NAICS Code 488390

NAICS 488390

NAICS Code 488390 – Other Support Activities for Water Transportation

Definition of NAICS Code 488390: 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).

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Illustrative Examples of NAICS 488390

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Floating drydocks (i.e., maintenance and routine repairs for ships)
  • Ship scaling services
  • Marine cargo checkers and surveyors

Cross Reference Guide for Code 488390

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

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

Other Index Entries for NAICS 488390

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Cargo checkers, marine
  • Cargo surveyors, marine
  • Drydocks, floating (i.e., routine repair and maintenance of ships)
  • Marine cargo checkers and surveyors
  • Ship dismantling at floating drydock
  • Ship scaling services not done at a shipyard
Suggested Insurance Conversion Table for NAICS Code 488390

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 9534, 6872, 6874, 6882, 6884, 7016, 7024, 8719, 7047, 8709NAICS 488390
  • CA WC: 9529, 8720
  • DE WC: 657, 6872, 7020, 7028, 709, 7131, 8709
  • PA WC: 657, 6872, 7020, 7028, 709, 7131, 8709
  • MI WC: 9530, 6874, 6882, 6884, 7016, 7024, 7047, 8709
  • NJ WC: 9530, 6872, 6874, 7019, 7027, 8711, 8709
  • NY WC: 5403, 6875, 6874, 6882, 6884, 7016, 7024, 8719, 7047, 8709
  • WY WC: 488390
  • GL: 98659, 98949, 98914, 99963
  • SIC: 7699, 4499, 4785

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 488390 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 48-49: Transportation and Warehousing
  • Subsector 488: Support Activities for Transportation
  • Industry Group 4883: Support Activities for Water Transportation
  • Industry 48839: Other Support Activities for Water Transportation
  • 6 Digit Code(s) NAICS 488390: Other Support Activities for Water Transportation
Other helpful NAICS Downloads

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NAICS Code 488390