- Amco Engineering Co
- Blimpie Subs & Salads
- Dial One Signature Homes
- Express Modular Systems
- Express Modular Systems
- Hawaii Modular Space Inc
- Houston Modular Systems LTD
- Houston Modular Systems LTD
- Lacalhene Inc
- Modtech
- Modular Office Solutions
- RMD Mfg
- Tigerwall Inc
- Wilkins Mobile Builders Inc
- Williams Scotsman