325110 — Petrochemical Manufacturing
Description
This industry comprises establishments primarily engaged in (1) manufacturing acyclic (i.e., aliphatic) hydrocarbons such as ethylene, propylene, and butylene made from refined petroleum or liquid hydrocarbons and/or (2) manufacturing cyclic aromatic hydrocarbons such as benzene, toluene, styrene, xylene, ethyl benzene, and cumene made from refined petroleum or liquid hydrocarbons.
Overview Facts
| NAICS Code | 325110 |
|---|---|
| Industry Title | Petrochemical Manufacturing |
| SBA Size Standard | 1,300 employees |
| IRS PBA Code | 325100 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 325 → 3251 |
| Source / Verified | US Census 2022 NAICS Manual / 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 2865 - Cyclic Organic Crudes and Intermediates and Organic Dyes and Pigments (via SIC1987:2865→NAICS1997:32511→2002:325110→2007:325110→2012:325110→2017:325110→2022:325110)
- SIC 2869 - Industrial Organic Chemicals, NEC (via SIC1987:2869→NAICS1997:32511→2002:325110→2007:325110→2012:325110→2017:325110→2022:325110)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 325110:
- 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 325110 a valid 2022 NAICS code?
NAICS 325110 is 'Petrochemical Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,300 employees.
What is the SBA size standard for NAICS 325110?
The SBA small business size standard for NAICS 325110 is 1,300 employees (based on employees).
What is the legacy SIC code mapping for 325110?
NAICS code 325110 maps to the legacy 1987 SIC codes: 2865 - Cyclic Organic Crudes and Intermediates and Organic Dyes and Pigments, 2869 - Industrial Organic Chemicals, NEC.