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Plastic Additive Manufacturers

Last updated: February 2026

This directory lists 69 plastic additive manufacturers across the United States, from specialty functional additive producers to high-volume masterbatch compounders.

Buyers typically engage these manufacturers to solve critical performance gaps in their plastic formulations. This could involve enhancing flame retardancy for electrical enclosures, improving processability through processing aids, or extending product lifespan with advanced antioxidants. The goal is often to imbue a base resin with properties it lacks, optimizing for specific end-use environments or manufacturing processes.

The ecosystem of plastic additive manufacturers includes several distinct types. Some specialize in neat chemical synthesis, providing raw additive materials. Others focus on masterbatch production, compounding high concentrations of additives into a carrier resin for easier dispersion. Then there are custom compounders who integrate additives into a specific resin matrix, often producing a ready-to-mold material. Understanding these distinctions is crucial for aligning with the right partner.

To effectively engage with these suppliers, buyers should arrive with precise technical specifications: the target polymer, required additive functionality (e.g., specific UV absorbance wavelengths, desired MFR impact, flame class), processing conditions, and regulatory compliance needs. Suppliers, in turn, expect clarity on application, volume forecasts, and any existing formulation constraints to propose suitable solutions and offer appropriate technical support.

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Company Directory

69 companies nationwide

3V Sigma USA is a plastic additives manufacturing company, delivering comprehensive solutions and services. They produce advanced specialty chemicals, including synthetic polymers and organic chemistry molecules, for various industries. The company also offers contract and toll manufacturing, along with personal care product development and laboratory testing.

Chicago, IL

Based in Chicago, IL, ACL Staticide, Inc. specializes in static control solutions and advanced material science. The company manufactures carbon nanotube thermoplastic compounds, ESD polishes, and PCB cleaning chemicals. They provide specialized products for industries requiring electrostatic discharge protection and enhanced material properties.

Irvine, CA

ADDMAN Group specializes in polymer additive manufacturing and 3D printing from its US facilities. They provide rapid prototyping, CNC machining, and injection molding services. The company offers integrated engineering and production for complex components, serving industries such as defense, aerospace, medical, and energy with end-to-end solutions.

Based in Exton, PA, AGC Chemicals manufactures high-performance fluorochemical technologies, compounds, and specialty materials. They produce a broad range of fluoropolymers, including PTFE, PFA, ETFE, and fluoroelastomers. These materials enhance critical components in diverse industries, including aerospace, seals, and nonwoven fabrics.

Kings Mountain, NC

Based in Kings Mountain, NC, Albemarle Corporation specializes in transforming essential resources into critical ingredients. The company provides advanced flame retardants, often bromine-based, that enhance safety and reliability in plastics used for electronics, automotive technology, and building materials. These chemical additives help protect modern devices and make energy infrastructure more efficient.

Anaheim, CA

Ampacet Corporation manufactures innovative color and additive masterbatch products, enhancing the aesthetics, functionality, and sustainability of plastics. Serving diverse markets such as packaging, industrial parts, films, and cables, the company provides solutions to improve various plastic products globally.

Valparaiso, IN

Based in Valparaiso, IN, AM Stabilizers Corporation manufactures high-quality liquid and powder heat stabilizers. These plastic additives are crucial for both flexible and rigid PVC applications, serving industries such as calendered films, vinyl flooring, wire & cable, and roofing.

Baerlocher develops and markets plastic additives for diverse polymer applications. Their portfolio includes PVC and polymer stabilizers, lubricants, and metal soaps, specializing in Ca/Zn stabilizers for PVC. They serve industries producing profiles, cables, flexible extrusion, floorings, and pipes and fittings.

Cincinnati, OH

Based in Cincinnati, OH, Baerlocher USA manufactures and supplies a wide range of plastic additives. Their product portfolio includes BAEROPAN one-packs and BAEROSTAB liquid stabilizers for PVC, BAEROPOL additive systems for polyolefins, BAEROLUB lubricants, fatty acids, and metal soaps. They offer tailored solutions for diverse plastic applications.

