storage tanks. The company specializes in large steel and alloy plate structures, serving multi-national EPC firms, OEM technology providers, and Fortune 100 clients across North America and beyond.

sales@tatemetalworks.com+18645763540

TTP

thermaltransfer.com
Racine, WI

Based in Racine, WI, TTP manufactures engineered heat exchangers for industrial and mobile applications. They provide performance-driven air- and water-cooled solutions, including pre-engineered and custom designs. With over 50 years of experience, TTP offers heat transfer products and quick lead times.

sales@thermaltransfersystems.com+18009539264

Thompson Tank

thompsontank.com
Downey, CA

Based in Downey, CA, Thompson Tank specializes in designing, building, inspecting, servicing, and repairing vacuum tanks, pumps, trucks, and trailers. Established in 1950, this company provides tailored solutions for various industries, handling both nonhazardous and hazardous materials globally. They ensure compliance and efficiency.

info@thompsontank.com+15628697711

TITAN Metal Fabricators

titanmf.com
Camarillo, CA

Based in Camarillo, CA, TITAN Metal Fabricators designs and fabricates corrosion-resistant process equipment, specializing in pressure vessels, heat exchangers, and reactors. They work with reactive metals like Titanium, Tantalum, and Hastelloy, serving industries such as chemical, petrochemical, oil & gas, pharmaceutical, and energy.

info@titanmf.com+18054875050

Triarc Tank

triarctank.com
Dallas, TX

Based in Dallas, TX, Triarc Tank specializes in the design and manufacturing of high-quality ASME- and DOT-compliant steel pressure vessels. The company produces domestic, storage, and transport tanks for various applications, including industrial processes, special gas storage, and energy markets, focusing on safety and performance.

info@triarccorp.com+18885588225

Waterford Tank and Fabrication

waterfordtanks.com
Beverly, OH

Waterford Tank and Fabrication, based in Beverly, OH, manufactures custom pressure vessels, steel tanks, separators, and knockout drums. They specialize in complying with industry codes such as ASME Sec 8 Div I, API-12F, and UL 142. Serving oil, gas, and propane industries, the company provides in-house engineering, design, and fabrication services.

ccaplinger@waterfordtanks.com+18669848265

Wessels Company

westank.com
Cincinnati, OH

Wessels Company, based in Cincinnati, OH, manufactures ASME-certified pressure vessels and custom tanks. They specialize in a wide range of specialty tanks, including thermal expansion, hydro-pneumatic, and storage tanks, serving industrial and commercial clients throughout the United States with quality engineered and fabricated solutions.

wessels@westank.com+13178889800

West Coast Cryogenic Services

westcoastcryo.com
Tracy, CA

Based in Tracy, CA, West Coast Cryogenic Services specializes in custom fabrication for cryogenic applications. They design and manufacture specialized equipment, including components that function as pressure vessels for low-temperature storage and transport of gases. The company also provides equipment refurbishing, conveyors, and control panel solutions.

westcoast@info.com+18006570545

WINBCO Tank Company

winbco.com
Ottumwa, IA

Based in Ottumwa, IA, WINBCO Tank Company manufactures custom tank systems for diverse industries. They specialize in ASME pressure vessels, fermentation, wastewater, and storage tanks. Offering comprehensive manufacturing and engineering services, WINBCO constructs durable tanks designed to withstand elements and support considerable volumes for clients nationwide.

sales@winbco.com+18008221855

AT&V, Inc.

at-v.com
Houston, TX

AT&V, Inc. specializes in tank and vessel fabrication, including advanced designs for cryogenic and refrigerated applications such as LNG/LPG storage. Utilizing state-of-the-art ASME and API certified shop facilities in Mississippi and Houston, TX, they serve chemical, aerospace, and pipeline industries.

green@at-v.com

Attaquant Enterprises Pvt. Ltd.

attaquantepl.com
—

Attaquant Enterprises Pvt. Ltd. provides equipment design, manufacturing, and system integration services. The company specializes in manufacturing heat exchangers, wastewater treatment solutions, distillation plants, evaporation plants, and herbal extraction plants.

marketing@attaquant.in

Niles Steel Tank

nilesst.com
—

Niles Steel Tank manufactures pressure vessels in its U.S. facility, built to the latest ASME codes. The company provides customizable stainless and carbon steel tank solutions for diverse industries. Their tanks feature Ultonium® glass lining for corrosion protection and Microban® antimicrobial technology, designed for demanding commercial operations.

info@nilesst.com

Samuel Pressure Vessel Group

samuelpressurevessel.com
Lebanon, VA

Based in Lebanon, VA, Samuel Pressure Vessel Group specializes in manufacturing standard and custom-engineered pressure vessels. The company produces air receivers, vertical, and horizontal pressure vessels, providing solutions for key industrial markets from its multiple US facilities.

