• Amthor International
• Badger Vacuum Trucks
• Century Tank & Trailer, LLC
• Custom Boom Elbows Holdings Inc.
• Equipment Sales, LLC
• Freightliner Trucks A Div. of Daimler Trucks NA
• GapVax, Inc.
• Gardner Denver
• Guzzler Manufacturing
• Hunter Truck Sales & Service, Inc.
• Imperial Industries, Inc.
• J&J; Truck Bodies & Trailers
• Jack Doheny Supplies
• KeeVac Industries, Inc.
• Keith Huber Corporation
• Lely Manufacturing, Inc.
• Pik Rite, Inc.
• Progress Vactruck
• Super Products LLC
• Three Lakes Truck & Equipment, Inc.
• Tri State Tank
• V & H, Inc.
• Vacall
• Vacuum Sales, Inc.
• Wastequip
• Watson Diesel