Clamshell Packaging Companies

Last updated: January 2026

This directory lists 91 clamshell packaging companies across the United States, from custom thermoforming specialists offering unique design-for-manufacturability (DFM) services to high-volume manufacturers capable of millions of units annually.

Buyers are typically solving critical problems related to product protection, retail presentation, and supply chain efficiency. This includes ensuring precise fit and secure closure using integrated living hinges or snap features, selecting appropriate material gauges to prevent crushing or tearing, and optimizing designs for automated packaging lines to reduce per-unit labor costs. Suppliers also assist in material selection, weighing the benefits of virgin PET for clarity against RPET for sustainability, or considering PVC where specific rigidity or chemical resistance is paramount.

Supplier types in this space broadly fall into custom thermoformers, who excel at bringing new designs to life with custom tooling and material expertise; stock clamshell distributors, who offer off-the-shelf solutions for lower volumes or generic product types; and full-service contract packagers, who may have in-house thermoforming capabilities alongside assembly, filling, and final pack-out services. The choice often hinges on whether a custom fit is essential, if immediate availability of standard sizes suffices, or if a fully integrated packaging solution is preferred.

Before engaging suppliers, buyers should be prepared with detailed product dimensions and 3D CAD files if available, target MOQs, specific material requirements (e.g., food-grade, medical-grade, recycled content), and any desired retail features such as display hang tabs or anti-theft designs. Suppliers will expect clear communication on functional requirements, aesthetic goals, and target unit costs to provide accurate quotes for both the initial tooling and recurring production runs.

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Company Directory

91 companies nationwide

Algus Packaging

algus.com
Dekalb, IL

Based in Dekalb, IL, Algus Packaging is a manufacturer of custom thermoformed packaging, specializing in clamshells and blisters. They design and produce packaging solutions from concept to completion, ensuring precise product fit, appearance, and functionality. Algus also manufactures packaging sealing machines and heat seal tooling.

algus@algus.com+18152815297

Amerisource Companies, LP

amerisourcecustompackaging.com
Carrollton, TX

Based in Carrollton, TX, Amerisource Companies, LP manufactures custom clamshell and blister packaging. Their 100,000 sq ft facility produces various boxes from PVC, PET, PP, and cardboard, utilizing advanced printing, finishing, and post-production services. They serve commercial clients across Texas, Oklahoma, Arkansas, and Louisiana.

info@amerisourcecustompackaging.com+18888310082

Andex

andex.net
Escanaba, MI

Based in Escanaba, MI, Andex is a full-service manufacturer of custom thermoformed packaging. With over 60 years of experience, they produce clamshells, blister packaging, and vacuum formed trays. Andex also offers G7 Certified printing for cards and components, ensuring consistent brand color.

sales@andex.net+18003389882

Assemblies Unlimited, Inc.

assemblies.com
Bloomingdale, IL

Based in Bloomingdale, IL, Assemblies Unlimited, Inc. is a turnkey contract packaging company offering comprehensive primary and secondary packaging solutions. They cater to both food and non-food applications, providing quick turnaround times across multiple plant locations. The company focuses on customized packaging solutions for diverse products.

sales@assemblies.com+18775535715

Bayview Plastic Solutions, Inc.

bayviewplasticsolutions.com
Fremont, CA

Bayview Plastic Solutions, Inc. located in Fremont, CA, is a custom plastic fabrication and manufacturing job shop. They offer in-house mold making and vacuum forming services for custom plastic products. The company provides prototyping and production of clamshell packaging for B2B clients.

info@bayviewplasticsolutions.com+15103600001

ChadPak Co, Inc.

chadpak.com
Van Nuys, CA

Based in Van Nuys, CA, ChadPak Co, Inc. specializes in visual display packaging solutions. With over 30 years of experience, the company provides skin and blister packaging, alongside printed folding cartons and custom corrugated boxes, catering to various product presentation needs.

info@chadpak.com+18187872423

Clamshell Packaging

clamshell-packaging.com
Portland, OR

Clamshell Packaging specializes in stock, semi-custom, and custom clamshell packaging, offering over 200 sizes with same-day shipment and low minimums. They also provide plastic trays, blister packs, and other thermoformed containers. The company operates manufacturing facilities in St. Louis, Missouri, and Portland, Oregon.

customerservice@visipak.com+18009491141

Clamtainer Packaging

clamtainerpackaging.com
Brocton, NY

Clamtainer Packaging, a division of Jamestown Plastics, manufactures custom clamshell packaging solutions. They offer child-resistant, sturdy, and protective designs with fully transparent or colorful and opaque options. Their packaging also provides reusability for household storage and organizing.

sales@clamtainer.com+17167924144

Panic Plastics, Inc.

