- Advance Pump & Equipment, Inc.
- American Tank Company LLC
- Crescent Tank Mfg.
- Davidson Tank
- FlowMark Vacuum Trucks
- Guzzler Manufacturing, Inc.
- HotJet USA
- Huber Corporation
- Hydra-Flex, Inc.
- Imperial Industries, Inc.
- Joe Johnson Equipment
- KeeVac Industries
- Marsh Industrial
- Milwaukee Rubber Products, Inc.
- National Vacuum Equipment
- Pik Rite, Inc.
- Pressure Lift Corporation
- Presvac Systems
- Progress (Powered by Garsite)
- R.A. Ross NE
- Robinson Vacuum Tanks Inc.
- Tank World Corp
- TankTec
- Transway Systems Inc.
- TSI Tank Services, Inc.
- United Tank Trailer
- Vactor Manufacturing
- Vacuum Sales, Inc.
- VARCo
- Westmoor Ltd.
