Enterprise Group, Inc., formerly Enterprise Oilfield Group, Inc., is a construction services company operating in the energy, utility and transportation infrastructure industry. Its focus is primarily underground construction and maintenance and above ground plants and facilities and specialized equipment rental. Its services include safety and quality control, pipeline construction, site construction and trucking. Miscellaneous Services include welding, hot fusion services for all diameters of JDPE pipe, well-site modification, gathering systems and pipe rotations. It specializes in small to medium diameter pipeline construction and maintenance projects on steel gathering system pipe under 12 inches in diameter. In June 2013, Enterprise Group Inc acquired Calgary Tunnelling & Horizontal Augering Ltd. In June 2013, Enterprise Group Inc announced that it has completed acquisition of Pro Tech Construction Inc. In January 2014, the Company acquired Hart Oilfield Rentals Ltd.