Founded in 1979, I.W. Tremont Co., Inc. manufactures technical filtration and specialty media for laboratory, diagnostic, and analytical applications from its Hawthorne, New Jersey facility. Its material-science expertise spans glass microfiber, cellulose, and polymer media, with production that includes private-label and OEM programs as well as the LabExact® line. The company has maintained ISO 9001 registration since 2008 and operates ISO 9001:2015-registered, FDA cGMP-compliant manufacturing facilities.
ISO 9001:2015
FDA cGMP-compliant facilities
Compliance program
FDA-approved facility
Compliance program
FDA-grade manufacturing capabilities
Compliance program
FDA
Quality certification
Midwest FiltrationFor more than 35 years, Cincinnati-based Midwest Filtration has made nonwoven media and engineered filtration products, pairing a 180,000-square-foot Ohio production facility with an in-house testing lab. The company keeps more than 20 million yards of raw material in stock across 500-plus product types, helping customers manage supply needs while its technical team develops application-specific media solutions. Midwest Filtration is ISO 9001:2015 certified.WEST CHESTER, OH
R.P. Fedder IndustrialSince 1959, Rochester-based R.P. Fedder Industrial has designed and manufactured custom and OEM filters, with its roots in the toner-bag filters made for early Xerox machines. The company also stocks and distributes standardized filtration equipment and has spent more than 40 years designing cleanrooms and clean workstations, including some of the first in the Greater Rochester area. R.P. Fedder is ISO 9001:2015 certified for custom-filter design and manufacture and joined the Rensa family in 2023.ROCHESTER, NY
Lamports Filter Media, IncSince 1928, Cleveland-based Lamports Filter Media has manufactured filter bags, filter cloths, filter discs and other engineered filtration products. As a specialty cut-and-sew house rather than a distributor, it makes made-to-order replacement and custom filtration media for both small and large production runs. Its sewing department can work from a customer drawing or develop a filter from start to finish, with particular experience matching replacement media to existing industrial equipment.CLEVELAND, OH
Towner FiltrationKnown as “The Filter People,” Towner Filtration has served industrial customers since 1953. Its Twinsburg team helps manufacturers and other heavy-industry operations solve filtration problems, including through custom filter media designed to extend service life and improve process quality.TWINSBURG, OH