493120 — Refrigerated Warehousing and Storage
Description
This industry comprises establishments primarily engaged in operating refrigerated warehousing and storage facilities. Establishments primarily engaged in the storage of furs for the trade are included in this industry. The services provided by these establishments include blast freezing, tempering, and modified atmosphere storage services (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in cleaning and storing furs (except for the trade) and garments are classified in
- Industry 812320, Drycleaning and Laundry Services (except Coin-Operated).
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 4222 - Refrigerated Warehousing and Storage (via SIC1987:4222→NAICS1997:49312→2002:493120→2007:493120→2012:493120→2017:493120→2022:493120)
- SIC 4226 - Special Warehousing and Storage, NEC (via SIC1987:4226→NAICS1997:49312→2002:493120→2007:493120→2012:493120→2017:493120→2022:493120)
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 R602 — Courier and Messenger Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 493120 valid in 2022? ▾
Yes, 493120 is a valid 6-digit 2022 NAICS national industry code representing 'Refrigerated Warehousing and Storage' under Sector 48-49 in the official classification index.
What is the SBA size standard for NAICS code 493120? ▾
The Small Business Administration (SBA) has established a small business size standard of $36,500,000 for NAICS code 493120 (Refrigerated Warehousing and Storage), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 493120? ▾
According to official Census Bureau concordance tables, NAICS code 493120 (Refrigerated Warehousing and Storage) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4222 - Refrigerated Warehousing and Storage, 4226 - Special Warehousing and Storage, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 493120:
- 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 493120 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Refrigerated Warehousing and Storage).
- IRS PBA Code for Warehousing — Principal Business Activity tax reporting details.
- 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.