Slide-in Units
- Advance Pump & Equipment, Inc.
- American Tank Company LLC
- Crescent Tank Mfg.
- Davidson Tank
- Fruitland Manufacturing
- Imperial Industries, Inc.
- KeeVac Industries
- Lane's Vacuum Tank, Inc.
- Lincoln Center Manufacturing, LLC/Marengo Fabricated Steel
- Marsh Industrial
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Slide In Queen
- Tank World Corp
- TankTec
- TSI Tank Services, Inc.
- Vacutrux Limited
- Vacuum Sales, Inc.