423320 — Brick, Stone, and Related Construction Material Merchant Wholesalers
Description
This industry comprises establishments primarily engaged in the merchant wholesale distribution of stone, cement, lime, construction sand, and gravel; brick; asphalt and concrete mixtures; and/or concrete, stone, and structural clay products.
Exclusions & Cross-References
- Merchant wholesale distribution of refractory brick and other refractory products or industrial sand--are
- classified in Industry 423840, Industrial Supplies Merchant Wholesalers;
- Selling ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing; and
- WHOLESALE TRADE 311
- 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 | 423320 |
|---|---|
| Industry Title | Brick, Stone, and Related Construction Material Merchant Wholesalers |
| SBA Size Standard | 150 employees |
| IRS PBA Code | 423300 (rolled-up match) |
| Sectors Hierarchy | Sector 42 → 423 → 4233 |
| 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 5032 - Brick, Stone, and Related Construction Materials (via SIC1987:5032→NAICS1997:42132→2002:423320→2007:423320→2012:423320→2017:423320→2022:423320)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 423320:
- 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 4233
Frequently Asked Questions (FAQ)
Is 423320 a valid 2022 NAICS code?
NAICS 423320 is 'Brick, Stone, and Related Construction Material Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 150 employees.
What is the SBA size standard for NAICS 423320?
The SBA small business size standard for NAICS 423320 is 150 employees (based on employees).
What is the legacy SIC code mapping for 423320?
NAICS code 423320 maps to the legacy 1987 SIC codes: 5032 - Brick, Stone, and Related Construction Materials.