This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals. Establishments primarily engaged in--

Including:

• Canal maintenance services (except dredging)
• Canal operation
• Docking facility operations
• Harbor maintenance services (except dredging)
• Harbor operation
• Lighthouse operation
• Maintenance services, waterfront terminal (except dredging)
• Port facility operation
• Seaway operation
• Waterfront terminal operation (e.g., docks, piers, wharves)
• Wharf operation