Associations:

American Backflow Prevention Association
American Consulting Engineers Council
American Fire Sprinkler Association
American Society of Civil Engineers
American Society of Heating, Refridgeration, & A/C
American Society of Landscape Architects
American Society of Mechanical Engineers
American Society of Plumbing Engineers
American Society of Sanitary Engineering
American Water Works Association
British Columbia Water Works Association
Canadian Standards Association
Centers for Disease Control
Colorado Backflow Prevention Association
Construction Specifications Institute
Environmental Protection Agency
Georgia Chapter - ABPA
International Code Council
Irrigation Association
Mechanical Contractors Association of America
National Fire Protection Association
National Society of Professional Engineers
Polyisocyanurate Insulation Manufacturers Association
USC - Foundation for Cross-Connection Control & Hydraulic Research

Magazines:

ABPA News
AWWA Journal
Consulting-Specifying Engineer
Drinking Water & Backflow Prevention Magazine
Irrigation Business & Technology
Landscape Direct 
Landscape Architect & Specifyer's News
NFPA Journal
On-Line Landscape Manufacturers Directory
PM Engineer
Sweet's
US Water News
Water Online - A Community for Industry Professionals
WaterWorld

Valve Manufacturers:

Ames Valves
Flowmatic Valves
Apollo Valves by Conbraco
Febco Valves
Watts Valves
Wilkins Valves

Training:

Backflow Management, Inc.
Operator Training Committee of Ohio, Inc.
Plumber's Union - Local 38 (S.F., CA.)
TREEO (Univ. of FL)
Univ. of Wisc.-Madison
USC Found. for CCC & Hydr. Research
Viking II Inc. (Alb., N.M.)

Water:


Vancouver, WA

National Distributors:

Century Rain Aid
Ewing Irrigation
Ferguson Enterprises
Hughes Supply
US Filter

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