The chemical manufacturing industry in Connecticut is diverse and vibrant, hosting a plethora of companies creating a wide range of products. These businesses range from integrated producers of inorganic chemicals like Tronox to petrochemical providers such as ExxonMobil Chemical, and even specialty chemical companies including the likes of Charkit. They play pivotal roles in industries including paint, plastics, and paper, providing essential material components. The industry in Connecticut is marked by its innovation, quality, and adherence to environmental safety standards. As it moves forward, the industry is expected to continue its contribution to the state's economy and open up prospects for more specialized companies.


Top 21 chemical manufacturing companies in Connecticut

1. Tronox

  • Website: tronox.com
  • Headquarters: Stamford, Connecticut, United States
  • Founded: 2012
  • Headcount: 5001-10000
  • LinkedIn

Tronox is a vertically integrated producer of titanium dioxide and inorganic chemicals. They mine and process titanium ore, zircon, and other materials, and manufacture titanium dioxide pigment, specialty-grade titanium dioxide products, and high-purity titanium chemicals. Their products enhance the brightness and durability of paints, plastics, paper, and other everyday items.


2. Mobil Chemical Company

ExxonMobil Chemical is a global provider of petrochemicals, offering a diverse range of products and solutions for various industries. They specialize in the production of ethylene, polyethylene, and polypropylene, among other key chemicals.


3. Charkit Chemical Company

  • Website: charkit.com
  • Headquarters: South Norwalk, Connecticut, United States
  • Founded: 1982
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

Charkit is a specialty chemical company that offers a wide range of components, ingredients, and raw materials to the chemical industry. With a global network of suppliers and exclusive agreements with quality suppliers, Charkit specializes in custom blending, formulations, manufacturing, and supplier relations.


4. Addivant USA, LLC

  • Website: addivant.com
  • Headquarters: Middlebury, Connecticut, United States
  • Founded: 2012
  • Headcount: 1001-5000
  • LinkedIn

Addivant is a global technology and industry leader in performance additives, process solutions, pharma, and chemical intermediates, offering a broad range of solutions for fuels and lubricants, polyolefins, polyols, PVC, elastomers, latex, tire, and rubber compounding.


5. King Industries

King Industries, Inc. is a global company that designs, manufactures, and distributes additives for small and large companies worldwide. They offer a wide range of products such as lubricants, coatings, rubber, and specialty chemicals.


6. Vanderbilt Chemicals, LLC

Vanderbilt Chemicals is a global supplier of mineral and chemical products, specializing in anti-wear/anti-scuff compounds, polyurethane additives, antioxidants, and lubricant additives.


7. H.J. Baker & Bro., LLC

  • Website: hjbaker.com
  • Headquarters: Shelton, Connecticut, United States
  • Founded: 1850
  • Headcount: 201-500
  • LinkedIn

H.J. Baker is a leading company specializing in the production, marketing, and distribution of fine chemicals, fertilizers, rubber, lithium, and asphalt. With a commitment to excellent customer and supplier relationships, the company focuses on growth as a valued producer, marketer, and distributor.


8. Hubbard-Hall Inc.

Hubbard-Hall is a trusted company with expertise in providing chemistry solutions for manufacturing industry. They offer a wide range of products and services including surface cleaning, metal finishing, and industrial wastewater treatment. With a focus on process savings and problem-solving, they have been helping manufacturers since 1849.


9. Innovative Design Engineering Assoc. (IDEA)

  • Website: ideas4eng.com
  • Headquarters: Milford, Connecticut, United States
  • Founded: 1995
  • Headcount: 11-50
  • LinkedIn

IDEA Engineering is a full-service engineering firm that has been serving the chemical, pharma, and specialty chemical industries for over 25 years. They offer creative, pragmatic, and cost-effective engineering services to their clients.


10. StanChem Polymers

  • Website: stanchem-inc.com
  • Headquarters: East Berlin, Connecticut, United States
  • Founded: 1968
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

StanChem Inc. is a company that specializes in the development and manufacturing of high-performance emulsion polymers for various industries, including architectural, construction, adhesives, and packaging. With a strong focus on customer satisfaction, they aim to understand and meet the unique needs of their clients.


11. Enko

  • Website: enkochem.com
  • Headquarters: Mystic, Connecticut, United States
  • Founded: 2017
  • Headcount: 11-50
  • Latest funding type: Series C
  • LinkedIn

Enkochem is a company that offers a wide range of chemical products and solutions. Their expertise lies in providing high-quality chemicals for various industries and applications.


12. Ansac

  • Website: ansac.com
  • Headquarters: Westport, Connecticut, United States
  • Founded: 1984
  • Headcount: 11-50
  • LinkedIn

ANSAC is a global supplier of natural soda ash, serving glassmakers, lithium battery producers, detergent manufacturers, chemical processors, and other industries. With a strong international network of service representatives, agents, and distributors, ANSAC ensures reliable and timely delivery of high-quality soda ash to its customers.


13. Hampford Research Inc

Hampford Research Inc. is a specialty chemical company that develops and manufactures customized handcrafted specialty chemical solutions. With over 30 years of experience, they are known for their intelligence, attentive service, and high-quality products. They are an integral part of multiple supply chains, including electronics, printing, coatings, and personal care. Their mission is to advance their work through rewarding partnerships, world-class customer service, employee development, and continuous improvement.


14. DeLong Chemicals America

DeLong Chemicals America is a supplier of aroma chemicals, pharmaceutical and specialty chemical intermediates. The company also has services in custom synthesis and manufacturing.


15. XG Industries

XG Industries is a company that specializes in friction modifiers. They offer testing services and provide sample products.


16. Maroon Group LLC

  • Website: amsyn.com
  • Headquarters: Stamford, Connecticut, United States
  • Founded: 1989
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

Amsyn is a national distributor of specialty chemicals serving key industries such as coatings, lubricants, nutraceuticals, pharmaceuticals, and electronics.


17. Reliable Silver Corporation

Reliable Silver Corporation is a leading manufacturer and supplier of high-quality precious metal products. We specialize in producing silver anodes, plates, pillows, popcorn, cones, balls, as well as silver and gold cyanides for electroplating and anti-bacterial coating. Our commitment to delivering on-time and meeting product specifications sets us apart in the industry.


18. Nalas Engineering Services, Inc.

Nalas Engineering Services Inc. provides engineering services for process development, offering solutions that scale to meet the needs of the chemical and pharmaceutical industries. They specialize in organic synthesis and route development, process scale-up and safety, kilo lab manufacturing, and analysis & quality control.


19. Standard-Knapp

Standard-Knapp is a packaging equipment manufacturer that has been in operation for over 125 years. They specialize in high-speed packaging solutions for a variety of materials including PET, glass, HDPE, steel, aluminum, and fiberboard. Their machines offer quick changeover, outstanding flexibility, and enable efficient and reliable packaging. Standard-Knapp's ultimate goal is to provide the best packaging solutions for their customers.


20. FabriChem (a Division of NutriScience Innovations, LLC)

FabriChem is a global supplier of high-quality raw materials, including specialty and fine chemicals, pharmaceutical ingredients, biochemicals, diagnostics, and buffers for companies worldwide.


21. Prochimie International Inc.

Prochimie International, Inc. is a specialty chemical distributor offering high-quality service and chemicals. Their product offerings include Hydroquinone Ethyl Ether, Nylon 6, and Agricultural Chemicals.


Want to find more chemical manufacturing companies?


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...and a lot more!