327420 — Gypsum Product Manufacturing
Description
This industry comprises establishments primarily engaged in manufacturing gypsum products, such as wallboard, plaster, plasterboard, molding, ornamental moldings, statuary, and architectural plaster work. Gypsum product manufacturing establishments may mine, quarry, or purchase gypsum.
Exclusions & Cross-References
- Establishments primarily engaged in operating gypsum mines or quarries are classified in Industry 212390, Other
- Nonmetallic Mineral Mining and Quarrying.
Overview Facts
| NAICS Code | 327420 |
|---|---|
| Industry Title | Gypsum Product Manufacturing |
| SBA Size Standard | 1,500 employees |
| IRS PBA Code | 327400 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 327 → 3274 |
| 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 3275 - Gypsum Products (via SIC1987:3275→NAICS1997:32742→2002:327420→2007:327420→2012:327420→2017:327420→2022:327420)
- SIC 3299 - Nonmetallic Mineral Products, NEC (via SIC1987:3299→NAICS1997:32742→2002:327420→2007:327420→2012:327420→2017:327420→2022:327420)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 327420:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing 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 3274
Frequently Asked Questions (FAQ)
Is 327420 a valid 2022 NAICS code?
NAICS 327420 is 'Gypsum Product Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,500 employees.
What is the SBA size standard for NAICS 327420?
The SBA small business size standard for NAICS 327420 is 1,500 employees (based on employees).
What is the legacy SIC code mapping for 327420?
NAICS code 327420 maps to the legacy 1987 SIC codes: 3275 - Gypsum Products, 3299 - Nonmetallic Mineral Products, NEC.