Argan, Inc. is a holding company. The Company 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. (SMC). Through GPS and APC, its power industry services, it offers 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 provide field services and project management that support new plant construction and additions, maintenance turnarounds, shutdowns and emergency mobilizations for industrial plants. Through SMC, its telecommunications infrastructure services provide project management, construction, installation and maintenance services to commercial, local government and federal government customers.