Portland, OR

Based in Portland, OR, BioSphere Plastic LLC manufactures a biodegradable plastic additive. This technology enhances plastic articles to be consumed by microorganisms in compost facilities, helping customers meet environmental responsibility demands and reduce plastic waste.

Colton, CA

Based in Colton, CA, Chromatech Colors formulates, manufactures, and supplies industrial dyes, pigments, and custom dispersions. They specialize in high-quality colorants for diverse applications, including serving the plastics, coatings, agriculture, inks, and textile industries with tailored solutions.

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Custom Chemical Formulators, Inc. is a chemical blending company providing contract manufacturing, private labeling, and custom product development services. With over 50 years of experience, their expert chemists formulate tailored chemical solutions for diverse industries.

Hammond, IN

Dover Chemical Corporation manufactures polymer additives, including liquid and solid antioxidants, and flame retardants. With manufacturing facilities in Dover, OH, and Hammond, IN, the company supplies chemical solutions for diverse industrial applications. They are ISO9001:2015 certified and committed to responsible care.

Atlanta, GA

Based in Atlanta, GA, Dynamic Modifiers, LLC is a specialty compounder. The company provides custom polyolefin compounds and concentrates for polypropylene and polyethylene, including sustainable and color concentrates. They formulate materials for flame retardant and flexible plastic applications, enhancing product performance and value.

Future Fuel Corporation specializes in custom manufacturing and chemical synthesis, providing a broad range of specialty and performance chemicals. The company offers capabilities for both batch and full-scale continuous production, leveraging its expertise, engineering, facilities, and operational capacity to support complex chemical product development.

Jersey City, NJ

Based in Jersey City, NJ, Galata Chemicals manufactures innovative plastic additives, including Blendex® modifiers, organotin stabilizers, mixed metal stabilizers, and plasticizers. These products are designed to enhance the mechanical and processing properties of polymers, improving the performance and appearance of finished plastic parts.

Hybrid Plastics manufactures polyhedral oligomeric silsesquioxane (POSS), a unique hybrid of organic and inorganic materials. POSS serves as an additive technology that simplifies formulations and enhances performance in various industrial applications. These include personal care, carbon products, oil and gas, and coatings, providing benefits like hydration, durability, and dispersion.

La Grange, IL

Based in La Grange, IL, iD Additives, Inc. provides specialized products for the plastics industry. Founded in 2005, they manufacture chemical foaming agents for lightweight plastic parts and efficient purging compounds. They also offer EPA-verified plastic mold cleaners and supply quality raw materials, including resins and color concentrates.

Galveston, TX

IMI Fabi manufactures specialized plastic additives for effective polymer nucleation. The company focuses on products with high pureness, tight particle size distribution, and lamellarity, ensuring optimal performance in various polymer applications. They provide cost-effective additive solutions to the plastics industry from their Galveston, TX facility.

Kingsport, TN

Based in Kingsport, TN, Insight Polymers & Compounding LLC is a US-based custom compounder specializing in high-performance polymer compounds. They develop tailored solutions and manufacture plastic additives, such as CNT concentrates, designed to improve properties like tensile strength and stiffness for industrial applications.

Detroit, MI

BASF SE is a global chemical company manufacturing innovative additives, including PFAS-alternatives, for diverse industrial applications. They provide performance-enhancing solutions for plastics & rubber, automotive, construction, and coatings, helping clients achieve formulation flexibility and meet regulatory demands.

Houston, TX

Based in Houston, TX, Kisuma manufactures plastic additives, specializing in magnesium-based solutions. They provide non-heavy metal heat stabilization for vinyl chloride with products like ALCAMIZER™. As a chemical company, Kisuma focuses on synthetic hydrotalcite, offering versatile industrial solutions to diverse market needs.

Michelman, Inc. develops and manufactures specialized sustainable chemistry for various industries. Their multi-functional coatings and performance-enhancing solutions, acting as additives, are utilized in agricultural and architectural coatings, digital printing, foodservice packaging, and advanced composites. Products deliver properties like water, oil, and grease resistance, with manufacturing in the USA.

