- A Restroom Trailer Co. (ART Co.)
- AirVote
- AMERI-CAN Engineering
- Armal, Inc.
- Comforts of Home Services, Inc.
- J&J Portable Sanitation Products
- Lang Specialty Trailers
- Lock America, Inc.
- NRT Sales LLC
- Optimus Industries, LLC - OI Restrooms
- PolyJohn
- Portable Sanitation Association International
- Ready2Go Trailer Sales LLC
- Satellite Industries
- Surco Portable Sanitation Products
- T.S.F. Company, Inc.
- Voyager Mobile Restrooms
- Walex Products Company, Inc.