panicplastics.com
Payette, ID

Based in Payette, ID, Panic Plastics, Inc. offers comprehensive clamshell packaging solutions, including stock and custom options ready for immediate shipping. With 35 years of thermoforming experience, they specialize in high-quality plastic packaging, blister packaging, and thermoformed trays. Services also include design, tooling, and sealing equipment.

sales@panicplastics.com+12087399142

Crystal Vision Packaging

crystalvisionpkg.com
Torrance, CA

Based in Torrance, CA, Crystal Vision Packaging manufactures both stock and custom clear PVC or PET clamshell re-closable boxes. The company operates factories to produce a variety of transparent clamshell packaging solutions for commercial clients.

sales@crystalvisionpkg.com+18003313240

Dart Container Corporation

dartcontainer.com
Mason, MI

Dart Container Corporation manufactures a comprehensive line of foodservice packaging solutions, including plastic, foam, and paper products. They specialize in high-quality containers, such as their ClearPac SafeSeal line, which provides tamper-evident clamshell and hinged-lid packaging designed for enhanced food safety and freshness across various industries.

marketing@dart.biz+18006763822

Dodo Packaging

dodopackaging.com
Queens, NY

Dodo Packaging, based in Queens, NY, provides custom clamshell packaging and other printed boxes. They offer custom design services and high-quality offset printing through an online solution. The company delivers vibrant packaging for businesses, with competitive pricing, no die or plate charges, and quick turnaround.

sales@dodopackaging.com+15033816437

Dordan

dordan.com
Woodstock, IL

Dordan is a U.S.-based manufacturer specializing in custom thermoformed plastic clamshells for retail and consumer packaging. With operations dating back to 1962, the company offers in-house design and is ISO certified, providing comprehensive thermoformed packaging solutions from its facilities.

sales@dordan.com+18153340087

Easypak

easypak.com
Kalamazoo, MI

Easypak manufactures stock and custom-designed plastic thermoformed packaging products. The company specializes in various thermoforming techniques, providing durable and visually appealing packaging solutions. Their offerings include custom clamshells, blisters, and trays, tailored to meet diverse client specifications and industry needs.

info@easypak.com+18552977744

Eatery Essentials

eateryessentials.com
Dallas, TX

Based in Dallas, TX, Eatery Essentials specializes in the manufacturing of rPET disposable and recyclable food packaging. The company provides sustainable packaging solutions for various foodservice needs, focusing on environmentally friendly materials and processes.

sales@eateryessentials.com+14694829066

ClearPack Engineering, Inc.

eclamshell.com
—

ClearPack Engineering, Inc. specializes in manufacturing high-quality, bottom-hinged, thermoformed clamshell packaging using 20 mil RPET. The company offers over 270 designs, providing both standard and custom snap-close clamshells. They deliver durable, superior packaging solutions for a wide range of commercial and industrial products.

customerservice@eclamshell.com+18009777878

Eco-Products, PBC

ecoproducts.com
Boulder, CO

Based in Boulder, CO, Eco-Products, PBC specializes in sustainable clamshell takeout containers. They offer BPI-certified compostable and recycled options made from fiber, clear PLA for cold foods, and paper. The company focuses on renewable, reusable, and post-consumer recycled materials, providing zero waste expertise.

casey.funke@ecoproducts.com+18886797845

EnviroPackaging

enviropackaging.com
Brea, CA

Based in Brea, CA, EnviroPackaging specializes in clear PET plastic clamshell boxes for secure, visible food storage. These recyclable packaging solutions are ideal for bakery items, salads, and fresh produce. The company caters to businesses seeking durable and environmentally conscious food packaging options.

support@enviropackaging.com+18334396753

FDS Manufacturing Company

fdsmfg.com
Pomona, CA

FDS Manufacturing Company, based in Pomona, CA, directly manufactures a diverse line of PET clamshell packaging. They produce items from 4.4 oz. to 4 lb. available in standard and Euro sizes, utilizing 100% recyclable materials. Their offerings include rectangular, standard flat lid, and grape clamshells.

orders@fdsmfg.com+19095911733

Fin Packaging

finpackaging.com
Lancaster, CA

Based in Lancaster, CA, Fin Packaging specializes in custom clamshell boxes designed with an easy and attractive one-piece structure. These packaging solutions are ideal for efficiently enclosing a wide variety of retail products, offering a fuss-free and professional presentation for merchandise.

sales@finpackaging.com+16615793395

Foam Pak US

foampakus.com
Houston, TX

Based in Houston, TX, Foam Pak US manufactures foam, MFPP, and plastic hinged lid food takeout containers. They offer a variety of sizes and designs, maintaining quality and safety standards through in-house production. The company provides factory pricing and truckload shipping nationwide for commercial customers.

info@foampakus.com+12815659618

Green Paper Products

greenpaperproducts.com
Highland Heights, OH

Green Paper Products provides sustainable, compostable, and recyclable disposable products, including plant-based clamshell containers. Made in the USA and ASTM compliant, they serve businesses and homes with eco-friendly solutions. The company offers custom printing to help clients achieve their sustainability goals effectively.

