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NAICS Code· 335931

NAICS 335931: Current-Carrying Wiring Device Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing current-carrying wiring devices. Illustrative Examples: Bus bars, electrical conductors (except switchgear-type), manufacturing GFCI (ground fault circuit interrupters) manufacturing Lamp holders manufacturing Lightning arrestors and coils manufacturing Receptacles (i.e., outlets), electrical, manufacturing Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing Cross-References. Establishments primarily engaged in--Show more

NAICS 335931 – Current-Carrying Wiring Device Manufacturing encompasses the production of electrical components designed to safely conduct, control, and distribute electrical current in mission-critical applications. This includes switches, relays, circuit breakers, connectors, terminal blocks, and other wiring devices engineered for durability under extreme environmental conditions.

557
Active Contracts
$194.5M
Total Obligations (12mo)
4.6K
Awarded Contracts (12mo)
829
Contractors Awarded (12mo)
3
Median Bidders per Award
-28.1%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 335931.

AI Industry Description

NAICS 335931 – Current-Carrying Wiring Device Manufacturing encompasses the production of electrical components designed to safely conduct, control, and distribute electrical current in mission-critical applications. This includes switches, relays, circuit breakers, connectors, terminal blocks, and ...

NAICS 335931 – Current-Carrying Wiring Device Manufacturing encompasses the production of electrical components designed to safely conduct, control, and distribute electrical current in mission-critical applications. This includes switches, relays, circuit breakers, connectors, terminal blocks, and other wiring devices engineered for durability under extreme environmental conditions. These components are essential to military vehicle electrical systems, naval vessel control panels, aerospace avionics, and hardened communications infrastructure. In government contracting, this NAICS code supports defense modernization, fleet sustainment, and infrastructure resilience programs, where reliability and compliance with MIL-SPEC standards are non-negotiable. Products in this category must meet stringent performance, thermal, and electromagnetic interference requirements, making manufacturing capabilities tightly aligned with defense and aerospace supply chains. Top contractors in this sector include PMI Industries, Inc., Starwin Industries, LLC, and Marathon Medical Corporation, representing a mix of specialized small businesses and niche manufacturers with deep expertise in high-reliability electrical components. DAP Construction Management LLC and Power Clinic Inc. also appear among leading awardees, suggesting a blend of direct manufacturing and integrated system support roles. The competitive landscape favors firms with AS9100 and ISO 9001 certifications, as well as experience in producing components for military-grade environments. The Department of Defense, particularly through NSWC Philadelphia Division under NAVSEA, is the dominant buyer, driving demand for wiring devices used in naval platforms, submarine systems, and expeditionary equipment. Procurement is tied to shipbuilding, maintenance, and modernization initiatives requiring robust, corrosion-resistant, and vibration-tolerant electrical interfaces. Market opportunities are concentrated among suppliers with proven track records in military qualification processes and rapid prototyping capabilities. Demand remains steady due to lifecycle upgrades of legacy systems and the increasing complexity of electrified military platforms, creating consistent demand for certified, low-volume, high-integrity manufacturers.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 335931 work as a small business.

600 employees
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

Companies with the highest total award value under NAICS 335931, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
ACE ELECTRONICS DEFENSE SYSTEMS, LLC$13.8M39
DRS NETWORK & IMAGING SYSTEMS LLC$7.5M7
ASRC FEDERAL FACILITIES LOGISTICS, LLC$6.7M116
CROWN CLOTHING CO$4.8M29
REV-CAP COMPANY, INC.$4.3M197
ELBITAMERICA, INC.$4.1M3
PHILLIP CABLE MANUFACTURING, INC.$4.0M152
HONEYWELL LIMITED$3.5M1
UNITED STATES TECHNOLOGIES INC$3.2M4
RANTEC POWER SYSTEMS INC.$3.1M2

Top Agencies

Federal agencies directing the most contract spending toward NAICS 335931.

Department Of Defense4,289 awards$133.0M
DLA Aviation118 awards$23.6M
DLA Land And Maritime128 awards$22.1M
Ut DLA Aviation At Ogden5 awards$8.0M
Department Of Defense (dod)19 awards$2.5M
DLA Land Warren7 awards$1.6M
W4GG Hq US Army Tacom3 awards$1.0M
Al DLA Aviation At Huntsville1 award$494K
DLA Maritime - Norfolk4 awards$328K
Department Of The Interior6 awards$323K

Competition

How many companies historically bid on federal awards in NAICS 335931, from bidder counts reported on USAspending.

