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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
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)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 6525 — X-Ray Equipment and Supplies: Medical, Dental, Veterinary
- PSC 6620 — Engine Instruments
- PSC 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
- PSC 6630 — Chemical Analysis Instruments
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 334515 valid in 2022? ▾
Yes, 334515 is a valid 6-digit 2022 NAICS national industry code representing 'Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 334515? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 334515 (Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals), calculated based on employees.
What is the legacy SIC equivalent for NAICS 334515? ▾
According to official Census Bureau concordance tables, NAICS code 334515 (Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals) maps to legacy 1987 Standard Industrial Classification (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.
Related Pages & Tools
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.
- NAICS 334515 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals).
- 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.