- APOC
- BondCote
- Boral/Inspire
- Burkeline Roofing Systems
- Carlisle SynTec
- CertainTeed
- CIM
- Firestone Building Product
- Flex
- Flex Thermoplastic Single Ply
Roofing Systems - Gaco
- GAF
- Henry's
- Hydrostop Elastomeric Coatings
- IB Systems
- Johns Mansville
- Malarkey
- MB Technology
- Mule-Hide Products
- National Coatings
- Neptune
- Polyglass
- Sarnafil
- Siplast
- Tremco Incorporated
- Western Colloid
- ASSOCIATIONS
- NRCA (National Roofing Contractors Association)
- RCAH (Roofing Contractors Association Hawaii)
- WSRCA (Western States Roofing Contractors Association)