Filtration Technology
    Absolute rated filters
Filtration Inc.
    Wound cartridges
    Meltblown cartridges
Filtration Systems
    Coalescer, sock, and air filters
Consler
    Air intake, coalescing filters and separators, custom
    designs, and filter housings
Filter Technology
    Bag filters
Rosedale
    Bag filter housings
Columbine Control Company
    Level, flow, pressure, temperature, and gas handling equipment