Pro Crane Rentals Inc. is a sister company of Pro Sign Co. Pro Crane grew into its own entity in 1999. Pro Crane in essence has been servicing the Tri State area since 1947. When Bob Protesto Sr. got out of WWII, he started a small sign company, Upper Darby Sign Co. which then became Pro Sign Co. in 1980. In 1999, he created the sister company Pro Crane Rentals, Inc. Our growth was driven by our dedication to dependable and excellent service.