About Us. PAR Western Line Contractors, LLC (dba QUES), a subsidiary of Quanta Services, Inc. (NYSE: PWR), is composed of some of the most highly qualified professionals experienced in all aspects of engineering, designing, asset management, and construction management for the electric utility and other industries. We are a highly mobile and flexible team with the ability to service every area and region within our customers’ area of operation. W...
About Us. PAR Western Line Contractors, LLC (dba QUES), a subsidiary of Quanta Services, Inc. (NYSE: PWR), is composed of some of the most highly qualified professionals experienced in all aspects of engineering, designing, asset management, and construction management for the electric utility and other industries. We are a highly mobile and flexible team with the ability to service every area and region within our customers’ area of operation. W...