- American Tank Company LLC
- Cape Cod Biochemical Company
- Comforts of Home Services, Inc.
- FlowMark Vacuum Trucks
- Imperial Industries, Inc.
- KeeVac Industries
- Marsh Industrial
- Milwaukee Rubber Products, Inc.
- Norweco, Inc.
- Pik Rite, Inc.
- PolyJohn
- PortaLogix
- R. Nesbit Portable Toilets
- Robinson Vacuum Tanks Inc.
- Superior Signal Company LLC
- Surco Portable Sanitation Products
- T.S.F. Company, Inc.
- Tank World Corp
- TankTec
- TSI Tank Services, Inc.
- Vacuum Sales, Inc.
- Vacuum Tank Sales
- Walex Products Company, Inc.
