| Company Name | Address |
|---|---|
| American National Standards Institute | 1819 L Street, NW Suite 600 Washington, DC 20036 |
| American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Ltd. | 1791 Tullie Circle N.E. Atlanta, GA 30329 |
| American Society for Testing and Materials | 100 Barr Harbor Drive West Conshohocken, PA 19428-2959 |
| Building Officials Code Administrators International | 4051 West Flossmoor Road Country Club Hills, IL 60478 |
| Canadian Standards Association | Locations available here |
| U.S. Department of Housing and Urban Development | 451 7th Street S.W. Washington, DC 20410 |
| International Association of Plumbing & Mechanical Officials | 20001 E Walnut Drive South Walnut, CA 91789-2825 |
| International Conference of Building Officials | 5360 Workman Mill Road Whittier, California 90601-2298 |
| International Code Council | 5203 Leesburg Pike, Suite 600 Falls Church, VA 22041 |
| Institute for Research in Construction National Research Council of Canada | 1200 Montreal Road Ottawa, ON K1A 0R6 |
| International Organization for Standardization (ISO) | 1, rue de Varembé, Case postale 56 CH-1211 Geneva 20, Switzerland |
| National Association of Home Builders | 1201 15th street, NW Washington, DC 20005 |
| NSF International | P.O. Box 130140 789 N. Dixboro Road Ann Arbor, MI 48113-0140 |
| Plastic Pipe and Fittings Association | Building C, Suite 20 800 Roosevelt Road Glen Ellyn, Illinois 60137 |
| Radiant Panel Association | PO Box 717 Loveland, CO 80539 |
| Solvay | |
| Southern Building Code Congress International | 900 Montclair Road, Birmingham, Alabama 35213-1206 |
| Underwriters Laboratories Ltd. | USA Corporate Headquarters 333 Pfingsten Road Northbrook, IL 60062-2096 USA |