Santa Ana, CA

Based in Santa Ana, CA, Modified Plastics, Inc. specializes in custom compounding and engineering polymers. Leveraging nearly 40 years of experience, the company develops bespoke plastic materials tailored for specific industrial applications. They expertly integrate various additives to achieve precise material properties and performance characteristics.

Based in Lexington, MA, NBD Nano develops innovative stay-new surface solutions. The company provides repellent coatings, adhesion promoters, and additives to enhance product durability and performance. Offerings include antimicrobial protection, UV curable soft-touch coatings for plastic, and hard coat solutions that prevent scratches and abrasion on plastic surfaces.

Torrance, CA

Based in Torrance, CA, OK Color America specializes in manufacturing custom color concentrates for plastics. The company provides high-quality masterbatch and specialty colorants, including marble effects, with a focus on rapid turnaround. They help elevate plastic products with vibrant color expressions.

Brazil, IN

Polymer Additives Group (PAG) is a U.S.-based manufacturer of high-performance flame retardants and smoke suppressants. With over 30 years of experience, PAG offers additive technologies made in Indiana, supporting plastic processors in molding, extruding, and compounding with technical expertise and reliable delivery.

Johnson City, TN

Based in Johnson City, TN, Performance Additives provides high-quality plastic additives. The company utilizes industry expertise, global technology, and reliable supply chains to support manufacturers with essential components for various plastic applications.

Hammonton, NJ

Polyvel Inc., based in Hammonton, NJ, manufactures specialty additive masterbatches and custom compounds for plastic applications. They offer proprietary and tailor-made formulations, along with toll and contract compounding services. Polyvel serves diverse markets like packaging, medical devices, nonwovens, film/sheet, and molding processes.

Pristine LLC provides biodegradable and recyclable plastic additives. Their formulation boosts decomposition rates for plastics in landfills and marine environments, verified by ASTM lab tests. These additives maintain plastic strength while enhancing sustainability. They are versatile for applications across packaging, consumer goods, and industrial components.

Winona, MN

Based in Winona, MN, RTP Company engineers custom thermoplastic compounds, pellets, sheets, and films. They specialize in modifying resins with additives to achieve specific properties like conductivity, flame retardancy, high temperature, and wear resistance, serving diverse thermoplastic needs.

Based in Charleroi, PA, Sanyo Chemical America Incorporated manufactures a range of advanced polymer additives for various plastic applications. They produce antistatic additives like Pelestat and Pelectron to prevent electrostatic discharge, and anti-wear/anti-seizure polymer additives such as ACLUBE NS-100, specifically designed for EV drive units to enhance durability and efficiency.

Santa Fe Springs, CA

Southland Polymers, Inc., based in Santa Fe Springs, CA, is a full-service supplier offering custom compounding services for thermoplastic resins. The company provides tailored material solutions, including colorants and various additives, for original equipment manufacturers and independent plastic processors.

Anaheim, CA

Based in Anaheim, CA, Techmer PM is a global producer of value-added color and additive masterbatches and compounds. With over 40 years of experience, they specialize in precision chemistry and materials design solutions, offering innovative additive packages and formulations for the plastics, fiber, and agricultural industries.

Bessemer City, NC

Tosaf manufactures plastic additives and masterbatches, with production plants in the United States, including Bessemer City, NC. The company develops tailored additive and white solutions, providing processing aids, anti-fog, anti-static, slip, anti-block, UV stabilizers, and fire retardants to enhance plastic products and processes.

Evansville, IN

Based in Evansville, IN, Trivalence Technologies specializes in custom plastic compounding solutions. They provide technical value and quality solutions by formulating specialized plastic materials for the plastic injection and extrusion markets. Their expertise involves creating customized compounds designed for enhanced performance and specific industrial application requirements.

Anaheim, CA

Arkema manufactures a range of acrylic-based impact modifiers, providing solutions for rigid and flexible PVC applications. These plastic additives are engineered to enhance performance and optimize cost in various polymer formulations, supporting diverse industrial needs from its US facility.

