AutoCAD Links
Autodesk Discussion Groups
Autodesk Support Site
AutoCAD User Groups
Daily AutoCAD


Code Officials Links
Building Officials and Code Administrators (BOCA)
Illinois Plumbing Code Online
International Association of Plumbing and Mechanical Officials (IAPMO)
International Code Council (ICC)
International Conference of Building Officials (ICBO)
Southern Building Code Congress International (SBCCI)

Air Conditioning & Refrigeration Institue (ARI)
American Backflow Prevention Association
American Concrete Pipe Association
American Consulting Engineers Council (ACEC)
American Contractors Exchange
American Fire Sprinkler Association (AFSA)
American Gas Association (AGA)
American Institute of Architects (AIA)
American National Standards Institute (ANSI)
American Society of Civil Engineers (ASCE)
American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE)
American Society of Heating, Refrigerating and Air Conditioning Engineers, (Central Illinois Chapter) (ASHRAE)
American Society of Mechanical Engineers (ASME)
American Society of Plumbing Engineers (ASPE)
American Society of Sanitary Engineers (ASSE)
American Society for Testing and Materials (ASTM)
American Society of Civil Engineers (ASCE)
American Society of Mechanical Engineers (ASME)
American Society of Sanitary Engineers (ASSE)
American Supply Asociation (ASA)
American Water Works Association (AWWA)
Association of Industry Manufacturers Representatives (AIM/R)
Building Officials and Code Administrators (BOCA)
Canadian Standards Association (CSA)
Cast Iron Soil Pipe Institute (CISPI)
Construction Specifications Institute (CSI)
Consulting Engineers Council of Illinois (CECI)
Copper Development Association (CDA)
Ductile Iron Resarch Pipe Association (DIRPA)
Factory Mutual (FM)

Fiberglass Tank and Pipe Institute
Fire Suppression Systems Association (FSSA)
Gas Research Institute
Hydraulic Institute
Illinois Department of Public Health (IDPH)
Illinois Society of Professional Engineers (ISPE)
Illinois Society of Professional Engineers (ISPE) Central Illinois Chapter
Illinois State Water Survey
Institue of Electrical and Electronic Engineers (IEEE)
Lone Star Irrigation Association
Mechanical Contractors Association of America (MCAA)
National Fire Protection Association (NFPA)
National Fire Sprinkler Association (NFSA)
National Institute for Certification in Engineering Technologies (NICET)
National Kitchen & Bath Association
National Propane Gas Association
National Society of Professional Engineers (NSPE)
NSF International (NSF)
Pipe Trades Association
Piping Industry Progress & Education
Plumbing & Drainage Institute
Plumbing Manufacturers Institute (PMI)
Plumbing, Heating, Cooling Contractors Association (PHCC) Central Illinois Chapter
Plumbing, Heating, Cooling Contractors National Association (PHCC)
Radiant Panel Association
Society of Women Engineers (SWE)
Southern Building Code congress International (SBCCI)

Underwriters Laboratories (UL)
United Association of Journeymen and Apprentices (UA)
Universities Council on Water Resources (UCOWR)
Water Quality Association (WQA)

Miscellaneous Links
Backflow Prevention TechZone - (Information and pointers about backflow and cross connection control)
The Contractors Zone  - (Contractors/construction related information)
Construction Advantage - (Job Placement)
Copper Tube Handbook
Creative Homeowner Press
Dan Holohan Associates  - (Hydronic Heating Information)
Gama Safety Page - (Gas Product Safety Information)
Greenview Enterprises - (Exam services)
Harrison Publishing House
KRS Enterprises, Inc - (Business software for the PHC and HVAC industries)
Miles Abernathy - (Links to water, wastewater, and environmental engineering sites)
National Propane Gas Association - (Association)
PHCC - National Association (Association)
PHCC Online Resource Center and Virtual Trade Show - (Pointers to a lot of different plumbing resources, including neat - (Best plumbing forum on the net)
Plumbing FAQ's  - (Frequently asked questions)
The Plumbing Information and Sharing Forum - (Best plumbing forum on the Net) - (Current addresses & phone numbers of most plumbing manufacturers)
Replacing a Water Heater
Skilled Tradesmen
Special Housing - (Construction trade online directory)
Tech-Mech, L. P. - (Spec Sheets / MSDS in PDF format)
Unclogging Drains
Universities Water Information Network(UWIN) - (Academic Links)
Water heater tips
Water Online - (Water and wastewater industry information)
Water Wiser - (Water efficiency clearinghouse. A lot pointers to water saving resources on the web. Created by the American Water Works Association)


