The rubber gasket and seal manufacturing industry focuses on producing components vital for preventing leaks and ensuring performance across various applications. This sector encompasses a range of companies, from family-owned businesses to large corporations, that supply clients in industries like automotive, aerospace, and pharmaceuticals. With a drive toward sustainability, innovations in material technologies, such as biocompatible and eco-friendly options, are emerging trends. Automation and advanced manufacturing techniques are reshaping operations, promoting efficiency. As environmental regulations tighten, specialized producers are also adapting, offering solutions that meet both functional and regulatory needs while prioritizing quality and reliability.

The listed companies comprise a mix of small to large-scale manufacturers, varying in size from under 50 to over 10,000 employees. They span multiple countries, including the USA, Germany, and Italy, and have been operating for decades, with foundations ranging from the 1940s to the 2010s. Specializations include custom molded rubber components, sealing solutions for demanding environments, and precision-engineered products. This portfolio showcases their ability to cater to both broad industrial needs and specific applications, reflecting their sustained relevance in an evolving market.

Read on to discover key rubber gasket and seal manufacturers.

Top 21 Rubber Gaskets and Seals Companies

1. Sealing Devices Inc.

• Website: sealingdevices.com
• Ownership type: Family Owned
• Headquarters: United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1963
• Headcount: 201-500
• LinkedIn: sealing-devices-inc-

Sealing Devices Inc. is a family-owned manufacturer and distributor based in the United States, specializing in sealing products such as O-rings, gaskets, and EMI shielding. Established in 1963, the company has built a strong presence in various industries, including aerospace, military, and electronics. They focus on providing high-quality sealing solutions that enhance product reliability and performance. Sealing Devices operates primarily in a B2B model, offering tailored solutions to meet specific customer needs. Their commitment to quality is reflected in their ISO 9001:2015 and AS9100D certifications. The company also emphasizes engineering support and value-added services, ensuring that they meet the rigorous demands of their clients. With a dedicated workforce and a history of innovation, Sealing Devices continues to be a significant player in the sealing products market.

2. Freudenberg Sealing Technologies

• Website: fst.com
• Ownership type: Private
• Headquarters: Weinheim, Baden-Württemberg, Germany
• Employee distribution: United States (USA) 28%, Germany 21%, India 13%, Other 38%
• Founded year: 2011
• Headcount: 10001+
• LinkedIn: fst

Freudenberg Sealing Technologies, based in Weinheim, Germany, is a prominent manufacturer specializing in sealing solutions and engineering services. Founded in 2011, the company has roots that trace back to 1929 with the invention of the Simmerring® Radial Shaft Seal. They cater to a wide range of industries, including automotive, aerospace, and food and beverage, providing innovative sealing products that meet critical performance and compatibility requirements. Their business model emphasizes custom solutions, working closely with clients to enhance product reliability and efficiency. With a workforce of over 4,900 employees and a global presence, Freudenberg Sealing Technologies combines engineering expertise with a comprehensive product portfolio, which includes static seals, dynamic seals, gaskets, and O-rings. Their commitment to quality and innovation makes them a significant player in the sealing technology market.

3. Seals Eastern Inc.

• Website: sealseastern.com
• Ownership type: Private
• Headquarters: Red Bank, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1958
• Headcount: 51-200
• LinkedIn: seals-eastern-inc

Seals Eastern Inc., based in Red Bank, New Jersey, is a private manufacturer established in 1958. The company specializes in high-performance rubber seals, gaskets, and o-rings, serving industries such as oil and gas, chemical processing, and more. With a workforce of approximately 39 employees, Seals Eastern emphasizes quality and innovation in elastomer technology. Their manufacturing facility operates under an ISO-9001 certified quality system, ensuring that products meet stringent quality standards. The company has invested significantly in research and development, contributing to their reputation as a trusted resource for elastomer performance and behavior. Seals Eastern's commitment to producing durable sealing solutions is reflected in their extensive range of products designed for demanding applications, ensuring equipment reliability and safety.