Baytown, TX

Colloids Ltd is a global manufacturer of high-performance black and color masterbatch solutions, serving the polymer processing market. They innovate and produce quality plastic additives, including bespoke polymer composites, with continued investment in research and development to meet diverse industry requirements.

Wilmington, DE

DuPont manufactures specialty chemicals and advanced materials, serving as a provider of plastic additives for a broad range of industrial segments. The company develops high-performance engineered products that enhance the properties of plastics, including solutions for healthcare, water, and mobility applications within the United States.

Evonik is a global specialty chemicals group manufacturing a range of additives for plastics, including those for coatings, plasticizers, and polyolefins. They also develop advanced materials like AEROXIDE® and are active in chemical recycling of polyurethane foam, promoting a circular economy within the industry.

Fort Worth, TX

Based in Fort Worth, TX, HEXPOL is a global manufacturer of advanced polymer compounds, specializing in customized solutions. The company produces high-quality polymer compounds, including masterbatch, TPE, rubber, and PVC compounds, serving diverse industrial applications. HEXPOL operates numerous manufacturing facilities across the United States.

High Teck specializes in manufacturing adhesion promoters for various automotive applications. Their products are formulated to enhance bonding on diverse surfaces including plastics, aluminum, fiberglass, galvanized metal, painted surfaces, and zinc.

Placentia, CA

Based in Placentia, CA, Phoenix Plastics manufactures plastic additives, including purge compounds, chemical foaming agents, process aids, stabilizers, anti-microbials, and flame retardants. Serving injection molding, extrusion, blow molding, and film & sheet applications, the ISO 9001:2015 Certified company also offers compounding services.

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Polynt Group specializes in the development and production of chemical intermediates and plasticizers. Serving various industries, including polymers and plastics, they offer a range of products for coatings, composites, and thermoset compounds with a global manufacturing presence.

Parsippany, NJ

Sun Chemical, based in Parsippany, NJ, manufactures various grades of plasticizers and other additives for the automotive and industrial markets. The company also specializes in color masterbatches, providing essential solutions for achieving consistent brand color on diverse substrates and applications.

Cuyahoga Falls, OH

Based in Cuyahoga Falls, OH, Americhem specializes in custom compounding and masterbatch manufacturing. The company designs and produces high-performance thermoplastic compound solutions and polymer additives. They serve manufacturers in demanding industries such as healthcare, transportation, electronics, building materials, and packaging.

Avon Lake, OH

Avient is a global manufacturer of specialty polymer materials, colorants, and advanced additives. The company provides solutions engineered to enhance the performance and aesthetics of plastic parts, improve manufacturing efficiency, and reduce downtime for industrial and commercial customers across diverse markets.

Mukwonago, WI

Based in Mukwonago, WI, BADGER COLOR USA is a manufacturer specializing in custom color and additive masterbatch solutions for a wide range of polymers. They provide high-performance concentrates for various industries, including packaging, consumer goods, furniture, building & construction, industrial, and automotive applications.

Calhoun, GA

Based in Calhoun, GA, Calhoun Plastics & Chemicals, Inc. is a custom formulator specializing in dispersion PVC plastisol, urethane, and heat stabilizer compounds. With over 40 years of service, the company is ISO 9001:2015 certified, focusing on consistent products and high levels of service.

Minneapolis, MN

Based in Minneapolis, MN, Cargill supplies specialty additives for the plastics industry. The company collaborates with customers to address diverse market demands and consumer needs, providing a range of solutions for various plastic applications and manufacturing processes.

Bluefield, VA

Based in Bluefield, VA, CFI Carbon Products manufactures Austin Black 325, a low-emission filler from bituminous coal. This dry powder additive for the plastics, rubber, and silicone industries improves processability, increases flowability, and reduces product weight, supporting manufacturers' profitability and sustainability.

Chroma Color Corporation specializes in advanced color concentrate solutions for plastics. The company utilizes a broad range of resins, additives, and pigments, expertly customizing formulations to meet specific client needs. They provide tailored solutions to enhance plastic products.