info@greenpaperproducts.com+18773415464

Highland Packaging Solutions

highcor.com
Plant City, FL

Highland Packaging Solutions manufactures diverse produce containers and packaging solutions for berries, tomatoes, eggs, and table grapes. Operating under the Highland brand, the company provides cost-effective, premium packaging with in-house design, printing, and labeling capabilities, serving the agricultural and food industries from its US-based facilities.

info@highcor.com+18883955000

Hill Plastics Inc.

hillplastics.com
Lewisville, TX

Based in Lewisville, TX, Hill Plastics Inc. specializes in custom plastic thermoforming, vacuum forming, and fabrication. They offer comprehensive packaging solutions, including mold making and product design assistance. Serving customers since 1977, the company delivers precision parts and cost-effective production for projects, managing the entire process from design to fulfillment.

sales@hillplastics.com+19724369717

Indepak, Inc.

indepak.com
Portland, OR

Based in Portland, OR, Indepak, Inc. specializes in custom clamshell packaging, utilizing precision thermoforming to produce diverse sizes and shapes. Services include design, prototyping, and tooling. Indepak serves commercial clients across the USA, Canada, and Mexico with tailored packaging solutions.

customerservice2@indepak.com+18005266273

Industrial Packaging

industrialpackaging.com
—

Based in Webster, MA, Industrial Packaging offers outsourced secondary contract packaging for foods and consumer packaged goods. Providing turn-key packaging solutions, they are capable of producing custom thermoform clamshells to support client supply chains. The company also supplies flexible packaging materials and machinery.

info@industrialpackaging.com+18002335288

Inno-Pak

innopak.com
—

Based in Delaware, OH, Inno-Pak is a domestic manufacturer of innovative packaging solutions. They provide custom structural and printing capabilities for various containers, including hinged designs suitable for food delivery, takeout, and leftovers. Inno-Pak emphasizes American-made products and robust manufacturing to support business growth.

info@innopak.com+18004666725

Innovative Plastics Corporation

innovative-plastics.com
Orangeburg, NY

Innovative Plastics Corporation specializes in plastics thermoforming, offering custom blisters, clamshells, and shipping trays. With over 70 years of experience, the company provides packaging solutions for consumer electronics, cosmetics, medical, food, and industrial sectors from its Orangeburg, NY facility.

sales@innovative-plastics.com+18453597500

Insul-Fab

insulfab.net
Coppell, TX

Based in Coppell, TX, Insul-Fab specializes in custom thermoformed plastics and insulation products for various OEM applications, including packaging. With over 30 years of experience, the company offers fabrication services such as die-cutting, water jet, laser cutting, and CNC machining for plastic components.

support@modxcloud.com+18004421338

Jamestown Plastics Medical

jamestownplasticsmedical.com
Brocton, NY

Based in Brocton, NY, Jamestown Plastics Medical provides custom healthcare packaging solutions. The company designs clamshells, unit-dose blisters, and child-resistant packs using advanced medical-grade materials. They employ specialized medical thermoforming and cleanroom manufacturing, delivering reliable products for healthcare facilities.

sales@jamestownplastics.com+17167924144

Janco Medical

janco-medical.com
Rollinsford, NH

Based in Rollinsford, NH, Janco Medical is a U.S.-based contract manufacturer specializing in thermoformed plastic blisters and custom medical packaging. They provide foam fabrication and plastic thermoforming services in Class 7 & 8 ISO Certified Cleanrooms, serving both medical and industrial sectors.

solutions@janco-inc.com+16037421581

Kiva Container

kivacontainer.com
Anaheim, CA

Based in Anaheim, CA, Kiva Container specializes in custom plastic packaging solutions. They expertly utilize thermoforming and vacuum forming to produce light gauge trays, blisters, and clamshells. Additionally, they offer heavy-duty totes and corrugated plastic fabrication. This woman-owned company has served diverse industries since 1986.

info@kivacc.com+17146303850

KPAK

kpak.com
Dallas, TX

Based in Dallas, Texas, KPAK specializes in comprehensive packaging solutions, offering expert blister and clamshell filling and sealing services. With over 35 years of experience, the company provides custom contract packaging, assembly, and fulfillment for various products, serving industrial and commercial B2B clients.

kpak@kpak.com+18003215725

Merrill's Packaging

merrills.com
Burlingame, CA

Based in Burlingame, CA, Merrill's Packaging provides custom thermoformed packaging solutions, managing projects from concept to high-volume production. With over 60 years of experience, their engineering team develops new designs or reverse-engineers existing ones, focusing on quality and cost-efficiency for diverse industries, including medical packaging.

