- AMERI-CAN Engineering
- American Tank Company LLC
- FlowMark Vacuum Trucks
- Imperial Industries, Inc.
- KeeVac Industries
- Lane's Vacuum Tank, Inc.
- Matthews Motors
- Milwaukee Rubber Products, Inc.
- National Vacuum Equipment
- Pik Rite, Inc.
- Portable Sanitation Association International
- PortaLogix
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Tank World Corp
- Vacuum Tank Sales
- VARCo
