The Pittsburgh Water and Sewer Authority (PWSA) is the largest combined water, sewer, and stormwater authority in Pennsylvania, serving over 500,000 consumers throughout the City of Pittsburgh and surrounding areas.
Incorporated in 1922 by founders and brothers Ralph, Paul, and Walter Sloan, the initial focus of Sloan Lubrication Systems was mechanical lubricators used in heavy industry, steam-to-water heat exchangers, and steam traps. Walter’s son John joined the company after his World War II service. He helped the business shift to provide accurate, protected lubrication systems for the fast-growing natural gas transmission industry.
Founded in 1978 by Peter J. Arnoldt as Ductmate Industries, DMI Companies, Inc. is now comprised of four strategic business units: Ductmate Industries, Aire Technologies, GreenSeam Industries, and Linx Industries. In 2005, the company restructured and created DMI Companies as the parent company of Ductmate and Aire Technologies. In 2015, GreenSeam pipe and fittings products branched off as a new division of DMI Companies called GreenSeam Industries (GSI), and Lindab USA was bought and renamed Linx Industries.
American Sustainable Business Network (ASBN) is a movement builder in partnership with the business and investor community. ASBN develops and advocates solutions for policymakers, business leaders, and investors that support an equitable, regenerative, and just economy that benefits all—people and planet. As a multi-issue, membership organization advocating on behalf of every business sector, size, and geography, ASBN and its association members collectively represent over 250,000 businesses across our networks.