info@merrills.com+18002845910

MrTakeOutBags

mrtakeoutbags.com
—

MrTakeOutBags, based in Millvale, PA, provides a wide variety of clear tamper-resistant and tamper-evident plastic clamshell containers at wholesale prices. The company specializes in packaging solutions suitable for food service and retail applications, ensuring secure and visible product presentation for commercial customers.

sales@mrtakeoutbags.com+18883212248

Munot Plastics Inc.

munotplastics.com
—

Based in Erie, PA, Munot Plastics Inc. is a custom thermoformer specializing in plastic blisters, clamshells, and trays. With operations since 1963, they provide comprehensive packaging design services and production, serving various industries with custom thermoformed packaging solutions.

munot@munotplastics.com+18148387721

Pack This Meal

packthismeal.com
Houston, TX

Based in Houston, TX, Pack This Meal provides eco-friendly clamshell containers. The company specializes in sustainable meal packaging solutions, operating a dedicated TX warehouse. They supply practical and environmentally conscious food container options, likely serving restaurants and food businesses within the culinary industry.

info@packthismeal.com+18667866114

Paper Plus Packaging

paperpluspackaging.com
—

Paper Plus Packaging supplies polypropylene clamshells, valued for their strong, heat-resistant, and recyclable properties. These clamshells are utilized in retail for displaying and storing various products. The company offers convenient services including same-day pickup and free local delivery for qualifying orders.

info@ppluspackaging.com+17032221272

Product Design Development, Inc.

pddplasticforming.com
Huntington Beach, CA

Based in Huntington Beach, CA, Product Design Development, Inc. specializes in custom plastics vacuum forming and thermoformed products. They provide design, fabrication, and assembly services, including deep draw forming and die cutting, from prototype to production. Serving diverse sectors like aerospace, automotive, and packaging, they create high-quality plastic formed parts.

steven@pddplasticforming.com+17148986895

PINNPACK PACKAGING

pinnpack.com
Oxnard, CA

Based in Oxnard, CA, PINNPACK PACKAGING is a vertically integrated plastic thermoforming company. They specialize in manufacturing recyclable food packaging, offering direct production capabilities for various plastic containers. The company focuses on sustainable, high-quality packaging solutions for commercial food industry clients.

info@pinnpack.com+18053854100

Placon

placon.com
—

Placon is a North American supplier of clamshell packaging, providing over 140 in-stock retail options. The company emphasizes sustainability with EcoStar® post-consumer recycled material containing 75% or more recycled content. Their team offers innovative design, unique tooling, and tamper-evident mechanisms for diverse packaging solutions.

info@placon.com+18005411535

Polymershapes

polymershapesfab.com
Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Polymershapes offers high-quality thermoforming services. The company provides custom plastic fabrication solutions for various industries, delivering competitive pricing and quick turnaround times. Their thermoforming expertise is well-suited for producing custom packaging components, including clamshells, for businesses.

plasticfab@polymershapes.com+15622427998

Prent Corporation

prent.com
Janesville, WI

Based in Janesville, WI, Prent Corporation specializes in thermoform packaging for B2B clients. The company designs and manufactures custom thermoformed packaging, including trays, for diverse industries such as medical devices and electronics. They utilize advanced thermoforming techniques to create protective and functional packaging solutions.

sales@prent.com+16087540276

Primary Packaging Inc

primarypackaging.com
Bolivar, OH

Based in Bolivar, OH, Primary Packaging Inc. is a custom plastic packaging manufacturer. They specialize in thermoformed clamshells, blisters, and other plastic containers, offering solutions for product protection and display. Serving industrial and commercial clients, the company provides comprehensive packaging services from design through production.

ashish@socialeyes.co+18007742247

Rapid Accu-Form, Inc.

rapidaccuform.com
Benicia, CA

Based in Benicia, CA, Rapid Accu-Form, Inc. specializes in thermoforming, pressure forming, and vacuum forming plastics since 1975. They offer in-house tooling and CNC mold-making for diverse sectors like medical, automotive, aerospace, and consumer electronics, including packaging insets and displays.

sales@rapidaccuform.com+17077451879

RapidMade

rapidmade.com
Portland, OR

Based in Portland, OR, RapidMade specializes in custom thermoformed parts, trays, and durable products for B2B applications. They serve diverse sectors such as robotics, aerospace, automotive, and heavy industry. RapidMade provides expert engineering and rapid tooling to deliver efficient, high-quality manufacturing solutions.

info@rapidmade.com+15039432781

Rohrer Corporation

rohrer.com
Wadsworth, OH

Rohrer Corporation is a US-based packaging manufacturer specializing in thermoformed and blister packaging solutions. They offer comprehensive services including design, engineering, printing, and tooling. The company provides sustainable material options for various sectors, such as cosmetic packaging, and operates nine regional manufacturing facilities across the United States.

