| carpet-rug.com | Carpet and Rug Institute |
| ascr.org | ASCR. Association of Specialists in Cleaning and Restoration |
| pcuca.org | PCUCA. Professional Carpet and Upholstery Cleaners Association |
| nafcd.org | NAFCD. National Association of Floor Covering Distributors |
| fcica.com | FCICA. Floor Covering Installation Contractors Association |
| canadiancarpet.org | CCI. Canadian Carpet Institute |
| nicfltd.org.uk | NIDF. National Institute of Carpet and Floor Layers |
| nadca.com | Nadca - National Air Duct Cleaners Association |
| mehrc.org | MidAtlantic Environmental Hygiene Resource Center (MEHRC) |
| issa.com | International Sanitary Supply Association. |
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