Garsite Progress, an entity formed by AFI Partners, announced the acquisition of Garsite and Progress Tank, U.S.-based manufacturers of aviation refueling and liquid waste transportation equipment. Since 1922, Progress Tank has been a manufacturer of truck-mounted tanks used in the refined fuel, heating oil, propane and liquid waste industries. Progress Tank offers national distribution, service and support of its core product line through some of the largest chassis dealers in the country, including Rush Truck Centers, Truck Country and M&K.