- American Jetter
- Armstrong Equipment, Inc. / Garnet Instruments
- Comet
- COXREELS
- General Pump
- KeeVac Industries
- Milwaukee Rubber Products, Inc.
- North American Trailer
- Omega Liquid Waste Solutions
- Pressure Lift Corporation
- ProPulse
- Suttner America Company
- Tank World Corp
- Vacuum Sales, Inc.
- Valley Industries
