Hannon Armstrong is an investment and merchant bank which provides capital for companies and government agencies, specializing in the areas of energy, telecommunications and water infrastructure. Investment banking services offered by Hannon Armstrong include financial backing for projects, tax equity advisory and mergers/acquisitions. In the past, Hannon Armstrong has undertaken such infrastructural investment projects as geothermal power production, fiber optic communications systems, power generation for U.S. government buildings and cement importation.