- Crescent Tank Mfg.
- Engine & Accessory, Inc.
- FlowMark Vacuum Trucks
- GapVax, Inc.
- Guzzler Manufacturing, Inc.
- Hi-Vac Corporation
- HotJet USA
- Howden, A Chart Industries Company
- Imperial Industries, Inc.
- ITI Trailers & Truck Bodies, Inc.
- Joe Johnson Equipment
- Marsh Industrial
- Matthews Motors
- Pik Rite, Inc.
- Presvac Systems
- Rentix Solutions
- Satellite Industries
- Super Products LLC
- Transway Systems Inc.
- Vacuum Sales, Inc.
