423520 — Coal and Other Mineral and Ore Merchant Wholesalers
Description
This industry comprises establishments primarily engaged in the merchant wholesale distribution of coal, coke, metal ores, and/or nonmetallic minerals (except precious and semiprecious stones and minerals used in construction, such as sand and gravel).
Exclusions & Cross-References
- Merchant wholesale distribution of nonmetallic minerals used in construction, such as sand and gravel--are
- classified in Industry 423320, Brick, Stone, and Related Construction Material Merchant Wholesalers;
- Merchant wholesale distribution of industrial sand--are classified in Industry 423840, Industrial Supplies
- Merchant Wholesalers;
- Merchant wholesale distribution of crude petroleum--are classified in Industry Group 4247, Petroleum and
- Petroleum Products Merchant Wholesalers;
- Merchant wholesale distribution of precious and semiprecious stones and metals--are classified in Industry
- 423940, Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers; and
- Quarrying, dredging, and/or beneficiating construction sand and gravel--are classified in U.S. Industry
- 212321, Construction Sand and Gravel Mining.
Overview Facts
| NAICS Code | 423520 |
|---|---|
| Industry Title | Coal and Other Mineral and Ore Merchant Wholesalers |
| SBA Size Standard | 200 employees |
| IRS PBA Code | 423500 (rolled-up match) |
| Sectors Hierarchy | Sector 42 → 423 → 4235 |
| 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 5052 - Coal and Other Minerals and Ores (via SIC1987:5052→NAICS1997:42152→2002:423520→2007:423520→2012:423520→2017:423520→2022:423520)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 423520:
- Sector 42 Directory Hub — List of related industries in the Wholesale Trade 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 4235
Frequently Asked Questions (FAQ)
Is 423520 a valid 2022 NAICS code?
NAICS 423520 is 'Coal and Other Mineral and Ore Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 200 employees.
What is the SBA size standard for NAICS 423520?
The SBA small business size standard for NAICS 423520 is 200 employees (based on employees).
What is the legacy SIC code mapping for 423520?
NAICS code 423520 maps to the legacy 1987 SIC codes: 5052 - Coal and Other Minerals and Ores.