This industry comprises establishments primarily engaged in supplying food services under contract for a specific period of time. Establishments providing food services to airlines, railways and institutions, as well as establishments that operate food concessions at sports and similar facilities, are included.

This industry comprises establishments primarily engaged in providing food services for events, such as graduation parties, wedding receptions and trade shows. These establishments generally have equipment and vehicles to transport meals and snacks to events and to prepare food at the event site. Caterers who own or manage permanent facilities in which they provide event-based food services are also included.

This industry comprises establishments primarily engaged in preparing and serving meals and snacks for immediate consumption from motorized vehicles or non-motorized carts.