SIC 2911 — Petroleum Refining
SIC 2911 is 'Petroleum Refining', a 4-digit Standard Industrial Classification (SIC) code under Major Group 29: Petroleum Refining and Related Industries (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 324110 (Petroleum Refineries).
Description & Classification
SIC code 2911 representing 'Petroleum Refining' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 324110 - Petroleum Refineries (via SIC1987:2911→NAICS1997:32411→2002:324110→2007:324110→2012:324110→2017:324110→2022:324110)
Classification Details
| SIC Code | 2911 |
|---|---|
| Industry Title | Petroleum Refining |
| Division | Division D: Manufacturing |
| Major Group | Major Group 29: Petroleum Refining and Related Industries |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 2911:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 29 Hub — View other legacy industries in this business division.
Related Industries in Major Group 29
Frequently Asked Questions (FAQ)
What industry does SIC code 2911 represent?
SIC 2911 is 'Petroleum Refining', a 4-digit Standard Industrial Classification (SIC) code under Major Group 29: Petroleum Refining and Related Industries (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 324110 (Petroleum Refineries).
What is the modern 2022 NAICS mapping for SIC 2911?
SIC code 2911 maps to modern NAICS codes: 324110 - Petroleum Refineries.