4. Minnesota Rubber and Plastics Trelleborg Sealing Solutions

• Website: mnrubber.com
• Ownership type: Corporate
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 65%, Mexico 30%, China 5%
• Latest funding: $950.0M, August 2022
• Founded year: 1945
• Headcount: 1001-5000
• LinkedIn: minnesota-rubber-and-plastics

Minnesota Rubber and Plastics Trelleborg Sealing Solutions, founded in 1945, is a manufacturing company based in Minneapolis, Minnesota. The firm specializes in custom molded rubber and thermoplastic components, catering to a variety of industries such as medical devices, automotive, and specialty industrial applications. With a strong emphasis on engineered solutions, the company addresses complex sealing and component challenges. Their global footprint includes manufacturing facilities in the United States, Mexico, and China, ensuring they meet the needs of clients worldwide. The company operates under strict quality standards, including ISO 13485 and ISO 9000, and has a robust materials lab that supports rapid development and testing of new compounds. Recently, they received significant funding, indicating confidence in their growth and innovation potential. Their product range includes inflatable seals, compression seals, and the patented Quad-Ring® seal, which is recognized for its performance in demanding applications.

5. All Seals Inc.

• Website: allsealsinc.com
• Ownership type: Private
• Headquarters: Lake Forest, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1974
• Headcount: 11-50
• LinkedIn: all-seals-inc-

All Seals Inc., based in Lake Forest, California, is a manufacturer and distributor that specializes in sealing products, including O-rings, gaskets, and custom molded rubber parts. Established in 1974, the company has built a reputation for providing solutions that prevent leaks and enhance operational efficiency across various industries. All Seals Inc. emphasizes engineering assistance and custom solutions, allowing them to meet the specific needs of their business customers effectively. Their product range includes mechanical seals, hydraulic seals, and a variety of rubber products, showcasing their capability to address diverse sealing challenges. The company also offers value-added services such as design consultation, material compatibility assessments, and vendor managed inventory, further solidifying their role in the industry. With a dedicated workforce and a commitment to quality, All Seals Inc. continues to serve its clients with precision and expertise.

6. Precision Associates Inc

• Website: precisionassoc.com
• Ownership type: Private
• Headquarters: Minneapolis, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1955
• Headcount: 51-200
• LinkedIn: precision-associates-inc

Precision Associates Inc, based in Minneapolis, Minnesota, has been a manufacturer of custom rubber seals and other rubber products since its inception in 1955. The company serves a variety of industries, including chemical processing, life sciences, and food and beverage, providing tailored sealing solutions that meet specific application needs. With a workforce of approximately 82 employees, Precision Associates operates a comprehensive manufacturing facility that includes capabilities in toolmaking and cleanroom molding. Their commitment to quality is underscored by their ISO 9001:2015 and ISO 13485:2016 certifications, which reflect their adherence to stringent industry standards. The company also boasts an extensive inventory of standard seals and offers rapid prototyping services, making them a reliable partner for clients seeking precision-engineered rubber components.

7. Precision Polymer Engineering Limited

• Website: prepol.com
• Ownership type: Private
• Headquarters: Blackburn, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 74%, United States (USA) 25%, Other 1%
• Founded year: 1975
• Headcount: 201-500
• LinkedIn: precision-polymer-engineering-limited

Precision Polymer Engineering Limited, based in Blackburn, England, has been a manufacturer of high-performance elastomer seals and components since its founding in 1975. The company serves a variety of industries, including Aerospace, Oil & Gas, and Pharmaceuticals, providing tailored solutions that enhance operational efficiency and safety. With a workforce of approximately 157 employees, Precision Polymer Engineering focuses on custom-engineered products, offering a wide array of sealing solutions such as O-rings, hygienic seals, and specialized gaskets. Their commitment to quality and innovation is evident in their consultancy services and advanced manufacturing capabilities, including cleanroom production and finite element analysis. This expertise allows them to address complex sealing challenges across multiple sectors, reinforcing their position in the rubber gasket and seal market.

8. Marco Rubber & Plastics

• Website: marcorubber.com
• Ownership type: Private Equity
• Headquarters: Seabrook, New Hampshire, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2020
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: marco-rubber-%26-plastics

Marco Rubber & Plastics, based in Seabrook, New Hampshire, is a custom sealing solutions provider that has been in operation since 1980. The company serves a wide array of industries, including semiconductor, aerospace, and food processing, with a product lineup that features O-rings, gaskets, and custom molded products. With a workforce of approximately 58 employees, Marco Rubber & Plastics has built a reputation for quality and customer service, ensuring quick response times and same-day shipping for many of their offerings. They maintain an extensive inventory of over 3,000 materials, allowing for tailored solutions to meet specific application needs. Their engineering services further enhance their value proposition, providing design support and material selection expertise to their clients. Marco Rubber & Plastics is ISO 9001:2015 certified, demonstrating their commitment to quality management and continuous improvement in their operations.

