- Advance Pump & Equipment, Inc.
- Cam Spray
- Davidson Tank
- Garnet Instruments
- HotJet USA
- Huber Corporation
- Hydra-Flex, Inc.
- Imperial Industries, Inc.
- Joe Johnson Equipment
- KeeVac Industries
- Lane's Vacuum Tank, Inc.
- Marsh Industrial
- Milwaukee Rubber Products, Inc.
- National Vacuum Equipment
- Pik Rite, Inc.
- Pressure Lift Corporation
- Presvac Systems
- R.A. Ross NE
- Robinson Vacuum Tanks Inc.
- Slide In Queen
- Tank World Corp
- TankTec
- Transway Systems Inc.
- TSI Tank Services, Inc.
- TUF-TITE, Inc.
- USA Drains
- Vactor Manufacturing
- Vacuum Sales, Inc.
- VARCo
- Westmoor Ltd.