Color Master Inc. specializes in expert plastics color solutions, providing masterbatch, liquid colorants, and custom hues. They also offer regulatory compliant PVC compounds for various applications, ensuring fast delivery for their clients.

Lewiston, ME

Based in Lewiston, ME, Compounding Solutions LLC manufactures custom medical compounds, vibrant color concentrates, and innovative additive concentrates. They specialize in medical-grade solutions for precise applications, offering products like surface friction reduction and thermoplastic laser marking materials. The company serves the medical device industry with a range of specialized products.

Daikin America manufactures fluoromaterials and chemicals, including PPA processing aids for blown and cast film extrusion, and wire and cable applications. Their fluoropolymers serve diverse sectors like aerospace, automotive, energy storage, and packaging with unique property solutions.

Kingsport, TN

Eastman manufactures plasticizers, a type of plastic additive, and other advanced materials for various industries. The company collaborates with partners across sectors like agriculture, consumer goods, and transportation to develop sustainable solutions, addressing climate change and the global waste crisis through their innovative products.

Based in Ripley, MS, Elite Advanced Polymers specializes in advanced polymer compounding, mixing proprietary formulations for diverse industries. With over 20 years of experience, the company provides application-driven services including formulation, testing, and manufacturing, utilizing state-of-the-art R&D to meet complex material needs.

W. R. Grace is a global manufacturer specializing in high-performance chemicals and science-based solutions. The company provides custom-engineered silica and a portfolio of plastic film additives designed to enhance the properties and benefits of plastic films for various industries.

Panama City, FL

Kraton Corporation, based in Panama City, FL, manufactures specialty polymers and pine chemicals. They develop biobased products for polymer modification, enhancing plastics like styrenics, polyolefins, and thermoplastics. These solutions improve performance, particularly impact and temperature resistance, meeting diverse industrial customer needs.

Suwanee, GA

Mayzo, based in Suwanee, GA, manufactures chemical additive solutions. They specialize in custom additive blends, including UV and antioxidant formulations, in various forms like granulation, pelletization, and extrusion. Mayzo provides practical solutions for polymer, wax, and solvent applications, enhancing processing, quality, and end-use performance.

Charlotte, NC

Microban International specializes in developing and manufacturing custom antimicrobial and odor control plastic additives. They formulate solutions for seamless integration into various polymers and materials during manufacturing. Based in Charlotte, NC, Microban helps inhibit the growth of bacteria, mold, and mildew on product surfaces, serving diverse industries with advanced technology.

Spartanburg, SC

Based in Spartanburg, SC, Milliken is a global materials science company specializing in plastic additive manufacturing. They provide polymer modification expertise to enhance performance and aesthetics in polypropylene (PP) and polyethylene (PE), including advanced clarifiers for ultra-clear plastics.

Cincinnati, OH

CREMER North America, based in Cincinnati, OH, specializes in supplying rubber and plastic manufacturers with sustainable oleochemicals. These quality additives are utilized to enhance plasticity and control in various manufacturing processes, supporting the production of improved polymer-based products across industries.

Cleveland, OH

Based in Cleveland, OH, Polymer Solutions Group manufactures specialty polymer additives and plastic process aids, such as SureFlo® for lowering viscosity in thermoplastic resins. They also provide functional process aids and homogenizing agents for the rubber and tire industries, emphasizing sustainable and cost-effective solutions for enhanced performance.

Independence, OH

Based in Independence, OH, Valtris Specialty Chemicals is a global producer of specialty chemical additives. The company manufactures various polymer additives and precursors used in diverse industrial applications, providing chemical solutions to enhance plastic performance.

3M manufactures advanced plastic processing additives, including Dynamar PPAs, designed to enhance polymer flow and processing efficiency. These additives are effective at low use levels, typically 100–1000 ppm, and significantly reduce common manufacturing issues such as die build-up and melt fracture for industrial clients.

