Argan, Inc. is a holding company. It is a construction firm that conducts operations through its subsidiaries, Gemma Power Systems, LLC and affiliates (GPS), Atlantic Projects Company Limited and affiliates (APC), The Roberts Company, Inc. (TRC) and Southern Maryland Cable, Inc. Through GPS and APC, its power industry services segment, delivering a suite of engineering, procurement, construction, commissioning, maintenance, project development and technical consulting services to the power generation market, including the renewable energy sector. Through TRC, the industrial construction services segment provides field services and project management that support new plant construction and additions, maintenance turnarounds, shutdowns and emergency mobilizations for industrial plants. Its telecommunications infrastructure services segment provides project management, construction, installation and maintenance services to commercial, local government and federal government customers.