Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
221310 – Water Supply and Irrigation Systems
236220 – Commercial and Institutional Building Construction
561730 – Landscaping Services
488310 – Port and Harbor Operations
238990 – All Other Specialty Trade Contractors
237110 – Water and Sewer Line and Related Structures Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561990 – All Other Support Services
483211 – Inland Water Freight Transportation