Associations/Groups
Association of United Window Cleaners
http://www.auwc.org/
International Window Cleaning Association
http://www.iwca.org/
Master Window Cleaners of America
http://www.mwcoa.com/
United Association of Mobile Contract Cleaners
http://www.uamcc.org/
Power Washers of North America
http://www.pwna.org/
National Association of Home Builders
http://www.nahb.org/
Federation of Window Cleaners
http://www.nfmwgc.com/index.html
Window Cleaning Resource Association
Window Cleaning Network
WDMA - Window and Door Manufactures Association
AAMA - American Architectural Manufacturers Association
Scratched Glass/Fabrication Debris
AUWC - Fabrication Debris
WCN - Scratched Glass
IWCA - Glass Issues
Dan Fields - Scratched Glass
Education
Occupational Safety and Health administration
U.S. Small Business Administration
U.S. department of Labor
Glass Association of North America
America National Standards Institute
Federation of Small Business - UK
Canadian Federation of Independent Business
The Business Association of Latin America Studies