Ameresco, Inc. is a cleantech integrator and renewable energy asset developer, owner and operator. The Company’s comprehensive portfolio includes energy efficiency, infrastructure upgrades, asset sustainability, and renewable energy solutions. The Company’s segments include U.S. Regions, U.S. Federal, Canada, Alternative Fuels and All Other. The Company’s U.S. Regions, U.S. Federal and Canada segments offers energy efficiency products and services, which include the design, engineering, and installation of equipment and other measures. Its Alternative Fuels segment sells electricity and processed renewable natural gas (RNG) derived from biomethane from small-scale plants that it owns and operates and provides operations and maintenance (O&M) services for customer-owned small-scale RNG plants. The All Other category offers enterprise energy management services, consulting services, energy efficiency products and services outside of the United States and Canada.