dev@dotsquares.com

VTEC

vesseltechnology.com
Longview, TX

Based in Longview, TX, VTEC specializes in the design and fabrication of ASME pressure vessels. The company serves the refining, petrochemical, and power generation industries, providing custom solutions for various industrial applications. VTEC focuses on manufacturing essential components.

rlee@vesseltechnology.com

Westinghouse

westinghousenuclear.com
—

Based in Cranberry Township, PA, Westinghouse specializes in producing large components for nuclear power plants. The company maintains extensive manufacturing and testing capabilities, supported by advanced technology tools and comprehensive training programs for nuclear engineering professionals.

dataprivacy@westinghouse.com

Alloy Products Corp.

alloyproductscorp.com
Waukesha, WI

Based in Waukesha, WI, Alloy Products Corp. is a manufacturer of ASME stainless steel pressure vessels and other alloy fabrications. Since 1929, the company provides custom and general-purpose vessels for pharmaceutical, hygienic, semiconductor, chemical, and industrial markets, consistently meeting rigorous industry standards.

+18002366603

Altam Manufacturing

altammfg.com
Los Angeles, CA

Based in Los Angeles, CA, Altam Manufacturing designs and fabricates ASME Section VIII, Division 1 compliant pressure vessels, including steam sterilizers and autoclaves. They also offer custom industrial equipment, ocean container modifications, and forklift ramp fabrication. The company provides quick-turn weldments, ASME partial parts, and industrial repair services.

+13106371036

Bendel

bendel.com
Indianapolis, IN

Based in Indianapolis, IN, Bendel custom fabricates high-quality carbon steel pressure vessels and reactors. The company specializes in ASME pressure vessels and process equipment, designed, built, and tested to meet industry standards. They serve chemical, industrial manufacturing, petrochemical, and refining industries.

+18665965112

Buckeye Fabricating

buckeyefabricating.com
Springboro, OH

Based in Springboro, OH, Buckeye Fabricating specializes in manufacturing ASME code-certified custom reactor and pressure vessels. With over 50 years of steel tank fabrication experience, the company has produced over 60,000 ASME vessels, adhering to rigorous code-qualified materials, designs, fabrication, and testing processes.

+18006889821

CECO Environmental

cecoenviro.com
Dallas, TX

Based in Dallas, TX, CECO Environmental offers industrial equipment and solutions for water/wastewater management and emissions control. They provide high-performance vessels, including filter separators, dust collectors, scrubbers, and regenerative thermal oxidizers. The company serves industries such as lithium battery manufacturing, delivering comprehensive services from planning to installation globally.

+12142725300

Central Valley Tank

centralvalleytank.com
Fresno, CA

Central Valley Tank is a custom manufacturer of above ground and underground tanks, fabricated from stainless steel and carbon steel. Adhering to UL, API, ASME, and AWWA specifications, they serve industrial, chemical, petroleum, and food-grade applications, providing durable tanks with corrosion-protective coatings.

+15595560006

Clear Creek Systems

clearcreeksystems.com
Bakersfield, CA

Based in Bakersfield, CA, Clear Creek Systems manufactures durable carbon steel industrial tanks and liquid storage solutions. Specializing in frac, mud, and water tanks, their products feature epoxy-lined interiors. Vessels are hydrotested to 100 PSI, indicating their expertise in pressure vessel fabrication for various industrial applications.

+18773249634

CP Industries

cp-industries.com
—

Based in McKeesport, PA, CP Industries manufactures seamless high-pressure vessels for containing and transporting compressed gases. The company utilizes modern steel technologies and craftsmanship, serving industrial gas, military, alternative fuel, and oil and gas sectors. Vessels meet rigorous standards including DOT, ISO 11120, and ASME.

+13106390011

Croft Production Systems

croftsystems.net
Needville, TX

Based in Needville, TX, Croft Production Systems manufactures natural gas processing equipment. They produce separators, amine plants, dehydration systems, and 18,000-gallon bullet tanks, which are all types of pressure vessels. The company offers new, used, and rebuilt equipment for the oil and gas industry.

+19797932100

Gee Manufacturing

geemanufacturing.com
Fowler, CA

Based in Fowler, CA, Gee Manufacturing specializes in the fabrication of high-quality stainless steel tanks for the wine, dairy, food processing, and chemical industries. The company offers a comprehensive range of manufacturing services including machine shop work, laser cutting, sheet metal fabrication, and custom components like catwalks and stairs.

+15598341715

GSM Industrial

gsmindustrial.com
—

Based in Lancaster, PA, GSM Industrial specializes in pressure vessel fabricating and assembling, adhering to ASME Section VIII of the Boiler and Pressure Vessel Code (BPVC). They offer custom welding, heavy plate fabrication, structural steel, and comprehensive industrial mechanical services, including field installation, service, and repairs.

