- Advance Pump & Equipment, Inc.
- American Tank Company LLC
- Bruder Tank
- Crescent Tank Mfg.
- Engine & Accessory, Inc.
- FlowMark Vacuum Trucks
- Guzzler Manufacturing, Inc.
- Hi-Vac Corporation
- Howden, A Chart Industries Company
- Imperial Industries, Inc.
- Integrity Tank Sales & Service Inc.
- ITI Trailers & Truck Bodies, Inc.
- KeeVac Industries
- Marsh Industrial
- Matthews Motors
- Omega Liquid Waste Solutions
- Pik Rite, Inc.
- Presvac Systems
- Rentix Solutions
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Slide-In Queen
- Super Products LLC
- TankTec
- Tank World Corp
- Transway Systems Inc.
- TSI Tank Services, Inc.
- Vactor Manufacturing
- Vacuum Sales, Inc.
- Vacuum Tank Sales
