Pumps - Vacuum Pressure
- Armstrong Equipment, Inc.
- Davidson Tank
- Dultmeier Sales
- Fruitland Manufacturing
- Integrity Tank Sales & Service Inc.
- Liquid Waste Industries, Inc.
- Milwaukee Rubber Products, Inc.
- National Vacuum Equipment
- Presvac Systems
- Robinson Vacuum Tanks Inc.
- Satellite Industries
- Tank World Corp
- TankTec
- VARCo
- Westmoor Ltd.