Moderate Competition

Median 3-5 bidders per reported award. · 106,380 reported awards

Median Bidders

3

Per reported award, all-time

Single-Bid Awards

31%

Share of reported awards with one bidder

10+ Bidder Awards

11%

Share of reported awards with 10+ bidders

Reported Awards

106,380

94% of 112,948 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
335931This Code
Current-Carrying Wiring Device Manufacturing
Moderate Competition331%
106,38094% of 112,948
33593NAICS Industry
Moderate Competition331%
128,18284% of 152,119
3359Industry Group
Other Electrical Equipment and Component Manufacturing
Usually Single-Bid150%
557,03556% of 998,769
335Subsector
Fewer Bidders244%
910,15864% of 1,420,758
33Sector
Manufacturing
Fewer Bidders244%
16,883,00469% of 24,369,785

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Current-Carrying Wiring Device Manufacturing, by shared sector, subsector, and industry group.

Battery Manufacturing

This industry comprises establishments primarily engaged in manufacturing primary and storage batter...
335910Same Industry GroupHigh Similarity

Fiber Optic Cable Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing insulated fiber optic...
335921Same Industry GroupHigh Similarity

Other Communication and Energy Wire Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing insulated wire and ca...
335929Same Industry GroupHigh Similarity

Noncurrent-Carrying Wiring Device Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing noncurrent-carrying w...
335932Same Industry GroupHigh Similarity

Carbon and Graphite Product Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing carbon, graphite, and...
335991Same Industry GroupHigh Similarity

All Other Miscellaneous Electrical Equipment and Component Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing industrial and commer...
335999Same Industry GroupHigh Similarity

Residential Electric Lighting Fixture Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing fixed or portable res...
335131Same SubsectorMedium Similarity

Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing commercial, industria...
335132Same SubsectorMedium Similarity

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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NAICS 335931 FAQ

Frequently Asked Questions

NAICS code 335931 covers Current-Carrying Wiring Device Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing current-carrying wiring devices. Illustrative Examples: Bus bars, electrical conductors (except switchgear-type), manufacturing GFCI (ground fault circuit interrupters) manufacturing Lamp holders manufacturing Lightning arrestors and coils manufacturing Receptacles (i.e., outlets), electrical, manufacturing Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing Cross-References. Establishments primarily engaged in--

Recently Posted in Current-Carrying Wiring Device Manufacturing

NAICS: 335931
New
DIBBS
Manufacturing of Power Cable Assemblies (NSN 6150-01-463-7055)This subcontract involves the manufacture and supply of three specialized electrical power cable assemblies under NSN 6150-01-463-7055 for the Department of Defense DLA Weapons Support ASC Commodities Division. The contractor is responsible for fabricating assemblies to P/N 300809-0015 specifications while strictly adhering to the DLA Master List of Technical and Quality Requirements and MIL-STD-129 marking standards. Quality control inspections must be performed in accordance with MIL-STD-105/AQS Z1.4, and the submission of Source Approval Request documentation is required. The opportunity is designated as a Total Small Business Set-Aside under NAICS code 335931, with performance taking place in New Cumberland. Interested parties must respond by October 22, 2026. This procurement ensures that prime contractors receive critical power cable components that meet rigorous military specifications for weapons support commodities.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 23 hours ago

DEADLINE

in 7 days
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NAICS: 335931
New
DIBBS
Manufacturing of Special Purpose Electrical Cable AssembliesThis subcontract involves the manufacture of 14 special purpose electrical cable assemblies for prime contractors supporting the DLA Weapons Support ASC Commodities Division. The contractor is responsible for fabricating assemblies according to NSN 5995-01-708-5137 and L3Harris P/N 12193-0420-A30 specifications, with performance of sampling and inspection conducted per MIL-STD-1916 or ASQ H1331 and marking requirements following RQ017. The project requires the contractor to maintain a CMMC Level 2 self-assessment and demonstrate the capability to handle Covered Defense Information. All completed assemblies must be tested, packaged, and delivered to the place of performance in New Cumberland. The solicitation was posted on October 14, 2026, with a response deadline of October 22, 2026, under NAICS code 335931.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 23 hours ago

DEADLINE

in 7 days
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NAICS: 335931
New
DIBBS
Special Purpose Electrical Cable Assembly FabricationThis subcontract involves the fabrication of special purpose electrical cable assemblies for prime contractors supporting DLA supply contracts. The manufacturer must produce assemblies according to NSN 5995-01-687-0854 specifications while strictly adhering to the DLA Master List technical and quality requirements under RA001 and physical identification standards under RQ017. The final deliverables must be fully completed, tested, and properly identified. Managed by the Department of Defense under the DLA Weapons Support ASC Commodities Division, the project falls under NAICS code 335931 and will be performed in New Cumberland. A critical security requirement for this contract is the mandatory CMMC Level 2 Self-Assessment for all utilized information systems. The solicitation was posted on October 14, 2026, with a response deadline of October 22, 2026.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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about 23 hours ago

