Since its incorporation in Willoughby, Ohio, in 1979, G-M-I, Inc. has built its identity around dependable sealing materials for demanding industrial applications. The company has worked from its present facility since 1983, supplying custom gaskets to sectors such as food processing, beverage production, and healthcare. Its quality system conforms to ISO 9001 and FDA 21 CFR 820 cGMP requirements.
ISO 9001
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FDA 21 CFR 820 cGMP Quality System Regulations
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FDA
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USDA
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3-A Sanitary
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USP Class VI
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ANSI/NSF
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British Standards
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European Union Standards
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Newman Sanitary Gasket CompanyFounded in 1973, family-owned Newman Sanitary Gasket Company manufactures high-purity sanitary gaskets, O-rings, diaphragms and custom seals at its Lebanon, Ohio facilities. The company has focused exclusively on high-purity processing for decades, developing proprietary compounds and working with customers on process-specific sealing solutions for pharmaceutical, food and beverage applications. Newman’s products are FDA and USP Class VI compliant, with manufacturing controlled under ISO 9001:2015 certification and supported by batch traceability and specialized testing.LEBANON, OH
Columbus GasketFounded in 1975 as Columbus Gasket and Supply, Columbus Gasket manufactures custom gaskets, seals and molded parts for industrial and manufacturing customers across the Midwest and North America. Its specialty shop combines more than 80 years of team experience with hand-cut work for unusual parts, while modern cutting and forming equipment supports both small custom jobs and large production runs. Since its 2023 acquisition by Cleveland-area Essential Sealing Products, the company has continued expanding its materials and customization options.COLUMBUS, OH
Phoenix AssociatesFor more than 35 years, Phoenix Associates has manufactured gaskets and seals in the United States, specializing in custom solutions for difficult applications as well as OEM production runs. The Chagrin Falls company converts customer-specified materials into sealing components, including unusual vulcanized profiles and intricate computer-cut parts. Phoenix operates an ISO 9001:2015-certified facility and maintains 30 standard presses plus four NorMec machines for sponge-rubber work.CHAGRIN FALLS, OH
Seal & Design IncFor more than 30 years, Seal & Design Inc. has built its reputation as an engineering-minded sealing partner with four divisions across the United States and Canada. The company develops custom gaskets and other sealing components for manufacturers in fields where quality systems and dependable delivery matter, including automotive, rail, defense and medical production. Seal & Design has maintained IATF 16949 certification since 2003, alongside ISO 9001:2015 certification.CLARENCE, NY