Pumps - Vacuum Pressure
- Advance Pump & Equipment, Inc.
- Chandler Equipment
- Elmira Machine Industries / Wallenstein Vacuum
- Engine & Accessory, Inc.
- House of Imports
- Imperial Industries, Inc.
- KeeVac Industries
- Marsh Industrial
- Milwaukee Rubber Products, Inc.
- Moro USA, Inc.
- National Vacuum Equipment
- Pressure Lift Corporation
- Presvac Systems
- R.A. Ross & Associates NE, Inc.
- Robinson Vacuum Tanks Inc.
- Slide In Queen
- Tank World Corp
- TankTec
- Transport Truck Sales/Transport Tank Sales
- Transway Systems Inc.
- TSI Tank Services, Inc.
- Vacuum Sales, Inc.
- VARCo
- Westmoor Ltd.