Infrastructure And Energy Alternatives, Inc., formerly, M III Acquisition Corp., provides infrastructure solutions for the renewable energy, traditional power and civil infrastructure industries. The Company focuses on the wind, solar, thermal, petrochemical/industrial, biomass, power delivery and heavy civil energy industry. It provides a broad range of energy, procurement and construction (EPC) services throughout the United States. It also offers turnkey, design-build, balance of plant (BOP), and subcontracting services. The Company’s solar technology solutions includes traditional photovoltaic (PV), concentrator photovoltaic (CPV), and high-concentration photovoltaic (HCPV). Its thermal services include simple/combined cycle facilities, heavy/civil, excavation, and foundations, and structural steel erection. It provides solutions on various biomass power facilities, including woody biomass boiler-fired and gasification plants, biofuels plants and anaerobic digestion plants.