NAICS 335931: Current-Carrying Wiring Device Manufacturing

Current-Carrying Wiring Device Manufacturing is NAICS code 335931. A business is small under it with 600 employees or fewer. 53 federal contracts are open on SAM.gov under this code right now.

SBA size standard
600 employees or fewer
Open contracts now
53
Federal spending, FY2025
$193.8 million
Share won by small businesses
58%
Small businesses registered
585

Open federal contracts for current-carrying wiring device manufacturing

Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.

  • WIRING HARNESS

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support wants a competitively priced quote to supply a wiring harness for the Navy.

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • POWER SUPPLY, IN REPAIR/MODIFICATION OF

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support Philadelphia plans to award this repair contract sole source to Sikorsky Aircraft Corp, to repair 2 power supply units (P/N 06550-00813-103, NSN…

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • WIRING HARNESS

    Dept of Defense · Dept of the Navy

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • CHARGER,BATTERY,AIR

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic components

    Due in 1 dayOct 5, 2026

  • CONTACT,ELECTRICAL

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic components

    Due in 3 daysOct 7, 2026

  • SWITCH,SENSITIVE

    Dept of Defense · Defense Logistics Agency

    Electrical & electronic components

    Due in 3 daysOct 7, 2026

See all 53 open contracts under NAICS 335931 →

What NAICS 335931 covers

The Census Bureau's NAICS index lists these kinds of work under 335931:

  • Arrestors and coils, lighting, manufacturing
  • Automotive electrical switches manufacturing
  • Bus bars, electrical conductors (except switchgear-type), manufacturing
  • Caps and plugs, attachment, electric, manufacturing
  • Conductor connectors, solderless connectors, sleeves, or soldering lugs, manufacturing
  • Connectors and terminals for electrical devices manufacturing
  • Connectors, electric cord, manufacturing
  • Contacts, electrical (except carbon and graphite), manufacturing
  • Convenience outlets, electric, manufacturing
  • Cord connectors, electric, manufacturing
  • Current taps, attachment plug and screw shell types, manufacturing
  • Cutouts, switch and fuse, manufacturing
  • Dimmer switches, outlet box mounting-type, manufacturing
  • Duplex receptacles, electrical, manufacturing

The index lists 39 entries for this code in all.

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 335931

To count as a small business for a contract assigned NAICS 335931, your business must have 600 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys current-carrying wiring device manufacturing

Agencies that awarded the most under NAICS 335931 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Defense Logistics Agency$447.2 million
Department of the Navy$132.7 million
Department of the Army$4.8 million
Department of the Air Force$2.6 million
Federal Aviation Administration$1.7 million
Department of Energy$836,958
National Oceanic and Atmospheric Administration$657,297
Export-Import Bank of the United States$459,534

Open notices right now come from Dept of Defense (97) and Department of Energy (1).

Set-asides on open 335931 contracts

  • No set-aside (full and open): 85
  • Women-owned set-aside: 7
  • Total small business set-aside: 5
  • Service-disabled veteran-owned set-aside: 1

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

585 businesses with active SAM.gov registrations are rated small under NAICS 335931, most of them in California (72), Florida (60), Texas (49), Virginia (43) and Michigan (29). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 335931 by year

Fiscal yearContract obligations
FY2024$232.7 million
FY2025$193.8 million
FY2026$165.7 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 335931?

335931 is the 2022 NAICS code for Current-Carrying Wiring Device Manufacturing. The Census Bureau's index lists work such as arrestors and coils, lighting, manufacturing, automotive electrical switches manufacturing, bus bars, electrical conductors (except switchgear-type), manufacturing under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 335931?

600 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for current-carrying wiring device manufacturing?

Yes. 53 federal contract opportunities under NAICS 335931 are open on SAM.gov right now. Agencies obligated about $193.8 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 335931 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.