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in 7 days
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NAICS: 335931
New
DIBBS
Specialized Electrical Cable Assembly ManufacturingThis subcontract involves the manufacture of 13 specialized electrical cable assemblies for the DLA Weapons Support ASC Commodities Division. The scope of work includes the cutting, stripping, crimping, and assembly of connectors and shielding for NSN 5995-01-657-5759, following Rockwell Collins part number 987-0021-196. All delivered units must be fully completed, tested, and marked. The contractor is required to maintain CMMC Level 2 certification and ensure strict adherence to MIL-STD-2073-1E and MIL-STD-129 standards. Performance will take place in Tracy, California. The response deadline for this opportunity is October 22, 2026.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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about 23 hours ago

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in 7 days
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NAICS: 335931
New
DIBBS
Manufacturing of Special Purpose Electrical Cable Assemblies (NSN 5995-01-684-7754)This subcontract involves the manufacturing of four special purpose electrical cable assemblies, identified by NSN 5995-01-684-7754, for prime contractors supporting the DLA Weapons Support ASC Commodities Division. The contractor is responsible for assembling the cables according to specific technical data and must utilize testing equipment to verify electrical continuity. Strict adherence to quality and packaging standards is required, including sampling methods per MIL-STD-1916 or ASQ H1331, and compliance with RA001 and RQ017. Additionally, all packaging must meet RP001 and MIL-STD-129 specifications. The work is associated with NAICS code 335931 and is to be performed in New Cumberland.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 23 hours ago

DEADLINE

in 7 days
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NAICS: 335931
New
DIBBS
Manufacturer of Special Purpose Electrical Cable Assemblies (NSN 6150-01-142-8549)This subcontract opportunity is for the manufacture of special purpose electrical cable assemblies under NSN 6150-01-142-8549 to support prime contractors for the DLA Weapons Support ASC Commodities Division. The selected provider will be responsible for fabricating assemblies and conducting First Article Testing to validate all production processes. Strict adherence to military standards is required, specifically MIL-PRF-23199E and MIL-STD-2073-1E for packaging and MIL-STD-129 for marking, with final delivery to DLA distribution depots within the continental United States. The project is categorized under NAICS code 335931 and is designated as a Total Small Business Set-Aside. Interested parties must submit their responses by October 29, 2026. This Department of Defense requirement focuses on high-specification electrical components essential for weapons support operations.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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about 23 hours ago

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in 14 days
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NAICS: 335931
New
DIBBS
Wiring Harness Fabrication and Supply (NSN 6150-01-004-2951)This subcontract involves the fabrication and supply of two finished wiring harnesses for prime contractors supporting the DLA Weapons Support ASC Commodities Division. The assemblies must be manufactured according to the technical data for NSN 6150-01-004-2951 and must strictly adhere to the DLA Master List of Technical and Quality Requirements RA001. All deliverables must be packaged and marked in accordance with MIL-STD-2073-1E and MIL-STD-129 standards. The performance of this contract takes place in New Cumberland, Pennsylvania, under NAICS code 335931. To be eligible, the provider must maintain CDI compliance and complete a CMMC Level 2 Self-Assessment. The solicitation was posted on October 14, 2026, with a response deadline of October 22, 2026.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 23 hours ago

DEADLINE

in 7 days
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NAICS: 335931
Awarded
DIBBS
CABLE ASSEMBLY, SPEC
Solicitation # SPE4A6-26-T-20YJ
Solicitation SPE4A6-26-T-20YJ is a fixed-price procurement issued by the Defense Logistics Agency Aviation ASC Commodities Division for three units of a specific cable assembly, identified by NSN 5995016933572. The requirement is for a critical application item associated with PM Soldier Weapons CROWS 6KX34 and Kongsberg Defence and Aerospace AS. The required delivery date is February 25, 2027, with a delivery period of 181 days. Shipping is designated as FOB Origin, with the destination for both inspection and acceptance located at DLA Distribution San Joaquin in Tracy, California. The contract mandates strict adherence to quality and packaging standards, including MIL-STD-2073-1E for packaging, MIL-STD-129 for marking, and RP001 for palletization. Quality assurance requires sampling per MIL-STD-1916 or ASQ H1331, with a zero-nonconformance requirement for acceptance if MIL-STD-105/ASQ Z1.4 is used. Additionally, the contractor must comply with CMMC Level 2 self-assessment requirements, the Buy American Act, and the Berry Amendment. Invoicing and payment must be processed electronically through the Wide Area WorkFlow system.
Defense Logistics Agency

