334515 — Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
Description
This U.S. industry comprises establishments primarily engaged in manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals. Examples of products made by these establishments are circuit and continuity testers, voltmeters, ohm meters, wattmeters, multimeters, and semiconductor test equipment.
Overview Facts
| NAICS Code | 334515 |
|---|---|
| Industry Title | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals |
| SBA Size Standard | 750 employees |
| IRS PBA Code | 334500 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 334 → 3345 |
| 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 3663 - Radio and Television Broadcasting and Communications Equipment (via SIC1987:3663→NAICS1997:33422→2002:334220→2007:334515→2012:334515→2017:334515→2022:334515)
- SIC 3679 - Electronic Components, NEC (via SIC1987:3679→NAICS1997:33422→2002:334220→2007:334515→2012:334515→2017:334515→2022:334515)
- SIC 3825 - Instruments for Measuring and Testing of Electricity and Electrical Signals (via SIC1987:3825→NAICS1997:334515→2002:334515→2007:334515→2012:334515→2017:334515→2022:334515)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 334515:
- 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 3345
Frequently Asked Questions (FAQ)
Is 334515 a valid 2022 NAICS code?
NAICS 334515 is 'Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals', 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 334515?
The SBA small business size standard for NAICS 334515 is 750 employees (based on employees).
What is the legacy SIC code mapping for 334515?
NAICS code 334515 maps to the legacy 1987 SIC codes: 3663 - Radio and Television Broadcasting and Communications Equipment, 3679 - Electronic Components, NEC, 3825 - Instruments for Measuring and Testing of Electricity and Electrical Signals.