 PHOENIX, Aug. 27, 2021 PRNewswire -- Centuri Group, Inc. Centuri, a wholly-owned subsidiary of Southwest Gas Holdings, Inc. NYSE: SWX, today announced closing of the acquisition of Riggs Distler Company, Inc. and its affiliates Riggs Distler. Founded in 1909 and based in Cherry Hill, New Jersey, Riggs Distler has extensive relationships and long-term Master Service Agreements MSA with nearly all of the major investor-owned electric utilities in the Northeast and Mid-Atlantic regions and provides unionized installation and repair services to its utility customers. 