- American Tank Company LLC
- FlowMark Vacuum Trucks
- Imperial Industries, Inc.
- Integrity Tank Sales & Service Inc.
- KeeVac Industries
- Marsh Industrial
- Ocean Truck Sales
- Pik Rite, Inc.
- Presvac Systems
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Tank World Corp
- TankTec
- Transway Systems Inc.
- TSI Tank Services, Inc.
- United Tank Trailer
- Vactor Manufacturing
- Vacuum Sales, Inc.
- Vacuum Tank Sales
