About Allied Generators Allied Generators is a full-service generator dealer that specializes in service, sales, installation, and monitoring of standby industrial, commercial, and residential generators. We have been in business since 1981 and were the first full-service dealer in the Twin Cities. We are an authorized dealer for Kohler and MTU. We provide service all makes and sizes of generators. Our service area includes the entire seven-county metro area, Greater Minnesota, and Western Wisconsin.