info@rohrer.com+18002436640

Sustainable Packaging Industries

s-packaging.com
Ojai, CA

Based in Ojai, CA, Sustainable Packaging Industries (SPI) manufactures eco-friendly molded pulp clamshell packaging. Their GreenKraft Clamshell Boxes are made from 100% recycled and recyclable cardboard. SPI offers versatile, sustainable packaging solutions, including custom sizes, shapes, and printing, for brands, businesses, and creative professionals.

sales@s-packaging.com+18056339177

Sabert Corporation

sabert.com
Sayreville, NJ

Based in Sayreville, NJ, Sabert Corporation manufactures innovative food packaging products and solutions. The company serves the food service industry, offering packaging inspired by current food trends. They provide a range of packaging options, including their Kraft Collection, designed for B2B customers in the US.

info@sabert.com+18007223781

Sambrailo Packaging

sambrailo.com
Watsonville, CA

Based in Watsonville, CA, Sambrailo Packaging provides innovative clamshells and baskets for the produce and agricultural industry. They offer high-quality packaging, including sustainable options made from 100% Post Consumer Recycled PET. Serving growers, shippers, and retailers for over 100 years, their solutions are customizable.

sales@sambrailo.com+18317247581

Monte Package Company LLC

shop.montepkg.com
Boynton Beach, FL

Monte Package Company LLC, based in Boynton Beach, FL, has been a packaging provider since 1997. The company offers various packaging solutions, including those suitable for produce, aligning with the benefits of clamshell designs for growers and consumers.

sales@montepkg.com+18006532807

Sonoco Products Co

sonoco.com
Hartsville, SC

Based in Hartsville, SC, Sonoco Products Co provides integrated packaging solutions for consumer and industrial markets. Specializing in innovative and sustainable packaging, they aim to enhance product quality and brand experiences. As a global provider since 1899, Sonoco invests in advanced materials and processes across diverse industries.

roger.schrum@sonoco.com+18003772692

South Atlantic Packaging

southatlanticpackaging.com
Indianapolis, IN

Based in Indianapolis, IN, South Atlantic Packaging specializes in contract packaging services, including custom blister and clamshell packaging. They provide comprehensive co-packing solutions, display assembly, shrink wrapping, cartoning, kit assembly, and fulfillment for various industries such as retail, medical, electronics, and automotive clients.

pat@southatlanticpackaging.com+13367743122

World Centric

store.worldcentric.com
Cotati, CA

Based in Cotati, CA, World Centric provides eco-friendly, compostable packaging solutions for grocery stores, delis, and restaurants. Their durable containers, suitable for takeout, are freezer safe and resistant to grease and moisture, meeting ASTM standards for environmental impact.

oliver@worldcentric.org+17072419190

Sustainable Produce Container

sustainableproducecontainer.com
Verona, KY

Based in Verona, KY, Sustainable Produce Container manufactures compostable, biodegradable, and recyclable paperboard clamshells and trays. These sustainable vented containers offer an eco-friendly alternative to plastic packaging for fresh produce, including mushrooms, fruits, and vegetables. Developed by a farmer, they serve growers and grocers.

linda@sunsugarfarms.com+18888837259

Taylor Packaging

taylorpackaging.com
Imperial, MO

Based in Imperial, MO, Taylor Packaging designs and manufactures custom plastic clamshell packaging, blister packaging, and plastic trays. They offer thermoformed products and comprehensive packaging services, including fulfillment and assembly. The company serves B2B industries such as lawn & garden, outdoor, pet care, and tool sectors.

contact@taylorpackaging.com+16364640003

The Lotus Group

thelotusgroup.us
Honolulu, HI

Based in Honolulu, HI, The Lotus Group provides sustainable and commercially compostable clamshell packaging solutions. Their BPI-certified products are made from plant-based PLA material, ideal for various food applications such as salads, baked goods, and prepared meals, offering an eco-friendly choice for businesses.

support@thelotusgroup.us+12058610240

Tru-Form Plastics

tru-formplastics.com
Westminster, CA

Tru-Form Plastics, based in Westminster, CA, is a custom thermoforming manufacturer. They specialize in producing thin and heavy gauge plastic packaging and transfer trays. Offering services from prototyping and in-house tooling to forming, trimming, and assembly, they serve the medical, aerospace, defense, automotive, and electronics industries.

info@tru-formplastics.com+17148945566

Teamwork Packaging

twpackagingsolutions.com
San Bernardino, CA

Based in San Bernardino, CA, Teamwork Packaging specializes in contract and turnkey packaging solutions. They provide innovative, custom clamshell packaging tailored to industry needs. Their services include precise filling for thin and thick liquids into bottles, jars, tubes, and pouches, offering streamlined solutions with exceptional customer support.

info@twpackaging.com+19094789910

Universal Protective Packaging, Inc

uppi.com
—

Universal Protective Packaging, Inc. specializes in custom thermoformed protective packaging, utilizing materials like polypropylene, HDPE, and PLA plastics. They provide innovative, custom-designed solutions for medical, retail, electronics, industrial, and food sectors, offering package design, 3D printing, and rapid prototyping from concept to full production.

