Service Trucks International (STI) designs and manufactures service and crane truck bodies, as well as a complete line of tel ... escoping service cranes, under the Tiger Crane brand name. Specializing in high quality mobile service products and telescopic cranes, STI strives to meet the needs of operators and retailers of heavy equipment used in mining, equipment rental, equipment dealers, road construction, site prep and land clearing, agricultural equipment, the oil & gas industry and local, state and federal government. read more