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) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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
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)
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 L096 — Technical Representation Services: Ores, Minerals, and Their Primary Products
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 423520 valid in 2022? ▾
Yes, 423520 is a valid 6-digit 2022 NAICS national industry code representing 'Coal and Other Mineral and Ore Merchant Wholesalers' under Sector 42 in the official classification index.
What is the SBA size standard for NAICS code 423520? ▾
The Small Business Administration (SBA) has established a small business size standard of 200 employees for NAICS code 423520 (Coal and Other Mineral and Ore Merchant Wholesalers), calculated based on employees.
What is the legacy SIC equivalent for NAICS 423520? ▾
According to official Census Bureau concordance tables, NAICS code 423520 (Coal and Other Mineral and Ore Merchant Wholesalers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 5052 - Coal and Other Minerals and Ores.
Related Pages & Tools
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.
- NAICS 423520 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Coal and Other Mineral and Ore Merchant Wholesalers).
- 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.