Wilson 5 Service Co. Inc. of Kittery has won a $2.3 million federal contract set aside for businesses owned by service-disabled veterans from the General Services Administration’s Public Buildings Service in Cincinnati, Targeted News Service reported Thursday.

The contract is for mechanical operations and maintenance services at the Minton-Capehart Federal Building in Indianapolis. It includes an option to extend service for up to four years.

Wilson 5 is a building-maintenance services firm founded in 1982. Its clients have included the FBI, IRS, U.S. Postal Service, U.S. Department of Justice and all branches of the U.S. military.