9. Hi-Tech Seals

• Website: hitechseals.com
• Ownership type: Corporate
• Headquarters: Edmonton, Alberta, Canada
• Employee distribution: Canada 85%, United States (USA) 15%
• Latest funding: January 2020
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: hi-tech-seals

Hi-Tech Seals Inc., based in Edmonton, Alberta, Canada, is a manufacturing company that specializes in sealing and gasket components. Founded in 1990, the company has built a reputation for providing a wide array of products, including O-rings, gaskets, and custom moulded solutions. Their primary clientele includes businesses in the oil and gas, automotive, and industrial sectors. Hi-Tech Seals prides itself on its quality assurance and rapid prototyping capabilities, which allow them to respond swiftly to customer demands. The company also offers a variety of services, such as kit creation and optical measurement inspection, further enhancing their value proposition in the market. With a workforce of approximately 113 employees, Hi-Tech Seals operates primarily in Canada, with a smaller presence in the United States. Their strategic focus on innovation and customer service has enabled them to maintain relevance in a competitive industry.

10. Seal & Design Inc

• Website: sealanddesign.com
• Ownership type: Private
• Headquarters: Clarence, New York, United States (USA)
• Employee distribution: United States (USA) 97%, Canada 3%
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: seal-%26-design-inc

Seal & Design Inc, founded in 1988 and based in Clarence, New York, is a manufacturer and distributor that specializes in sealing products such as gaskets, O-rings, and molded products. The company serves a variety of industries, including automotive, medical, HVAC, and mass transit, providing customized solutions to meet specific customer requirements. With a workforce of approximately 107 employees, Seal & Design emphasizes engineering expertise and collaboration with clients to ensure optimal product performance. Their extensive product range includes elastomeric compounds, thermal materials, and PTFE gasketing materials, among others. The company holds several certifications, including ISO 9001:2015 and IATF 16949:2016, which highlight their commitment to quality and compliance with industry standards. Seal & Design Inc has established itself as a reliable partner for businesses seeking high-quality sealing solutions.

11. Engineered Seal Products

• Website: espint.com
• Ownership type: Corporate
• Headquarters: Cedar Rapids, Iowa, United States (USA)
• Employee distribution: United States (USA) 57%, India 36%, China 5%, Other 1%
• Latest funding: September 2019
• Founded year: 1969
• Headcount: 51-200
• LinkedIn: esp-international

Engineered Seal Products, based in Cedar Rapids, Iowa, is a manufacturing company that specializes in the production of seals and gaskets tailored for various industries, including Oil & Gas, Agriculture, and Aerospace. Founded in 1969, the company has built a reputation for providing reliable sealing solutions that meet the rigorous demands of its clients. Their product offerings include radial shaft seals, O-rings, hydraulic and pneumatic seals, gaskets, and custom molded rubber products. Engineered Seal Products also emphasizes custom design and development, allowing them to cater to specific client requirements. With a workforce of approximately 138 employees, the company operates under an employee ownership model, which fosters a culture of accountability and commitment to quality. Their services extend beyond manufacturing, including assembly, global services, and vendor-managed inventory, further solidifying their role in the sealing solutions market.

12. Unigomma Srl

• Website: unigomma.it
• Ownership type: Private
• Headquarters: Villongo, Lombardy, Italy
• Employee distribution: Italy 100%
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: unigomma-srl

Unigomma Srl, founded in 1990, is a rubber manufacturer based in Villongo, Lombardy, Italy. The company specializes in the production of customized rubber products, o-rings, and industrial gaskets, catering to a variety of sectors including automotive, food processing, and hydraulics. With a workforce of around 16 employees, Unigomma emphasizes quality and innovation in its manufacturing processes. They utilize advanced injection and compression molding techniques, ensuring that their products meet the specific needs of their clients. Unigomma is committed to maintaining high standards, as evidenced by their certifications in ISO 9001:2015 and IATF 16949:2016. The company prides itself on its Italian manufacturing roots, ensuring that all production is conducted locally to guarantee quality and reliability. Their extensive experience and focus on customer satisfaction make them a notable player in the rubber gasket and seal industry.