sales@uppi.com+18005446649

Visipak

visipak.com
Arnold, MO

Based in Arnold, MO, Visipak manufactures clear plastic packaging solutions, offering custom and stock clamshell containers, packaging tubes, closures, and caps. The company utilizes extrusion, thermoforming, and injection molding processes to provide transparent packaging for various industries, focusing on quality and efficient production.

customerservice@visipak.com+18009491141

We Print Boxes

weprintboxes.com
Shelburne, VT

Based in Shelburne, VT, We Print Boxes specializes in custom clamshell packaging. They produce high-quality clear PVC boxes, ideal for securing products in various industries such as food, medical, and snacks. The company offers tailored clamshell solutions for businesses across the USA.

sales@weprintboxes.com+18005588047

WOW Plastics

wowplastics.com
Baytown, TX

Based in Baytown, TX, WOW Plastics provides a range of clear plastic food and cake containers. The company specializes in hinged lid deli containers featuring tight closures for safe food transport. They offer various container sizes and styles, all made from 100% recyclable PET.

customerservice@wowplastics.com+12812389977

Your Green 2 Go

yourgreen2go.com
Spring, TX

Based in Spring, TX, Your Green 2 Go specializes in sustainable food packaging solutions. They offer clamshells and to-go containers made from 100% natural, unbleached plant material, which are recyclable and compostable. The company also provides zero-plastic Naked Cups and supports catering deliveries.

info@yourgreen2go.com+18325102434

Agile Medical Packaging and Devices

agilempd.com
Plano, TX

Based in Plano, TX, Agile Medical Packaging and Devices specializes in streamlined medical packaging solutions for terminal sterilization. The company provides integrated, turnkey services from design to delivery, ensuring efficiency and compliance. Agile is ISO 13485 certified, adheres to ISO 11607 standards, and operates an ISO 6 cleanroom for precision-engineered medical packaging.

slang@agilempd.com

Associated Thermoforming Inc.

ati-forms.com
Plainfield, NJ

Associated Thermoforming Inc. provides custom thermoforming solutions for various industries including medical, consumer, and automotive. They manufacture a range of thermoformed products, such as clamshell packaging, blister packs, and custom trays, alongside display products and component parts from their Plainfield, NJ facility.

secruxurity@sizetedistrict.cvmwom

Blue Ridge Thermoforming

brtusa.com
Greenville, SC

Based in Greenville, SC, Blue Ridge Thermoforming specializes in custom vacuum forming, producing thin and heavy gauge plastic packaging. They provide blister and clamshell packaging for food, retail, and medical sectors, and durable heavy gauge solutions for industrial, automotive, and returnable transit applications. The company is ISO 9001:2015 certified.

sales@brtusa.com

Greenprint Products

greenprintproducts.com
Norcross, GA

Greenprint Products manufactures sustainable food packaging solutions from materials like upcycled agave fibers, sugarcane, and post-consumer recycled content. They produce sturdy, tree-free, and BPI-certified compostable containers for various hot or cold meals, appetizers, and snacks. The company emphasizes PFAS-free and eco-conscious alternatives for takeout boxes.

sales@greenprintproducts.com

Huhtamaki

huhtamaki.com
—

Huhtamaki provides sustainable fiber-based packaging solutions, including Chinet Classic® molded fiber hinged clamshells for foodservice. These compostable clamshells offer an alternative to foam packaging, aligning with their mission to protect food, people, and the planet. Products are proudly manufactured in the USA.

media@huhtamaki.com

Limcy Packaging

limcypackaging.com
—

Limcy Packaging is a custom blister packaging manufacturer and wholesaler, specializing in a variety of solutions including face seal, trapped, mock, double, and clamshell blister packaging. Based in New York, NY, the company also provides a comprehensive range of custom packaging products such as corrugated boxes, paper boxes, sleeves, and stickers.

sales@limcypackaging.com

Plastic Container City

plasticcontainercity.com
—

Plastic Container City directly supplies hinged containers, often referred to as clamshell packaging. Their products are made from premium, crack-resistant PET plastic, ensuring durability, high clarity, and an airtight seal. These containers are 100% recyclable and BPA-free, suitable for various packaging needs.

sales@plasticcontainercity.com

Allied Plastics LLC

alliedplastics.com
Twin Lakes, WI

Based in Twin Lakes, WI, Allied Plastics LLC is a custom plastic thermoformer specializing in medium to heavy gauge parts. They provide single sheet, twin sheet, and pressure formed plastic products, offering in-house extrusion and retail-ready finishing and assembly services. They also specialize in vacuum formed industrial packaging solutions.

