Establishments primarily engaged in the operation of terminal facilities used by highway-type property carrying vehicles. Also included are terminals which provide maintenance and service for motor vehicles. Terminals operated by motor freight transportation companies for their own use are classified in Industry Group 421. Separate maintenance and service facilities operated by motor freight transportation companies are classified as auxiliary. Establishments primarily engaged in the repair of trucks are classified in Services, Industry Group 753.
- Freight trucking terminals, with or without maintenance facilities