Links
- Honesty Environmental Services
- City of Houston
- Roof Consultants Institute
- National Roofing Contractors Association
- Asphalt Roofing Manufacturers Association
- Asphalt Institute
- American Society for Testing and Materials
- Masonry Advisory Council
- Building Officials and Code Administrators International (BOCA)
- Council of American Building Officials (CABO)
- International Council of Building Officials (ICBO)
- Code Check
- U.S. Occupational Safety and Health Administration (OSHA)
- National Paint and Coatings Association (NPCA)
- Polyisocyanurate Insulation Manufacturers Association (PIMA)
- Single Ply Roofing Institute
- Roofing Contractor