Foster Maintenance Inc. provides Crane Services Rafters, Beams and Bucket Truck Services. test33 Welcome to Foster Maintenance Inc. Finding a reliable and available crane service isn't an easy task. We know how valuable your time is, and when you need professional heavy equipment service, you need it fast. At Foster Maintenance, we strive to be available for you when you need us, and will do our best to meet your construction goals and schedule. We offer commercial and residential crane service, as well as 50foot boom trucks, dozers, backhoes and portable welding services. Give Foster Maintenance a call today to help you get the job done.