Since 1957, Interstate Companies have been providing product support services for the manufacturers’ power equipment we distribute. Interstate Energy Systems is the authorized distributor for MTU Rolls-Royce electric power generation and microgrid systems in the states of Montana, Wyoming, North Dakota, South Dakota, Nebraska, Minnesota, Iowa, Wisconsin, Indiana, Illinois, and the Upper Peninsula of Michigan.

13015 West Custer Avenue

Butler, WI 53007

USA