United Association - The home page of the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada.

Mechanical Contractors Association of America - Their more than 1,800 members are dedicated to excellence and committed to quality. MCAA members deliver construction that moves quickly, efficiently, problem free and safe. 

Occupational Safety & Health Administration - OSHA strives to eliminate workplace injuries, illnesses, and deaths so that all of America's workers can return home safely every day. Their goal is to identify workplace safety and health problems and apply a comprehensive strategy that combines common sense regulation; a firm, fair, and consistent enforcement policy.

U.S. National Labor Relations Board - The NLRB is an independent Federal agency created in 1935 to enforce the National Labor Relations Act.

National Automatic Sprinkler Industry Trust Funds - The NASI Trust Funds provide our pension and health care benefits.

National Fire Sprinkler Association - Information on fire sprinklers (commercial and residential) with over 60 free articles, case studies, and other publications. Includes company directories, sprinkler ordinances from around the country, specific sprinkler specification listings and manufacturers, an online catalog for products (such as fire protection handbooks, inspection forms, etc.) and registration for upcoming seminars (AIA and NICET certified).