Manufacturer Links
A.O.Smith Water Heaters
ABT Inc. (Polydrain) Trench Drains
Acorn Fixtures
Aerco Water Heaters
Airvac Vacuum Drainage Systems
Allied Healthcare Products, Inc.
American Standard Plumbing Fixtures
Amtrol, Inc., expansion tanks
Ansul Fire Suppression Systems
Aquarius Bathware
Bell & Gossett, ITT
Bemis Toilet Seats
BF Goodrich CPVC Pipe
Bobrick washroom Equipment
Bradford White Water Heaters
Bradley Fixtures
Brasscraft fittings
Briggs Fixtures
Bruner Water Treatment Systems
Bryan Boilers
Canariis Pumps
Cemline Tanks and Water Heaters
Clamp-All Cast Iron Pipe Couplings
Cla-Val Control Valves
Conbraco Valves and Backflow Preventers
Crane/Fiat Plumbing Fixtures
Croker Fire Protection Valves
Culligan Water Softeners
Delta Faucets
Elkay Sinks, Faucets, Electric Water Coolers
Elkhart Fire Protection Valves
Encon Safety Equipment
Enfield Polypropylene Piping
Engineered Medical Systems & Equipment Corporation
F.E.Myers Pumps
Febco Backflow Preventers
Firetrol Controls
Flomatic Control Valves
Flowserve Duriron Pipe
Flushmate Pressure assist flushing system
Geberit Microelectronic Infrared faucets
Grinnell Pipe, sprinkler systems, pipe hangers
Grundfos Pumps
Halsey Taylor Water Coolers
Hammond Valve
Hatco Booster Heaters for Dishwashers
Haws Water Coolers
ITT A-C Pump Fire pumps
Jay R. Smith drainge
Kohler Fixtures
Lawler Valves
Leonard Mixing Valves
Liberty Pumps
Mifab Interceptors
Millipore Water Treatment
Moen faucets & fittings
Mueller Piping
Nibco Valves
Oasis Water Coolers
Olsonite watercloset seats
Orion Acid Waste
Paco Pumps
Patterson Pump
Peerless Pump
Perfection Corporation compressed air equipment
Potter-Roeme r fire protection equipment
Potter Electric Signal Company
Powers Mixing Valves, Shower Valves
Precision Plumbing Products
PVI Industries Water Heaters
Raychem Heat Trace Systems
Raypak Boilers
RECO water heaters
Rectorseal Firestopping products
Red-White Valves
Reliable Automatic Sprinkler Co.
Rockford Separators
Seton Pipe Markers and Valve Tags
Sioux Chief Water Hammer Arrestors
Sloan Valve Flush Valves
Speakman Faucets, Emergency Fixtures
Squire Cogswell Medical Air Compressors
Star Sprinkers
State Water Heaters
Stockham Valve
Strahman Valves washdown equipment
Studor Vents
Sunroc Electric Water Coolers
Symmons showers, metering valves, mixing valves
Syncroflo Booster pump systems
T&S Brass faucets
Taco Pumps
Teledyne Laars Boilers and Water Heaters
Thermaco Grease Traps
Thermon Heat Tape
Titeflex flexible connectors
Toto Plumbing Products
Truebro insulation for under lavatories
Tyler cast iron pipe
Victaulic Piping Systems
Viking Fire Protection
Ward flexible gas pipe
Watts Plumbing Products, backflow preventers, regulating valves, drainage equipment
Weil-McLain Boilers
Weil Pump
Wessels tanks
Wilkins Backflow Preventers
Willoughby stainless steel fixtures
Wirsbro radiant heat products
Zoeller sewage & sump pumps
Zurn drainage products, Wilkins Backflow preventers
Local Associations
Phoenix Chapter of ASHRAE