Ductile Iron Pipe Research Association (DIPRA)
The Ductile Iron Pipe Research Association (DIPRA) was founded to provide accurate, reliable engineering information about Cast Iron -- and now Ductile Iron -- pipe to a wide variety of utility and consulting engineers.

The Cast Iron Soil Pipe Institute (CISPI)
The Cast Iron Soil Pipe Institute was organized in 1949 by the leading American manufacturers of cast iron soil pipe and fittings. The Institute is dedicated to aiding and improving the plumbing industry.

The American Foundry Society (AFS)
The American Foundry Society exists to provide and promote knowledge and services that strengthen the industry. The American Foundry Society exists to provide and promote knowledge and services that strengthen the metalcasting industry.

The American Water Works Association (AWWA)
The American Water Works Association (AWWA) is the authoritative resource for knowledge, information, and advocacy to improve the quality and supply of water in North America and beyond. AWWA advances public health, safety and welfare by uniting the efforts of the full spectrum of the entire water community.

The National Propane Gas Association (NPGA)
The National Propane Gas Association is the national trade association representing the U.S. propane industry.

The National Association of Fire Equipment Distributors (NAFED)
The National Association of Fire Equipment Distributors was established in 1963 with the mission of continuously improving the economic environment, business performance, and technical competence in the fire protection industry.

Voluntary Protection Programs Participants' Association (VPPPA)
The Voluntary Protection Programs Participants' Association is the leading organization dedicated to cooperative occupational safety, health and environmental management systems. The VPPPA, a nonprofit 501(c)(3) charitable organization, is a member-based association, providing a network of over 1,600 companies and worksites that are involved in or in the process of applying to the Occupational Safety and Health Administration's (OSHA) or the Department of Energy's (DOE) Voluntary Protection Programs (VPP) and other government agencies that are developing or implementing cooperative recognition programs.

National Safety Council (NSC)
The National Safety Council is a 501(c)(3) non-for-profit, charitable, international public service organization dedicated to educating and influencing people to prevent accidental injuries and deaths. The NSC was founded in 1913 and chartered by the U.S. Congress in 1953 and is the only organization promoting safety in the workplace, in transportation, and in homes and communities. The NSC serves as the nation's leading resource on industry trends, professional development, and strategies for advancing safety and health programs and practices.

U. S. Green Building Council (USGBC)
The U.S. Green Building Council is a 501(c)(3) non-profit organization that certifies sustainable businesses, homes, hospitals, schools and neighborhoods. USGBC is dedicated to expanding green building practices and education, and its LEED® (Leadership in Energy and Environmental Design) Green Building Rating System".

South Regions Minority Business Council (SRMBC)
The South Regions Minority Business Council was established in 1983 and is an affiliate of the National Minority Supplier Development Council (NMSDC). The SRMBC's mission is to expand business opportunities for Minority Business Enterprises (MBEs) and create mutually beneficial links between Corporate Members and MBEs.