+17172078985

Doucette Industries

heatexchangermanufacturers.com
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Doucette Industries manufactures a range of heat exchangers, including suction line, shell and tube, marine, and plate heat exchangers. The company also produces tube-in-tube configurations, serving various industrial and marine applications.

+17045683001

Isotherm Inc.

iso-therm.com
Arlington, TX

Based in Arlington, TX, Isotherm Inc. is a custom manufacturer of specialized heat exchangers, pressure vessels, and packaged systems. The company provides tailored solutions for various industries, delivering high-quality, engineered products to meet complex thermal and pressure application needs.

+18174729922

Nor-Cal Products, Inc dba Pfeiffer Vacuum Valves & Engineering

n-c.com
Yreka, CA

Based in Yreka, CA, Nor-Cal Products, Inc dba Pfeiffer Vacuum Valves & Engineering manufactures highly-configured custom vacuum chambers and components. They provide precision high and ultra-high vacuum system components and fabrication services. Clients include national laboratories, universities, and industrial vacuum applications.

+18008244166

Quality Stainless Tanks

qualitystainless.com
Ukiah, CA

Based in Ukiah, CA, Quality Stainless Tanks specializes in manufacturing custom and stock stainless steel tanks. They serve the wine, beer, and spirits industries, offering products like open top fermenters, enclosed combination fermentation and storage tanks, variable capacity tanks, and mixing tanks. All tanks are handcrafted in their Northern California facility.

+17078372721

Southern Tank

southerntank.net
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Southern Tank manufactures custom carbon and stainless steel storage tanks for industrial liquid storage applications, including fuel, water, and chemicals. They adhere to standards like UL 142, UL 2085, and API-650, serving chemical facilities, government, military, and energy sectors nationwide with robust solutions.

+18779763113

Springs Fabrication

springsfab.com
Colorado Springs, CO

Based in Colorado Springs, CO, Springs Fabrication is an ASME Pressure Vessel manufacturer. The company specializes in providing high-quality design, engineering, and fabrication services for custom manufactured products. They build solutions for diverse industrial needs, leveraging their certified and skilled workforce.

+17195968830

SFI

stainlessfab.com
Springfield, MO

Based in Springfield, MO, SFI designs and builds custom stainless steel pressure vessels and reactors to ASME Code. They also fabricate mix tanks, storage tanks, and spray dryer chambers. The company provides both in-shop and on-site fabrication for tanks up to 35,000 gallons.

+18003978265

Stainless Steel Tanks

stainlesssteeltanks.net
Big Lake, MN

Based in Big Lake, MN, Stainless Steel Tanks manufactures high-quality storage tanks and fuel systems. Their stainless steel tanks range in size from 250 to 50,000 gallons, are light in weight, and fully factory-produced. They provide robust solutions for various industrial storage applications.

+16305191072

Steel Tanks Manufacturing

steeltanksmfg.com
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Steel Tanks Manufacturing specializes in custom tank fabrication, including stainless steel and UL-142 tanks for flammable liquids. Complying with API, AWWA, and NFPA standards, they offer engineering, project management, and installation services. Based in the Western United States, the company leverages over 30 years of industry experience.

+15598037082

TransTech Energy

transtechenergy.com
Austin, TX

Based in Austin, TX, TransTech Energy specializes in the custom design, engineering, and fabrication of ASME pressure vessels. Operating state-of-the-art facilities in New Braunfels and McGregor, Texas, the company provides high-quality custom steel fabrication services for diverse industrial applications.

+18882064563

TransTech Fabrication

transtechfabrication.com
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TransTech Fabrication specializes in custom design and fabrication of pressure vessels, including chemical reactors, ASME storage tanks, and NGL/LPG/LNG solutions. They provide engineering, R-stamp repair, and maintenance for skid systems, vaporizers, and process pipe modules, serving midstream energy and industrial gas sectors.

+18882064563

FIBA Technologies, Inc.

fibatech.com
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Based in Littleton, MA, FIBA Technologies, Inc. is a vertically integrated manufacturer and servicer of pressure vessels. The company specializes in producing DOT tubes and ASME pressure vessels, offering comprehensive solutions for industrial clients, from fabrication to maintenance.

No contact on file

Hanson Tank

hansontank.com
Fort Madison, IA

Hanson Tank is a US manufacturer specializing in carbon and stainless steel pressure vessels. They custom design and fabricate vessels built to the ASME Boiler and Pressure Vessel Code, serving a wide range of industrial applications. Their capabilities ensure high-quality, code-compliant solutions for diverse client requirements.

