325120 — Industrial Gas Manufacturing
Description
This industry comprises establishments primarily engaged in manufacturing industrial organic and inorganic gases in compressed, liquid, and solid forms.
Overview Facts
| NAICS Code | 325120 |
|---|---|
| Industry Title | Industrial Gas Manufacturing |
| SBA Size Standard | 1,200 employees |
| U.S. Establishments | 546 (Census CBP, 2023) |
| IRS PBA Code | 325100 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 325 → 3251 |
| 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 2813 - Industrial Gases (via SIC1987:2813→NAICS1997:32512→2002:325120→2007:325120→2012:325120→2017:325120→2022:325120)
- SIC 2869 - Industrial Organic Chemicals, NEC (via SIC1987:2869→NAICS1997:32512→2002:325120→2007:325120→2012:325120→2017:325120→2022:325120)
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 3650 — Chemical and Pharmaceutical Products Manufacturing Machinery
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 325120:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing 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 3251
Frequently Asked Questions (FAQ)
Is 325120 a valid 2022 NAICS code?
NAICS 325120 is 'Industrial Gas Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,200 employees.
What is the SBA size standard for NAICS 325120?
The SBA small business size standard for NAICS 325120 is 1,200 employees (based on employees).
What is the legacy SIC code mapping for 325120?
NAICS code 325120 maps to the legacy 1987 SIC codes: 2813 - Industrial Gases, 2869 - Industrial Organic Chemicals, NEC.