13. Eastern Seals (UK) Ltd

• Website: easternseals.co.uk
• Ownership type: Corporate
• Headquarters: Ashington, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: April 2016
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: eastern-seals-uk-ltd

Eastern Seals (UK) Ltd, founded in 2007 and based in Ashington, England, specializes in the manufacture and supply of sealing products. Their product range includes O-Rings, gaskets, and custom rubber mouldings, catering to critical sectors such as Aerospace, Automotive, and Oil & Gas. The company emphasizes operational integrity and safety through its sealing solutions. With a robust online store, Eastern Seals facilitates direct purchases and provides extensive product information to support its customers. Their commitment to quality is evident in their adherence to a Quality Management System (QMS), ensuring consistent delivery of high-quality products. Eastern Seals also offers a variety of materials for their products, including advanced compounds suitable for demanding applications. This positions them as a significant player in the rubber gasket and seal industry.

14. Ten-fluid Srl

• Website: ten-fluid.it
• Ownership type: Private
• Headquarters: Villongo, Lombardy, Italy
• Employee distribution: Italy 100%
• Founded year: 1984
• Headcount: 51-200
• LinkedIn: ten-fluid-srl

Ten-fluid Srl, founded in 1984 and based in Villongo, Lombardy, Italy, is a manufacturer dedicated to producing custom seals and gaskets tailored to the needs of various industries. The company serves sectors such as automotive, hydrosanitary, pneumatics, and mechanics, showcasing its ability to adapt to different market demands. With a workforce of around 29 employees, Ten-fluid emphasizes high-quality production, utilizing advanced materials and technologies to ensure that its products meet stringent international standards. The company is certified under ISO 9001 and IATF 16949, reflecting its commitment to quality management and automotive industry requirements. Ten-fluid's focus on continuous innovation and customer satisfaction positions it as a reliable partner for businesses seeking specialized sealing solutions.

15. TRP Sealing Systems Ltd

• Website: trpsealing.com
• Ownership type: Family Owned
• Headquarters: Hereford, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 63%, India 37%
• Founded year: 1980
• Headcount: 201-500
• LinkedIn: trp-sealing-systems-ltd

TRP Sealing Systems Ltd, based in Hereford, England, has established itself as a prominent manufacturer of rubber sealing solutions since its inception in 1980. The company specializes in producing a wide array of products, including rubber bonded products, gaskets, and seals, tailored for industries such as automotive, pharmaceuticals, and food processing. With a workforce of approximately 400 employees across multiple global locations, including India, China, and Romania, TRP is well-equipped to meet the demands of its international customer base. The company prides itself on its engineering and design capabilities, offering bespoke solutions that address specific client requirements. TRP's commitment to quality is evident in its advanced laboratories and manufacturing facilities, which enable them to innovate and improve their product offerings continuously. Their extensive experience and technical expertise make them a trusted partner for many blue-chip engineering companies.

16. Techno Ad

• Website: technoad.com
• Ownership type: Private
• Headquarters: Rishon Letsiyon, Center, Israel
• Employee distribution: Israel 100%
• Founded year: 1963
• Headcount: 11-50
• LinkedIn: techno-ad

Techno Ad, based in Rishon Letsiyon, Israel, has been a player in the sealing solutions market since its establishment in 1963. The company specializes in the manufacture of O-rings, custom molded parts, and a variety of rubber products. Techno Ad serves multiple industries, including waterworks, medical, aerospace, automotive, and chemical processing, providing high-quality sealing solutions tailored to meet specific customer needs. Their product offerings include not only standard O-rings but also quad rings, back-up rings, diaphragms, and flange gaskets, among others. Techno Ad emphasizes engineering support and problem-solving for sealing requirements, which enhances their value proposition in the market. The company operates with a workforce of 11-50 employees and maintains a strong local production capability, complemented by an international network of suppliers. This combination allows Techno Ad to efficiently fulfill customer demands while adhering to various industry standards.

17. Retentores Inhasz Industria e Comercio Ltda

• Website: inhasz.com.br
• Ownership type: Private
• Headquarters: Sao Paulo, Sao Paulo, Brazil
• Employee distribution: Brazil 100%
• Founded year: 1945
• Headcount: 11-50
• LinkedIn: retentores-inhasz-industria-e-comercio-ltda

Retentores Inhasz Industria e Comercio Ltda, established in 1945, is a Brazilian manufacturer based in São Paulo, specializing in sealing solutions and components. The company produces a wide array of products, including gaskets, seals, and industrial cordons, primarily serving business customers in sectors such as agriculture, automotive, and oil and gas. With a workforce of 11 to 50 employees, Inhasz emphasizes quality and customer satisfaction, adhering to both Brazilian and international standards. Their production capabilities include advanced vulcanization processes and automated finishing, ensuring high precision and quality in their offerings. The company operates multiple branches in Brazil, enhancing its reach and service capabilities within the local market.