+15152235843

Ashtonne Packaging

ashtonne.com
Ashland, OH

Ashland, OH-based Ashtonne Packaging is a full-service custom packaging manufacturer providing end-to-end solutions. They specialize in clamshell and blister packaging, thermoformed trays, custom boxes, and retail displays. With three US manufacturing plants, they offer structural and graphic design, kitting, and fulfillment services for diverse B2B industries.

+18775226937

Brentwood Industries

brentwoodindustries.com
Martinsburg, WV

Based in Martinsburg, WV, Brentwood Industries specializes in custom clamshell packaging for diverse applications, including medical, dental, pharmaceutical, and electronics. The company utilizes thermoforming and injection molding services to produce custom medical packaging components and other tailored solutions with various material options.

+16103745109

Dynamic Pak

dpthermoforming.com
East Syracuse, NY

Dynamic Pak, based in East Syracuse, NY, specializes in custom plastic clamshell packaging. They leverage expert thermoforming, working with thin gauge materials for tailored solutions from design to high-volume production. An ISO 9001:2015 certified company, Dynamic Pak focuses on quality and customer satisfaction.

+13154748593

Emco Industrial Plastics, Inc.

emcoplastics.com
Cedar Grove, NJ

Based in Cedar Grove, NJ, Emco Industrial Plastics, Inc. specializes in custom plastic fabrication, including vacuum forming and thermoforming, for durable plastic parts. They also offer CNC machining, plastic welding, and injection molding. The company serves diverse industries such as Food & Beverage, Medical, and OEM Replacement.

+19732390202

Genpak

genpak.com
Charlotte, NC

Based in Charlotte, NC, Genpak manufactures quality food containers and tableware, including a wide range of hinged containers and clamshell packaging. Serving diverse markets such as delivery & takeout, grab & go, food service, restaurants, convenience stores, and grocery, they provide essential solutions for food packaging needs.

+18006266695

Global Thermoforming

globalthermoforming.com
Tempe, AZ

Based in Tempe, AZ, Global Thermoforming is an ISO-certified company offering vacuum forming, thick gauge, and thin gauge thermoforming services. They specialize in custom thermoformed packaging, building their own tools, machines, and extruding materials in-house. Capabilities include design, tooling, machining, and assembly for diverse industries like packaging, medical, and automotive.

+14807535680

Good Start Packaging

goodstartpackaging.com
Bedford, NH

Based in Bedford, NH, Good Start Packaging provides compostable fiber and PLA bioplastic clamshell packaging. They offer wholesale quantities of eco-friendly food containers, including burger clamshells, bowls, and plates. Many products are certified compostable, PFAS-free, and made in the USA, focusing on sustainable foodservice disposables.

+18669719251

Ironwood Packaging, LLC

ironwoodpackaging.com
Rancho Cucamonga, CA

Ironwood Packaging, LLC is a custom thermoformed plastic packaging manufacturer based in Rancho Cucamonga, CA. They provide quality packaging solutions for various industries, including cosmetic, food, hardware, personal care, technology, and medical. Services range from design guidance to rapid turn-around on repeat orders.

+19095810077

Lacerta Group LLC

lacerta.com
—

Based in Mansfield, MA, Lacerta Group LLC manufactures plastic packaging, including sustainable rPET clamshell containers and film-lidding solutions. They specialize in tamper-evident, film-sealable options for grab-and-go food, designed to reduce plastic, cut costs, and extend shelf-life with crystal-clear clarity for prepared items.

+15083393312

New AGE, Inc.

newagepkg.com
Bedford Heights, OH

Based in Bedford Heights, OH, New AGE, Inc. provides custom and contract packaging solutions, including package design, tooling, and custom thermoformed clamshells. With over 30 years of experience, they also offer blister combos, shrink wrapping, and a wide range of packaging supplies from their 800,000 sq ft facility.

+14404391004

Pacific Pulp Molding, Inc

pacificpulp.com
Oakland, CA

Pacific Pulp Molding, Inc. based in Oakland, CA, specializes in sustainable molded pulp packaging. They provide engineered clamshells that are 100% recyclable and toxin-free. As part of Specialized Packaging Group, they offer customized protective packaging solutions, reducing environmental impact and supply chain costs for North American clients.

+15103243626

Plastic Ingenuity

plasticingenuity.com
Cross Plains, WI

Based in Cross Plains, WI, Plastic Ingenuity is a custom thermoformer providing packaging solutions across North America. They specialize in designing and manufacturing custom plastic packaging for healthcare, food, and consumer products, bringing customer visions to life with their extensive experience and global capabilities.

+16087983071

Plastiform Dallas

plastiform-dallas.com
Dallas, TX

Plastiform Dallas specializes in custom plastic thermoformed packaging, including clamshells, insert trays, and cushion packaging. They provide innovative solutions that enhance product visibility, security, and protection for retail, industrial, medical, and food industries. Services include product design, prototyping, and custom manufacturing.

