- Maryland
- The Conway Corp.
- F.A. Taylor & Son Inc.
- Ruff Roofers Inc.
- Tecta America East LLC - Baltimore
- Krupnik Brothers Inc.
- The Fick Brothers Roofing Co.
- Cole Roofing Co. Inc.
- Bollinger Bros Roofing Contractors
- Blair Construction LLC
- Homefix Corp.
- S-E-A Limited
- S&K Roofing Siding and Windows Inc.
- Honza Group Inc.
- Robert D. Greenberg, PA
- Windward Exteriors
- Ruff Roofing Co. Inc. (Ron)
- RRH Associates LLC Roofing & Construction Services
- Simpson of Maryland Inc.
- DJB Contracting Inc.
- Lumbee Solutions
- Greater Bay Contracting
- American Home Contractors
- Spicer Bros Construction Inc.
- Classic Exteriors Inc.
- Roof PRO LLC
- DNB Construction LLC
- Nations Roof
- Barrier Roofing and Sheet Metal Inc.
- Catanzaro Engineering
- Garner Roofing Company LLC
- MTD and Associates, LLC
- Roofing and Sustainable Systems Inc.
- Mylander Builders LLC
- Dipietri Contractors Inc.
- IronShore Contracting LLC
- Arocon Roofing and Construction
- The Atlantic Remodeling Corp.
- Annapolis Exteriors Inc.
- Engineering and Technical Consultants
- Rimkus Consulting Group Inc.
- Tecta America East LLC - Fruitland
- Manta Consulting .
- The Widmayer Co. Inc.
- Politz Enterprises
- Peninsula Roofing Co. Inc.
- Roof Solutions Inc.
- James Myers Co. Inc.
- Mid Atlantic Roofing Contractors Association
- H.T. Harrison & Sons Inc.
- Joseph Walker
- Shumaker Roofing Co.
- CitiRoof Corp.
- University of Maryland
- Commercial Roofing & Sheet Metal Co. Inc.
- James R. Walls Contracting Co. Inc.
- Columbia Roofing Inc.
- Gale Associates Inc.
- Turner Roofing Co.
- D&M Roofing Enterprises Inc.
- P.J. McTavish & Co. Inc.
- J.E. Wood & Sons Co. Inc.
- J.S. Wagner Co. Inc.
- Orndorff & Spaid Inc.
- R.D. Bean Inc.
- Tecta America East LLC - Jessup
- Brothers Services Co.
- Structural Rehabilitation Group LLC