- Aeroquip
- Alemite
- Bijur Delimon (Formerly Farval)
- Casappa
- Char Lynn
- Daman Products Company
- Darlex
- Delta Computer Systems
- Deltrol Fluid Products
- DMIC
- Duraforce Eaton (Formerly Linde Hydraulics)
- Eaton
- Eskridge Inc.
- Feroy
- Graco
- Hawe
- Hedland
- Lenze AC Tech
- Linde Hydraulics
- Magnaloy Coupling Company
- MTS Sensors
- Nason
- Noshok, Inc.
- Ohio Oscillator
- Oilgear
- Pall Corporation
- Parker Commercial & Gresen
- Parker Oildyne
- Parker Integrated Hydraulics & Colorflow Valves
- Parker Pulsar & Voac
- Pinnacle
- PQ Controls
- Ross Controls
- S.G. Morris
- SAI Hydraulics
- Sprague Products Curtiss Wright
- Stucchi Couplings
- Thermal Transfer Products
- Tobul Accumulator, Inc.
- Trabon Lubrication
- Vescor
- Vickers
- Von Ruden Manufacturing, Inc.
- Wandfluh
- Webtec
- White Drive Products




