483111 — Deep Sea Freight Transportation
Description
This U.S. industry comprises establishments primarily engaged in providing deep sea transportation of cargo to or from foreign ports.
Exclusions & Cross-References
- Establishments primarily engaged in providing deep sea transportation of cargo to and from domestic ports are
- classified in U.S. Industry 483113, Coastal and Great Lakes Freight Transportation.
- TRANSPORTATION AND WAREHOUSING 377
Overview Facts
| NAICS Code | 483111 |
|---|---|
| Industry Title | Deep Sea Freight Transportation |
| SBA Size Standard | 1,050 employees |
| U.S. Establishments | 333 (Census CBP, 2023) |
| IRS PBA Code | 483000 (rolled-up match) |
| Sectors Hierarchy | Sector 48-49 → 483 → 4831 |
| 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 4412 - Deep Sea Foreign Transportation of Freight (via SIC1987:4412→NAICS1997:483111→2002:483111→2007:483111→2012:483111→2017:483111→2022:483111)
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 M1LB — OPERATION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 483111:
- 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 4831
Frequently Asked Questions (FAQ)
Is 483111 a valid 2022 NAICS code?
NAICS 483111 is 'Deep Sea Freight Transportation', a 2022 U.S. national industry under Sector 48-49 (Transportation and Warehousing); the SBA small-business size standard is 1,050 employees.
What is the SBA size standard for NAICS 483111?
The SBA small business size standard for NAICS 483111 is 1,050 employees (based on employees).
What is the legacy SIC code mapping for 483111?
NAICS code 483111 maps to the legacy 1987 SIC codes: 4412 - Deep Sea Foreign Transportation of Freight.