- AGI Industries
- Aviaid Oil Systems
- Aviaid Oil Systems
- B G & S Mfg
- Bell Enterprise Machine & Eqpt
- Bosch Rexroth Corp
- Bucks County Intermediate Schl
- Bucks County Intl
- BYAN Systems Inc
- Chem-Flow Inc
- Chem-Flow Inc
- CKD Createc Corp
- CKD Createc Corp
- Delta Power Hydraulic Co
- Drivecon Corp
- Eaton Corp
- Enertech
- Enertech
- Federal Pump Corp
- Federal Pump Corp
- Flojet Corp
- Flojet Corp
- Furrow Pump Inc
- Giant Industries Inc
- Hydraulic Mudpumps Inc
- Hydraulic Warehouse Inc
- Hydro-Kinetics Inc
- Interchange LLC
- Jamtek Inc
- Linde Hydraulics Corp
- Nichols Aircraft Div
- Nichols Portland
- Norman Equipment Co
- Oil-Air Products Inc
- Parker Hannifin Corp
- Parker-Hannifin Corp
- Permco Inc
- Planet Products Corp
- Rineer Hydraulics Inc
- Rineer Hydraulics Inc
- Robbins & Myers Inc
- Sartain Fluid Power Inc
- Standard Motor Products Inc
- Steering Specialty
- Sunsource Systems Technologies
- Von Ruden Mfg
- Waukesha Cherry Burrell
- Western Integrated Tech
- White Hydraulics Inc