Midland, MI

Based in Midland, MI, Dow Inc. manufactures a diverse range of plastic additives, including acrylic, MBS, silicone, and silane types. These specialized chemical solutions are engineered to enhance the processability, durability, and circularity of plastic products across various industrial applications.

ExxonMobil Chemical manufactures high-performance polymer modifiers designed to enhance the performance and processability of plastic products. They provide chemical and polymer solutions, including Vistamaxx™ polymers, for industrial applications such as films, compounds, and nonwovens, focusing on innovative material development.

Nouryon manufactures and supplies specialty additives essential for the production and processing of polymers, masterbatch, and various compounds. The company also provides solutions for textile and leather applications, oilfield services, and cleaning ingredient advancements, focusing on sustainable chemical technologies for diverse industries.

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How to Choose a Company

  • Verify their capabilities in masterbatch compounding vs. supplying neat additives, ensuring their format aligns with your processing equipment and dispersion requirements (e.g., twin-screw extrusion vs. simple blending).
  • For applications requiring direct or indirect food contact, demand evidence of compliance with FDA 21 CFR regulations and, if applicable, NSF certifications for potable water systems, including comprehensive migration testing data.
  • Assess their expertise in specific additive chemistries. If you need impact modification for polyolefins, ask about their expertise with block copolymers or core-shell rubber technologies, not just generic impact modifiers.
  • Demand detailed technical data sheets (TDS) and safety data sheets (SDS) that include specifics on additive particle size distribution, thermal stability (TGA), and recommended processing windows to prevent additive degradation or premature activation.
  • Be wary of suppliers who offer "universal" solutions for complex problems like highly demanding UV stabilization or long-term thermal stability across vastly different polymer systems without rigorous testing data specific to your resin. Real-world performance is rarely one-size-fits-all.
  • Investigate their regulatory support, particularly for global markets. Confirm their ability to provide documentation for REACH registration, RoHS compliance, and any specific regional environmental certifications relevant to your end product.

Frequently Asked Questions

What's the difference between buying neat additives and masterbatches for my application?

Neat additives are raw chemical compounds, offering maximum flexibility in formulation but requiring precise in-house dosing and thorough dispersion. Masterbatches are concentrated additive pellets in a carrier resin, simplifying handling, improving dispersion uniformity, and reducing dust, making them ideal for high-volume or less technically equipped operations, though they introduce a carrier polymer into your formulation.

How do I ensure regulatory compliance for plastic additives, especially for food contact or medical devices?

Start by clearly communicating your end-use application to the supplier. For food contact, demand compliance with FDA 21 CFR sections and potentially EU (EC) No 10/2011 regulations, including robust migration studies. For medical devices, verify biocompatibility certifications (e.g., USP Class VI) and confirm the additive manufacturer operates under strict quality management systems like ISO 13485 (if they claim medical grade).

What critical technical data should I request from a plastic additive manufacturer?

Beyond standard TDS and SDS, ask for Thermogravimetric Analysis (TGA) to understand thermal stability during processing, Differential Scanning Calorimetry (DSC) for thermal transitions, particle size distribution if dispersion is critical, and application-specific performance data (e.g., UV stability testing like Xenon-Arc, flame class reports, impact strength data).

My current additive causes plate-out on my mold. What should I ask potential new suppliers?

Plate-out often indicates poor additive compatibility with the polymer matrix, high volatility, or improper processing. Ask potential suppliers about the solubility parameters of their additives, recommended maximum processing temperatures, and whether their additives include processing aids or encapsulation technologies designed to mitigate migration and plate-out, especially for highly loaded masterbatches.

For a new product requiring specific UV stabilization, how do I evaluate a supplier's offerings beyond basic UVA/UVB protection claims?

Look beyond generic claims. Inquire about the specific UV absorber and hindered amine light stabilizer (HALS) chemistries used and their performance in your specific polymer type and intended outdoor environment. Request accelerated weathering data (e.g., ASTM G154 or G155 reports) for a relevant resin, and discuss the desired UV stabilization lifetime and required delta-E color change over time to ensure the additive's efficacy matches your product's lifespan expectations.

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