- Iowa
- Service Roofing Co.
- Central States Roofing Co.
- White Roofing Co. Inc.
- DR and C Inc.
- D.C. Taylor Co.
- Iowa Roofing Contractors Association
- Mountain Peak Home Improvements
- WindSmart LLC
- Kenco Home Improvement
- LJ Roth Reconstruction
- Level Construction NE
- Terracon Consultants Inc.
- Young Construction of North Iowa Inc.
- Nohava Construction Inc.
- Tri-County Enterprises Inc.
- GC3 LLC
- 33 Carpenters Construction
- Draco Engineering
- Roof Management
- JLH Enterprises
- Hedrick Construction Inc.
- Hahn Roofing Inc.
- Jim Giese Commercial Roofing Co. Inc.
- Advance Builders Corp.
- R.L. Craft Co. Inc.
- H&S Roofing Co. Inc.
- Triple 'C' Roofing Inc.
- West Central Roofing Inc.
- Building Solutions PLC
- Moss Roofing & Insulation Inc.
- Academy Roofing & Sheet Metal Co.
- Bailey Roofing Contractors Inc.
- Roofing Technology Inc.
- Brockway Mechanical & Roofing Co. Inc.
- Gannon Roofing Supply Inc.
- Benchmark Inc.
- Northern Cedar Service Co. Inc.
- Dryspace Inc.
- T&K Roofing & Sheet Metal Co.
- Imperial Roof Systems Co.