ATN International, Inc. engages in investment in communications, energy, and technology businesses. It operates through the following segments: U.S. Telecom, International Telecom, and Renewable Energy. The U.S. Telecom segment offers carrier services, including wholesale roaming services, site maintenance, and the leasing of critical network infrastructure. The International Telecom segment caters to other telecom providers such as international long-distance, roaming from other carriers, and transport and access services, as well as fixed internet and voice, and retail mobility services. The Renewable Energy segment delivers distributed generation solar power to corporate and industrial customers.. The company was founded by Cornelius B. Prior Jr. in June 1987 and is headquartered in Beverly, MA.