332410 — Power Boiler and Heat Exchanger Manufacturing
Description
This industry comprises establishments primarily engaged in manufacturing power boilers and heat exchangers. Establishments in this industry may perform installation in addition to manufacturing power boilers and heat exchangers.
Overview Facts
| NAICS Code | 332410 |
|---|---|
| Industry Title | Power Boiler and Heat Exchanger Manufacturing |
| SBA Size Standard | 750 employees |
| IRS PBA Code | 332400 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 332 → 3324 |
| 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 3443 - Fabricated Plate Work (via SIC1987:3443→NAICS1997:33241→2002:332410→2007:332410→2012:332410→2017:332410→2022:332410)
- SIC 3559 - Special Industry Machinery, NEC (via SIC1987:3559→NAICS1997:33241→2002:332410→2007:332410→2012:332410→2017:332410→2022:332410)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 332410:
- 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 3324
Frequently Asked Questions (FAQ)
Is 332410 a valid 2022 NAICS code?
NAICS 332410 is 'Power Boiler and Heat Exchanger Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 750 employees.
What is the SBA size standard for NAICS 332410?
The SBA small business size standard for NAICS 332410 is 750 employees (based on employees).
What is the legacy SIC code mapping for 332410?
NAICS code 332410 maps to the legacy 1987 SIC codes: 3443 - Fabricated Plate Work, 3559 - Special Industry Machinery, NEC.