HSM Transportation is the exclusive manufacturer of a complete line of C.E. White School Bus Seats, portable child restraints, and aftermarket parts, including covers and foam. In addition, HSM Transportation is also a premier manufacturer of a full line of commercial seats, including luxury full-size seats, luxury shuttle seats, commuter transit seats, commuter van seats, sofas, salon seating, and foldaway seating for commercial bus and van, shuttle and commuter transit markets.