Pumps - Vacuum Pressure
- A.R. North America, Inc.
- Advance Pump & Equipment, Inc.
- Armstrong Equipment, Inc.
- Com Vac Systems Inc
- Davidson Tank
- Elmira Machine Industries / Wallenstein Vacuum
- Engine & Accessory, Inc.
- Fruitland Manufacturing
- House of Imports
- Howden
- Imperial Industries, Inc.
- ITI Trailers & Truck Bodies, Inc.
- Lincoln Center Manufacturing, LLC/Marengo Fabricated Steel
- Marsh Industrial
- Milwaukee Rubber Products, Inc.
- Moro USA, Inc.
- National Vacuum Equipment
- Pressure Lift Corporation
- Presvac Systems
- Progress Tank
- R.A. Ross & Associates NE, Inc.
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Tank World Corp
- TankTec
- Transport Truck Sales, Inc.
- Transway Systems Inc.
- TSI Tank Services, Inc.
- Vacuum Sales, Inc.
- VARCo
- Westmoor Ltd.