335999 — All Other Miscellaneous Electrical Equipment and Component Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing industrial and commercial electric apparatus and other equipment (except lighting equipment, household appliances, transformers, motors, generators, switchgear, relays, industrial controls, batteries, communication and energy wire and cable, wiring devices, and carbon and graphite products). Examples of products made by these establishments are power converters (i.e., AC to DC and DC to AC), power supplies, surge suppressors, and similar equipment for industrial-type and consumer-type equipment (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Appliance cords made from purchased insulated wire
- Battery chargers, solid-state, manufacturing
- Door opening and closing devices, electrical, manufacturing
- Electric bells manufacturing
- Extension cords made from purchased insulated wire
- Inverters manufacturing
- Surge suppressers manufacturing
- Uninterruptible power supplies (UPS) manufacturing
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 3629 - Electrical Industrial Apparatus, NEC (via SIC1987:3629→NAICS1997:335999→2002:335999→2007:335999→2012:335999→2017:335999→2022:335999)
- SIC 3699 - Electrical Machinery Equipment, and Supplies, NEC (via SIC1987:3699→NAICS1997:335999→2002:335999→2007:335999→2012:335999→2017:335999→2022:335999)
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 5975 — Electrical Hardware and Supplies
- PSC 6105 — Motors, Electrical
- PSC 6110 — Electrical Control Equipment
- PSC 6115 — Generators and Generator Sets, Electrical
- PSC 6125 — Converters, Electrical, Rotating
- PSC 6130 — Converters, Electrical, Nonrotating
- PSC 6145 — Wire and Cable, Electrical
- PSC 6150 — Miscellaneous Electric Power and Distribution Equipment
- PSC 6210 — Indoor and Outdoor Electric Lighting Fixtures
- PSC 6220 — Electric Vehicular Lights and Fixtures
- PSC 6230 — Electric Portable and Hand Lighting Equipment
- PSC 6240 — Electric Lamps
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 335999 valid in 2022? ▾
Yes, 335999 is a valid 6-digit 2022 NAICS national industry code representing 'All Other Miscellaneous Electrical Equipment and Component Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 335999? ▾
The Small Business Administration (SBA) has established a small business size standard of 600 employees for NAICS code 335999 (All Other Miscellaneous Electrical Equipment and Component Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 335999? ▾
According to official Census Bureau concordance tables, NAICS code 335999 (All Other Miscellaneous Electrical Equipment and Component Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3629 - Electrical Industrial Apparatus, NEC, 3699 - Electrical Machinery Equipment, and Supplies, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 335999:
- 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 335999 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (All Other Miscellaneous Electrical Equipment and Component Manufacturing).
- 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.