Official definition

This U.S. industry comprises establishments primarily engaged in providing support activities to transportation (except for air transportation; rail transportation; water transportation; road transportation; freight transportation arrangement; and packing and crating). Illustrative Examples: Arrangement of vanpools or car pools (except ridesharing arrangement services) Independent pipeline terminal facilities Stockyards (i.e., not for fattening or selling livestock) Cross-References. Establishments primarily engaged in--