- Aeroquip
- Alemite
- Berarma
- Bijur Centralized Lubrication Equipment
- Char Lynn
- Daman Products Company
- Darlex
- Delimon
- Delta Computer Systems
- Deltrol Fluid Products
- DMIC
- Eaton
- Enfield Technologies
- Eskridge Inc.
- Farval
- Fluid Power Associates
- Graco (Formerly Known As Trabon, Manzel, Lubriquip)
- Hawe
- Hedland
- Lenze AC Tech
- Linde Hydraulics
- Magnaloy Coupling Company
- Manzel Lubrication (Formerly Lubriquip)
- Micromatic’s Rotac & Hydroac
- Moog Ohio Oscillator
- MTS Sensors
- Nason
- Noshok, Inc.
- Oildyne
- Oilgear Company
- Olaer Company
- Pall Corporation
- Parker Dyval
- Pinnacle
- Pressroom Electronics
- Ross Controls
- S.G. Morris
- SAI Hydraulics
- Sprague Products Curtiss Wright
- Stucchi Couplings
- Thermal Transfer Products
- Tobul Accumulator, Inc.
- Trabon Lubrication (Formerly Lubriquip)
- Vickers
- Voith
- Von Ruden Manufacturing, Inc.
- Wandfluh
- Webster Instruments




