488320 — Marine Cargo Handling
Description
This industry comprises establishments primarily engaged in providing stevedoring and other marine cargo handling services (except warehousing).
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
| NAICS Code | 488320 |
|---|---|
| Industry Title | Marine Cargo Handling |
| SBA Size Standard | $47,000,000 |
| U.S. Establishments | 485 (Census CBP, 2023) |
| IRS PBA Code | 488300 (rolled-up match) |
| Sectors Hierarchy | Sector 48-49 → 488 → 4883 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 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 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)
Related Resources & Compliance Guides
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.
- 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 488320 a valid 2022 NAICS code?
NAICS 488320 is 'Marine Cargo Handling', 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 488320?
The SBA small business size standard for NAICS 488320 is $47,000,000 (based on receipts).
What is the legacy SIC code mapping for 488320?
NAICS code 488320 maps to the legacy 1987 SIC codes: 4491 - Marine Cargo Handling.