- American Tank Company LLC
- Crescent Tank Mfg.
- Engine & Accessory, Inc.
- FlowMark Vacuum Trucks
- Imperial Industries, Inc.
- ITI Trailers & Truck Bodies, Inc.
- KeeVac Industries
- Marsh Industrial
- Matthews Motors
- Pik Rite, Inc.
- PortaLogix
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- TankTec
- Tank World Corp
- TSI Tank Services, Inc.
- Vacuum Sales, Inc.
- Vacuum Tank Sales
