According to the source
Other commercial restaurant services includes retail-host restaurants, recreation and sports, mobile caterers and vending and non-store retailers.
Noncommercial restaurant services are business educational, governmental or institutional organizations that operate their own restaurant services in venues such as employee restaurant services, public and parochial elementary, secondary schools, colleges and universities, transportation, hospitals, nursing homes, homes for the aged, blind, orphans, and the mentally and physically disabled, clubs, sporting and recreational camps and community centers.
Military restaurant services are officers' and NCO clubs and military exchanges (continental United States only).
Managed services are onsite food-service and food contractors in manufacturing and industrial plants, commercial and office buildings, hospitals and nursing homes, colleges and universities, primary and secondary schools, in-transit restaurant services (airlines) and recreation and sports centers.