488320 — Marine Cargo Handling
Description
This industry comprises establishments primarily engaged in providing stevedoring and other marine cargo handling services (except warehousing) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Preparing freight for transportation (except warehousing)--are classified in U.S. Industry 488991, Packing
- and Crating;
- Operating general merchandise, refrigerated, or other warehousing and storage facilities--are classified in
- Subsector 493, Warehousing and Storage; and
- Operating docking and pier facilities--are classified in Industry 488310, Port and Harbor Operations.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4491 - Marine Cargo Handling (via SIC1987:4491→NAICS1997:48832→2002:488320→2007:488320→2012:488320→2017:488320→2022:488320)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC J022 — Maintenance, Repair and Rebuilding of Equipment: Railway Equipment
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 488320 valid in 2022? ▾
Yes, 488320 is a valid 6-digit 2022 NAICS national industry code representing 'Marine Cargo Handling' under Sector 48-49 in the official classification index.
What is the SBA size standard for NAICS code 488320? ▾
The Small Business Administration (SBA) has established a small business size standard of $47,000,000 for NAICS code 488320 (Marine Cargo Handling), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 488320? ▾
According to official Census Bureau concordance tables, NAICS code 488320 (Marine Cargo Handling) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4491 - Marine Cargo Handling.
Related Pages & Tools
Further regulatory reference links for NAICS code 488320:
- 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.
- NAICS 488320 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Marine Cargo Handling).
- 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.