American Society of Mechanical Engineers (ASME)
ASTM International Standards Worldwide (ASTM)
Ductile Iron Pipe Research Association (DIPRA)
Kentucky Society of Professional Engineers (KSPE)
Kentucky Water and Wastewater Operators' Conference (KWWAO)
National Fire Protection Association (NFPA)
National Rural Water Association (NRWA)
National Utility Contractors Association (NUCA)
NSF International, The Public Health and Saftey Company (NSF)
Pipe Fabrication Institute (PFI)
Plastics Pipe Institute (PPI)
Uni-Bell
Miscellaneous & Dead Stock Catalog
American Water Works Association (AWWA)
Construction Financial Managemnet Association (CFMA)
Florida Rural Water Association (FRWA)
Georgia Rural Water Association (GRWA)
Georgia Utility Contractors Association, Inc. (GUCA)
Kentucky Rural Water Association (KRWA)
Tennessee Association of Utility Districts (TAUD)
The Distribution Group (TDG)
The Water and Sewer Distributors of America (WASDA)