- Acculube
- Accurate Products
- Adaptall
- American Biltrite Ltd.
- American Packing & Gasket
- American Valve, Inc.
- Amflo-Plews
- Anderson Fitting
- Anderson Metals Corp.
- Armstrong Hose
- Bandit/Index Inc.
- Banjo Corp.
- Bedford Precision Parts
- Bee Valve Inc.
- Belt Conveyor Guarding CO.
- Bentley Harris
- Bradford Sanitary Fittings
- Charter Pipe
- Cherokee Rubber
- Coating Systems
- Coil Hose Pneumatics
- Crane-Resistoflex
- Crown Matting
- Darco Southern
- Dichtomatik
- Durabelt Inc.
- Eaton Corporation
- Federal Hose Mfg.
- Flexible Metal Hose
- Goodyear Hose
- Hannay Reels
- HBD / Thermoid
- Heyco Products
- Holz Rubber Co.
- Home Rubber
- Ideal Clamps
- Industrial Screw Conveyors
- Interlube
- Kanaflex
- Kentak Products Co.
- Kern Polymeric Products
- Legend Valve & Fittings
- Legris Fittings
- LGV Coupling
- Maxi-Lift Inc.
- McAllister Mills
- Mercer Rubber
- Mid-America Fittings
- Minor Rubber Co. Inc.
- Novaflex Hose
- Novex, Inc.
- Nycoil
- OH Metal Hose
- Pacific Echo Inc.
- Proco Products Inc.
- PSI Urethanes Inc.
- PT Coupling Co. Inc.
- Quality Pipe Products
- Rainfair LaCrosse
- Reelcraft
- Rubberlite Inc.
- Seal Plastics
- Senior Flexonics Inc.
- Snap-Tite Inc.
- Specifications Seals
- SSP Fitting Corp.
- Tapco Inc.
- Tennessee Mat Co.
- Tom Pac Inc.
- Tompkins Industries
- United Electric