Support Activities for Water Transportation

This industry group comprises establishments primarily engaged in one of the following: (1) operating ports, harbors (including docking and pier facilities), or canals; (2) providing stevedoring and other marine cargo handling services (except warehousing); (3) providing navigational services to shipping; or (4)… It has no schema of its own: companies here are mapped on the Transportation & logistics schema, and what it does not cover is recorded as gaps.