- Massachusetts
- CBI Consulting Inc.
- Robert L. Green Inc.
- RKW Danafilms Inc.
- John F. Shea Co. Inc.
- Simpson Gumpertz & Heger Inc.
- OMG Roofing Products
- G.F. Sprague & Co. Inc.
- Aqua Barriers Inc.
- RMX Northeast Inc.
- J&S Building Exteriors Inc.
- Jacobs Engineering
- Coastal Windows & Exteriors Inc.
- Power Construction LLC
- J.N.R. Gutters Inc.
- Verisk
- Roofing King Inc.
- Capital Construction Contracting Inc.
- Golden Group Construction Corp.
- Atlantic Roof Consultants LLC
- Mahan Slate Roofing Co. Inc.
- CDR Maguire
- Architectural Roof Management Inc.
- Leavitt Associates Inc.
- FM Approvals
- Wiss Janney Elstner Associates Inc.
- Tecta America New England LLC - Hanover
- J.D. Rivet Co. Inc.
- Commonwealth Building Systems LLC
- MacDonald Sprague Roofing Co.
- Stephen J. Wessling Architects Inc.
- Greenwood Industries Inc.
- O'Lyn Contractors Inc.
- Ewing Associates
- Tech Roofing Service Inc.
- W.S. Aiken Inc.
- Marshall Roofing & Sheet Metal Co. Inc.
- M.J. Ambrose Enterprises Inc.
- Specialized Roofing Co. Inc.
- Scott Roofing Services Inc.
- Cazeault Roofing & Solar
- Capeway Roofing Systems
- GCP Applied Technologies Inc.
- Gibson's Roofs Inc.
- North/East Roofing Contractors Association
- Tecta America New England LLC - North Billerica
- Roof Maintenance & Systems Inc.
- Applied Roofing Systems Inc.
- Douglas J. Wooliver & Sons Inc.
- Penshorn Roofing Co. Inc.
- G. Brouillette & Son Inc.
- U.S. Roofing
- Stanley Roofing Co. Inc.