Spring Ridge Constructors, LLC will be lead construction contractor of proposed 600-mile pipeline project

Firm is joint venture of four leading U.S. natural gas pipeline construction companies

Contract represents significant milestone for proposed project

Thousands of workers expected to be hired from West Virginia, Virginia and North Carolina

RICHMOND, Va.

Atlantic Coast Pipeline, LLC, which has proposed a 600-mile natural gas transmission pipeline to bring much-needed energy to Virginia and North Carolina, today announced it has signed a construction contract with Spring Ridge Constructors, LLC (SRC), a joint venture of leading natural gas pipeline construction companies. Comprised of Price Gregory International, Inc., a Quanta Services, Inc. (NYSE: PWR) company; U.S. Pipeline, Inc.; SMPC, LLC; and Rockford Corporation, a Primoris Services Corporation (NASDAQ: PRIM) company, the joint venture will serve as the Atlantic Coast Pipeline's lead construction contractor.

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