American Fire Sprinkler Association
http://www.sprinklernet.org/

Compressed Gas Association
http://www.cganet.com/

Fire Suppression Systems Association
http://www.fssa.net/

International Marine Organization
http://www.imo.org/

National Association of Fire Equipment Distributors
http://www.nafed.org/

National Fire Protection Association
http://www.nfpa.org/

National Fire Sprinkler Association
http://www.nfsa.org/