488330 — Navigational Services to Shipping
Description
This industry comprises establishments primarily engaged in providing navigational services to shipping. Marine salvage establishments are included in this industry.
Illustrative Examples
- Docking and undocking marine vessel services
- Piloting services, water transportation
- Marine vessel traffic reporting services
- Tugboat services, harbor operation
Exclusions & Cross-References
- Providing barge transportation and towing services on inland waters--are classified in U.S. Industry
- 483211, Inland Water Freight Transportation; and
- Providing coastal and/or Great Lakes barge transportation services--are classified in U.S. Industry 483113,
- Coastal and Great Lakes Freight Transportation.
Overview Facts
| NAICS Code | 488330 |
|---|---|
| Industry Title | Navigational Services to Shipping |
| SBA Size Standard | $47,000,000 |
| IRS PBA Code | 488300 (rolled-up match) |
| Sectors Hierarchy | Sector 48-49 → 488 → 4883 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4492 - Towing and Tugboat Services (via SIC1987:4492→NAICS1997:48833→2002:488330→2007:488330→2012:488330→2017:488330→2022:488330)
- SIC 4499 - Water Transportation Services, NEC (via SIC1987:4499→NAICS1997:48833→2002:488330→2007:488330→2012:488330→2017:488330→2022:488330)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 488330:
- Sector 48-49 Directory Hub — List of related industries in the Transportation and Warehousing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 4883
Frequently Asked Questions (FAQ)
Is 488330 a valid 2022 NAICS code?
NAICS 488330 is 'Navigational Services to Shipping', a 2022 U.S. national industry under Sector 48-49 (Transportation and Warehousing); the SBA small-business size standard is $47,000,000.
What is the SBA size standard for NAICS 488330?
The SBA small business size standard for NAICS 488330 is $47,000,000 (based on receipts).
What is the legacy SIC code mapping for 488330?
NAICS code 488330 maps to the legacy 1987 SIC codes: 4492 - Towing and Tugboat Services, 4499 - Water Transportation Services, NEC.