Founded in 1982 by former Air Maze engineer Ed Kaiser Sr., KELTEC designs, manufactures, and distributes OEM-equivalent filtration and component solutions for industrial fluid-power and reliability systems. The Hudson company began with air-oil separators and has grown through mergers into what it describes as North America’s largest air-oil separator manufacturer, with custom engineering and more than 18,000 products matched to over 33,000 OEM numbers. Its operations run under an ISO 9001-certified quality management system and are supported by warehouses in Ohio, California, and Texas.
ISO 9001
Falls Filtration Technologies, IncSince 1927, Falls Filtration Technologies has manufactured air and liquid filtration products, building a distinctive history around oil bath filters and aerospace filtration. The Stow company pioneered an oil filter that achieved a perfect bearing test on aircraft engines, and one of its early Unimaze air-intake filters flew aboard the Spirit of St. Louis. Today, Falls designs filtration solutions for equipment ranging from engines and compressors to aircraft and locomotives, serving customers through distributors across the United States and Canada.STOW, OH
Schroeder IndustriesFounded in 1946 by brothers Bill and Jack Schroeder after World War II, Schroeder Industries designs and manufactures advanced fluid-conditioning solutions for hydraulic, fuel, and process systems. The Leetsdale-based family company grew from serving underground mines into a filtration specialist with manufacturing facilities in Pennsylvania and Maryland, more than 50 patent awards, and a history of pioneering fine-micronic hydraulic filtration. Its ISO 9001:2015-certified Fluid Care operation now pairs filtration equipment with diagnostics, oil analysis, and contamination-control services.339999LEETSDALE, PA
Filtra-Systems CompanyFounded in 1979, Filtra-Systems engineers and manufactures industrial filtration and separation equipment, with in-house manufacturing and installation for customer-specific processes. The company reports more than 29,500 installations and says its systems serve industrial operations across North America and worldwide.COLUMBUS, 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