No contact on file

Modern Welding Company, Inc.

modweldco.com
Elizabethtown, KY

Modern Welding Company, Inc. manufactures ASME pressure vessels and LPG tanks for high-pressure gas and liquid storage. Serving chemical, petroleum, and various industrial applications, they produce custom vessels delivered to code specifications for safety. The company also fabricates underground and aboveground steel tanks from its eleven US subsidiaries.

No contact on file

Pressure Vessel Technologies

tank-dealers.cmac.ws
Paramount, CA

Based in Paramount, CA, Pressure Vessel Technologies specializes in the design and manufacturing of custom pressure vessels. The company produces solutions for a wide range of industrial applications, serving diverse sectors with engineered vessel systems and components.

No contact on file

GNB KL Group

vacuumchamber.com
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GNB KL Group is a manufacturer specializing in ultra-high vacuum chambers and top-quality vacuum hardware. The company offers precision-engineered solutions designed for cutting-edge scientific and industrial applications. Their capabilities include producing specialized vacuum pressure vessels built to withstand extreme internal and external conditions.

No contact on file

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How to Choose a Company

  • Verify the manufacturer holds the specific ASME code stamps required for your application (e.g., U-Stamp for new unfired pressure vessels, R-Stamp for repairs/alterations). For international projects, confirm their experience with PED for Europe or CRN registration for Canada, as these involve distinct compliance pathways.
  • Assess their in-house material expertise, especially for exotic alloys like Hastelloy, Inconel, or titanium. Many fabricators work primarily with stainless or carbon steel; ensure their welding procedures, post-weld heat treatment (PWHT) capabilities, and quality control systems are proven for your specified corrosive service or high-temperature material.
  • Evaluate their capacity for Non-Destructive Examination (NDE) and quality control. Confirm they perform required methods such as radiography (RT), ultrasonic testing (UT), magnetic particle testing (MT), liquid penetrant testing (PT), and hydrostatic testing in-house or with certified, long-standing partners to ensure weld integrity and overall vessel soundness.
  • Confirm their maximum fabrication envelope (dimensions, weight, shop crane capacity, door clearances) and ability to manage transportation for large vessels. Some manufacturers specialize in shop-built, smaller vessels, while others excel at field-erected structures, which significantly impacts logistics and cost.
  • Never underestimate the lead time for detailed engineering drawings, material procurement (especially for long-lead exotic alloys), and the multiple inspection hold points required by ASME and National Board inspectors. A common first-time buyer mistake is assuming fabrication starts immediately; factor in several weeks or months before the first plate is cut.

Frequently Asked Questions

What is the primary difference between an ASME U-Stamp and R-Stamp certification, and why does it matter?

The ASME U-Stamp signifies that a manufacturer is authorized to construct new pressure vessels in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or 2. An R-Stamp, issued by the National Board of Boiler and Pressure Vessel Inspectors, authorizes a company to perform metallic repairs and alterations to existing pressure vessels. It matters because using an R-Stamp holder for new construction, or a U-Stamp holder for major repairs without proper R-Stamp authorization, constitutes a code violation and can compromise safety and insurability.

How critical is Post-Weld Heat Treatment (PWHT) for pressure vessels, and when is it typically required?

PWHT is critical for relieving residual stresses introduced during the welding process, which can lead to cracking or reduced fatigue life, particularly in thicker sections or certain alloy steels. It's typically required by the ASME Code for specific materials (e.g., carbon steel over a certain thickness, low alloy steels), for vessels in certain severe services (e.g., hydrogen service, caustic service), or when operating below specific minimum design metal temperatures. Failing to perform necessary PWHT can lead to brittle fracture and catastrophic failure.

Beyond the ASME Code, what other regulatory approvals might my pressure vessel require for specific regions or industries?

Depending on the installation location and application, additional approvals are often necessary. For vessels destined for Europe, compliance with the Pressure Equipment Directive (PED) and CE marking is mandatory. For Canada, a Canadian Registration Number (CRN) is required, involving provincial approval of design and fabrication. Industry-specific standards like API (American Petroleum Institute) for oil and gas, or TEMA (Tubular Exchanger Manufacturers Association) for shell-and-tube heat exchangers, also impose additional design and construction requirements.

Why is specifying the correct corrosion allowance often overlooked by buyers, and what are the risks?

Corrosion allowance, the extra thickness added to the vessel wall to account for material loss over its operational life, is frequently underestimated or entirely omitted by first-time buyers who focus solely on immediate structural needs. The risk of under-specifying is premature vessel failure due to wall thinning, leading to costly unscheduled shutdowns, safety hazards from leaks or ruptures, and non-compliance with design life expectations. A thorough understanding of the process fluid's corrosive properties and anticipated service life is essential to define this critical parameter accurately.

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