SIC 5531 — Auto and Home Supply Stores
Official OSHA SIC Manual Definition
Establishments primarily engaged in the retail sale of new automobile tires, batteries, and other automobile parts and accessories. Such establishments frequently sell a substantial amount of home appliances, radios, and television sets. Establishments dealing primarily in used parts are classified in Wholesale Trade, Industry 5015. Establishments primarily engaged in both selling and installing such automotive parts as transmissions, mufflers, brake linings, and glass are classified in Services, Industry Group 753.
Description & Classification
SIC code 5531 representing 'Auto and Home Supply Stores' 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 455219 - All Other General Merchandise Retailers (via SIC1987:5531→NAICS1997:45299→2002:452990→2007:452990→2012:452990→2017:452319→2022:455219)
- NAICS 441340 - Tire Dealers (via SIC1987:5531→NAICS1997:44132→2002:441320→2007:441320→2012:441320→2017:441320→2022:441340)
- NAICS 441330 - Automotive Parts and Accessories Retailers (via SIC1987:5531→NAICS1997:44131→2002:441310→2007:441310→2012:441310→2017:441310→2022:441330)
Classification Details
| SIC Code | 5531 |
|---|---|
| Industry Title | Auto and Home Supply Stores |
| Division | Division G: Retail Trade |
| Major Group | Major Group 55: Automotive Dealers and Gasoline Service Stations |
| JSON Endpoint | View as JSON · API → |
| Source / Verified | US Census 1987 SIC Concordance / 2026-08-08 |
SIC vs NAICS Compliance & Common Mismatches
Legacy SIC code 5531 classifies commercial operations based on primary end-product or service output under the 1987 federal framework. In contrast, modern 2022 NAICS codes group establishments based on production process inputs.
When submitting public disclosures to SEC EDGAR or determining OSHA workplace safety log recordkeeping exemptions (29 CFR Part 1904), rely strictly on the official OSHA 4-digit SIC classification rather than an automated commercial translation.
💡 Expert Guidance: SIC to NAICS Conversion
Common Compliance Mistake: Many contractors and B2B analysts confuse legacy 4-digit SIC codes like 5531 with modern 6-digit NAICS codes. Ensure that you use the correct active 2022 NAICS code (e.g. from the crosswalk below) when submitting representations on SAM.gov, as federal contracting officers only accept modern NAICS codes.
Related Pages & Tools
Further regulatory reference links for legacy SIC code 5531:
- 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 5531 to NAICS Crosswalk — Bidirectional mapping to modern NAICS codes (Auto and Home Supply Stores).
- SIC Major Group 55 Hub — View other legacy industries in this business division.
Frequently Asked Questions (FAQ)
What industry sector is represented by legacy SIC code 5531? ▾
Legacy SIC code 5531 represents 'Auto and Home Supply Stores', categorized under Division Division G: Retail Trade and Major Group Major Group 55: Automotive Dealers and Gasoline Service Stations. The Standard Industrial Classification (SIC) system was developed in the late 1930s.
What is the modern 2022 NAICS equivalent for legacy SIC 5531? ▾
Legacy SIC code 5531 maps to the modern 2022 NAICS industry classifications: NAICS 455219 (All Other General Merchandise Retailers), NAICS 441340 (Tire Dealers), NAICS 441330 (Automotive Parts and Accessories Retailers). Mappings are resolved transitively across successive updates to handle splits.
Why do credit agencies and banks still reference legacy SIC code 5531? ▾
Registries like Dun & Bradstreet, insurance underwriters, and private platforms retain SIC code 5531 because their historical financial risk data and scoring models are indexed using the legacy 4-digit SIC framework.
Does the SEC EDGAR system allow searching public filings by SIC 5531? ▾
Yes. The SEC Division of Corporation Finance assigns a primary 4-digit SIC code to public companies. You can search the EDGAR database using SIC code 5531 to group reporting peer firms.
How do OSHA safety recordkeeping rules apply to SIC code 5531? ▾
Under 29 CFR Part 1904 safety regulations, OSHA references legacy SIC codes including 5531 to determine if a physical establishment is required to maintain daily injury logs (Form 300) or is partially exempt.
What is the structural difference between SIC 5531 and NAICS codes? ▾
SIC code 5531 classifies establishments based on their final product output or market destination (what they sell), while modern NAICS codes classify them based on production processes and inputs (how they work).
What are the typical business activities classified under legacy SIC 5531? ▾
Typical business activities classified under legacy SIC 5531 are the operations associated with 'Auto and Home Supply Stores'. Mapped modern NAICS codes can be referenced for specific current examples.
Is legacy SIC code 5531 uniform across all 50 U.S. states? ▾
Yes, the Standard Industrial Classification (SIC) system, including code 5531, was published as a federal standard and remains uniform nationwide. It is still referenced by various state workers' compensation boards and departments of labor.
Sources & References
- U.S. Department of Labor (OSHA): OSHA Standard Industrial Classification (SIC) Manual — Code 5531
- U.S. Census Bureau: 1987 SIC to 2022 NAICS Concordance Tables
- Federal Reserve Board: Industrial Production & Capacity Utilization Classifications
- Internal Revenue Service (IRS): Schedule C Principal Business Activity (PBA) Industry Concordance
- Office of Management and Budget (OMB): Standard Industrial Classification Systems Governance