Caterpillar, Comfort Systems USA, and Sterling Infrastructure are the three Construction stocks to watch today, according to MarketBeat’s stock screener tool. Construction stocks are shares of companies involved in building and infrastructure, such as homebuilders, construction contractors, engineering firms, and suppliers of building materials and equipment. These companies had the highest dollar trading volume of any Construction stocks within the last several days. Comfort Systems USA (FIX)Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. It operates through three segments: E-Infrastructure Solutions, Transportation Solutions, and Building Solutions.