423810 — Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
Description
This industry comprises establishments primarily engaged in the merchant wholesale distribution of specialized machinery, equipment, and related parts generally used in construction, mining (except oil well), and logging activities.
Illustrative Examples
- Excavating machinery and equipment merchant wholesalers
- Road construction and maintenance machinery merchant wholesalers
- Forestry machinery and equipment merchant wholesalers
- Scaffolding merchant wholesalers
- Mining cranes merchant wholesalers
Exclusions & Cross-References
- Establishments primarily engaged in the merchant wholesale distribution of oil well machinery and equipment are
- classified in Industry 423830, Industrial Machinery and Equipment Merchant Wholesalers.
Overview Facts
| NAICS Code | 423810 |
|---|---|
| Industry Title | Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers |
| SBA Size Standard | 250 employees |
| IRS PBA Code | 423800 (rolled-up match) |
| Sectors Hierarchy | Sector 42 → 423 → 4238 |
| 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 5082 - Construction and Mining (via SIC1987:5082→NAICS1997:42181→2002:423810→2007:423810→2012:423810→2017:423810→2022:423810)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 423810:
- 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 4238
Frequently Asked Questions (FAQ)
Is 423810 a valid 2022 NAICS code?
NAICS 423810 is 'Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 250 employees.
What is the SBA size standard for NAICS 423810?
The SBA small business size standard for NAICS 423810 is 250 employees (based on employees).
What is the legacy SIC code mapping for 423810?
NAICS code 423810 maps to the legacy 1987 SIC codes: 5082 - Construction and Mining.