POSTED

about 23 hours ago

DEADLINE

N/A
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NAICS: 335931
New
DIBBS
CORD ASSEMBLY, ELECTRIC
Solicitation # SPE4A6-27-T-4031
Solicitation SPE4A6-27-T-4031, issued by the DLA Weapons Support ASC Commodities Division, is a request for quotations for the procurement of 76 feet of electrical cord assembly, identified by NSN 5995017287759. The requirement is for a critical application item with a permitted quantity variance of plus or minus 10 percent. Delivery is specified as FOB Origin, with a need ship date of April 6, 2027, and an original required delivery date of September 20, 2027. The items are to be delivered to the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. The contract mandates strict quality and packaging standards, including compliance with MIL-STD-2073-1E for packaging and MIL-STD-129 for marking. Inspection and acceptance will occur at the destination under FAR 52.246-2, utilizing sampling methods such as MIL-STD-1916 or ASQ H1331. Payment and receiving reports must be processed electronically via the Wide Area Workflow system. The solicitation is governed by NAICS code 335931 and includes various federal and defense clauses, including the Buy American Act, the Berry Amendment, and NIST SP 800-171 cybersecurity requirements. Offerors must submit quotes through the DIBBS portal.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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in 7 days
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NAICS: 335931
New
DIBBS
CABLE ASSEMBLY, SPECIAL
Solicitation # SPE4A6-27-T-4029
Solicitation SPE4A6-27-T-4029 is a fixed-price contract issued by the Defense Logistics Agency (DLA) Weapons Support ASC Commodities Division for the procurement of eight special purpose electrical cable assemblies, identified by NSN 5995-01-706-2354. The requirement is designated as a critical application item, specifically referencing Dynalec Corporation part number 63103-250-5. Delivery is required within 165 days of award, with a need ship date of April 6, 2027, and a final required delivery date of April 21, 2027. The items are to be delivered FOB Origin to the DLA Distribution New Cumberland facility in Pennsylvania. The contract mandates strict adherence to quality and technical standards, including MIL-STD-1916 or ASQ H1331 for sampling and MIL-STD-129 for marking. Packaging must comply with MIL-STD-2073-1E and DLA packaging requirements under RP001. Inspection and acceptance will occur at the destination per FAR 52.246-2. Key compliance requirements include a CMMC Level 2 self-assessment, adherence to the Buy American and Balance of Payments Program, and the use of the Wide Area WorkFlow (WAWF) system for electronic invoicing and payment. Offerors must submit quotes via DIBBS under NAICS code 335931 and certify their size status and compliance regarding covered defense telecommunications equipment.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

about 23 hours ago

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in 7 days
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NAICS: 335931
New
DIBBS
CABLE ASSEMBLY, SPECIAL
Solicitation # SPE4A6-27-T-4017
Solicitation SPE4A6-27-T-4017 is a fixed-price requirement issued by the DLA Weapons Support ASC Commodities Division for the procurement of 14 units of a special purpose electrical cable assembly. The item is identified as L3Harris Global Communications Inc. part number 12193-0420-A30, with NSN 5995-01-708-5137. Delivery is required within 273 days, with shipping terms set as FOB Origin and delivery to the DLA Distribution DDSP New Cumberland facility in Pennsylvania. Inspection and acceptance will occur at the destination. The contract mandates strict adherence to quality and technical standards, including MIL-STD-2073-1E for packaging, MIL-STD-129 for marking, and specific sampling methods per MIL-STD-1916 or ASQ H1331. Compliance requirements include a CMMC Level 2 self-assessment, safeguarding of covered defense information, and adherence to the Buy American Act and Berry Amendment. Payment processing must be handled through the Wide Area WorkFlow system. The acquisition falls under NAICS code 335931 and requires all quotes to be submitted via the DLA Internet Bid Board System.
DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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in 7 days
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NAICS: 335931
Awarded
DIBBS
WIRING HARNESS, BRAN
Solicitation # SPE4A6-26-T-19BA
This contract is for the procurement of 13 units of Wiring Harness, BRAN, identified by NSN 6150014774847. The agreement specifies a delivery timeframe of 170 days, with a required delivery date of March 16, 2027, and a need ship date of February 12, 2027. Shipping is designated as FOB Origin, with inspection and acceptance occurring at the destination, specifically DLA Distribution San Joaquin in Tracy, California. The contract mandates strict adherence to DLA packaging requirements and MIL-STD-129 marking standards. A critical environmental restriction prohibits the intentional addition of mercury or mercury-containing compounds, except for specific functional exceptions defined by NAVSEA. Quality assurance and sampling must comply with MIL-STD-1916 or ASQ H1331, utilizing a zero-based sampling plan unless otherwise specified. Technical and quality requirements are governed by the DLA Master List, and the quantity variance is set at plus or minus 0 percent.
Defense Logistics Agency

POSTED

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