This industry comprises establishments primarily engaged in providing services to water transportation (except port and harbor operations; marine cargo handling services; and navigational services to shipping).

Cross-References. Establishments primarily engaged in--

• Ship painting--are classified in Industry 238320, Painting and Wall Covering Contractors;
• Providing ship janitorial services--are classified in Industry 561720, Janitorial Services;
• Operating port, harbor, or canal facilities--are classified in Industry 488310, Port and Harbor Operations;
• Providing dredging services--are classified in Industry 237990, Other Heavy and Civil Engineering Construction;
• Providing stevedoring and other marine cargo handling services--are classified in Industry 488320, Marine Cargo Handling;
• Providing navigational services to shipping--are classified in Industry 488330, Navigational Services to Shipping; and
• Providing ship overhauling or repairs in ashipyard--are classified in U.S. Industry 336611, Ship Building and Repairing.