18. Gmors

• Website: gmors.com
• Ownership type: Private
• Headquarters: Taiwan
• Employee distribution: Taiwan 46%, Philippines 8%, Ecuador 8%, Other 38%
• Founded year: 1986
• Headcount: 1001-5000
• LinkedIn: gmors

Gmors, founded in 1986 and based in Taiwan, is a manufacturer of rubber components that specializes in high-quality sealing solutions. The company serves a variety of industries, including automotive, healthcare, food, and oil and gas. Gmors offers a wide array of products such as O-rings, hydraulic seals, gaskets, and medical seals, catering to businesses that require reliable and compliant rubber components. Their manufacturing processes are supported by advanced technologies, including cleanroom environments for healthcare products and rigorous quality control measures. Gmors has also achieved various industry certifications, ensuring that their products meet stringent safety and performance standards. With a workforce distributed across several countries, Gmors is well-positioned to serve global markets and respond to diverse customer needs.

19. Ts International Srl

• Website: tsinternationalsrl.it
• Ownership type: Private
• Headquarters: Sovere, Lombardy, Italy
• Employee distribution: Italy 100%
• Founded year: 1997
• Headcount: 11-50
• LinkedIn: ts-international-srl

Ts International Srl, based in Sovere, Lombardy, Italy, has been a dedicated manufacturer of rubber seals and gaskets since its inception in 1997. The company specializes in producing custom rubber products tailored to meet the specific needs of various industries, including automotive, electronics, healthcare, and food packaging. With a workforce of 11 to 50 employees, Ts International emphasizes innovation through its unique SPO™ (Seal Performance Optimization) service, which aims to enhance the performance of seals while reducing costs and improving assembly efficiency for its clients. The company prides itself on its ability to support clients in increasing the performance and durability of their products through high-quality rubber solutions. Ts International has built a reputation for reliability and technical expertise, serving approximately 94 companies and maintaining long-term relationships with its clients. Their commitment to continuous improvement and staff training further underscores their role as a significant player in the rubber gasket and seal manufacturing industry.

20. LAV.EL GOMMA S.r.l.

• Website: lavelgomma.it
• Ownership type: Private
• Headquarters: Cologne, North Rhine-Westphalia, Germany
• Employee distribution: Italy 94%, Germany 6%
• Founded year: 1973
• Headcount: 51-200
• LinkedIn: lav.el-gomma-s.r.l.

LAV.EL GOMMA S.r.l. is a manufacturer based in Cologne, North Rhine-Westphalia, Germany, specializing in rubber seals and gaskets for a variety of industrial applications. Established in 1973, the company has built a strong presence in sectors such as oil and gas, medical, automotive, and food and beverage. LAV.EL GOMMA emphasizes quality control throughout its production process, ensuring that each product meets stringent safety and reliability standards. The company offers custom solutions tailored to specific client requirements, showcasing its flexibility and customer-centric approach. With a workforce of approximately 50 employees, LAV.EL GOMMA operates primarily in Italy, with a smaller presence in Germany. Their commitment to innovation is evident in their investment in research and development, as well as their use of advanced production techniques. The company holds numerous certifications that validate the quality and safety of their products, particularly for applications involving potable water and gas. This focus on compliance and quality positions LAV.EL GOMMA as a significant player in the rubber gasket and seal manufacturing industry.

21. Rubber Fab

• Website: rubberfab.com
• Ownership type: Corporate
• Headquarters: Sparta, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: April 2016
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: rubber-fab

Rubber Fab Technologies Group, founded in 1995, is based in Sparta, New Jersey. The company specializes in manufacturing sanitary seals and hoses tailored for industries such as food processing and pharmaceuticals. Their product line includes a variety of gaskets, o-rings, and technical services aimed at ensuring compliance with industry regulations. Rubber Fab is particularly noted for its innovative products, including the Smart Gasket® and the Detectomer® family, which are designed to enhance safety and efficiency in production processes. The company has established a reputation for quality, as indicated by their ISO 9001 certification, and they actively engage in providing technical support and custom solutions to meet specific customer needs. Rubber Fab's focus on the food and pharmaceutical sectors positions them as a key player in the rubber gasket and seal manufacturing industry.

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