+18664730978

Productive Plastics

productiveplastics.com
Mount Laurel, NJ

Productive Plastics, based in Mount Laurel, NJ, is a custom contract manufacturer specializing in plastic thermoforming services. They provide pressure and vacuum forming to produce diverse plastic components, including custom clamshells and blister packs. The company serves industrial and commercial clients with tailored plastic packaging solutions.

+18567784300

Qual Pac

qualpac.com
Grand Prairie, TX

Qual Pac specializes in custom co-packing, re-packing, and contract packaging services for various industries, including food and beverage. They offer blister co-packing, production management, and packaging line design. Based in Grand Prairie, TX, Qual Pac handles complex scheduling and packaging requirements for large volume projects.

+18775850673

Sonic Packaging

sonicpackaging.com
Westwood, NJ

Based in Westwood, NJ, Sonic Packaging provides innovative contract packaging and filling services, specializing in blister packaging. They serve the pharmaceutical, beauty, and food and beverage industries, offering solutions from concept to market. The company guides clients to optimal packaging tailored for their specific products.

+12016664744

SPS

sps70.com
Edison, NJ

Based in Edison, NJ, SPS provides comprehensive packaging solutions, including package engineering, design, and a wide array of materials like blisters and clamshells. They offer services such as material optimization, cost reduction, and supply chain management, catering to industries like contract packaging and pharmaceutical.

+18009449689

TOPPAN Packaging Solutions

packaging.toppan.com
—

TOPPAN Packaging Solutions provides thermoformed packaging, including hinged and lidded containers such as berry clamshells, salad tubs, and egg cartons. They also offer flexible packaging solutions designed for durability, clarity, and customization, ensuring product protection and presentation for various markets.

No contact on file

Pactiv Evergreen

pactivevergreen.com
Lake Forest, IL

Based in Lake Forest, IL, Pactiv Evergreen manufactures fresh food and beverage packaging across North America. The company provides a wide range of products, including hinged clamshells, leveraging broad material expertise. They offer sustainable, grease-resistant solutions suitable for diverse food service applications.

No contact on file

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How to Choose a Company

  • Verify the supplier's experience with your specific material (e.g., PET, RPET, PVC, PP) and material gauge range, ensuring they can consistently produce clamshells with the desired clarity, rigidity, and impact resistance for your product's weight and end-use environment.
  • For products requiring sterility or direct food contact, demand proof of specific certifications like ISO 13485 for medical devices or relevant FDA compliance documentation, and inquire about their cleanroom manufacturing capabilities and migration testing protocols.
  • Scrutinize initial tooling quotes carefully for hidden costs; a common gotcha is not clarifying mold ownership, maintenance responsibilities, or whether modifications for optimized draft angles and undercuts are included, which directly impacts long-term production efficiency.
  • Assess their DFM (Design for Manufacturability) expertise, specifically their ability to guide you on optimal draft angles, undercut allowances, and living hinge design to ensure secure closure, easy product insertion, and smooth automated denesting on packaging lines.

Frequently Asked Questions

What's the difference between PET and RPET for clamshells, and which should I choose?

PET (Polyethylene Terephthalate) is virgin plastic known for its excellent clarity, strength, and barrier properties, often chosen when visual appeal and maximum protection are paramount. RPET (Recycled PET) is made from post-consumer recycled PET bottles and containers. While RPET offers significant sustainability benefits and often has good clarity, its mechanical properties can vary slightly, and it might have a faint tint or minor visual imperfections compared to virgin PET. Your choice depends on your brand's sustainability goals, budget, and the specific aesthetic and protective requirements of your product; RPET is increasingly favored for eco-conscious brands where a minor visual trade-off is acceptable.

How do tooling costs for clamshells typically break down, and what factors drive them?

Tooling costs, often the largest upfront investment, primarily cover the design and fabrication of the molds (also called 'tools' or 'dies') used in the thermoforming process. Factors driving these costs include the complexity of your clamshell design (e.g., intricate undercuts, multiple snap features, integrated living hinges), the desired production volume (high-volume tools are often made from more durable, expensive materials like aluminum with more cavities), and the precision required. Expect separate charges for initial design, CNC machining, finishing, and sometimes even test runs. It's crucial to clarify who owns the tooling post-purchase and any associated maintenance or refurbishment costs in the long term.

What design considerations are critical for ensuring my product fits perfectly and the clamshell closes securely?

For optimal fit and secure closure, focus on several key design considerations during the DFM phase. Critical among these are sufficient draft angles (a slight taper on vertical walls) to allow the product to be easily removed from the mold and for the clamshells to denest on your production line without jamming. Proper undercut design is essential for secure snap closures, ensuring the mating features engage firmly. Consider the placement and design of living hinges for durability and consistent opening/closing action over the product's lifespan. Finally, provide your supplier with the exact product dimensions, including any variances, to allow for precise cavity design that cradles your product snugly without excessive movement or crushing.

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