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NAICS Code· 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.

380
Active Contracts
$241.8M
Total Obligations (12mo)
5.3K
Awarded Contracts (12mo)
972
Contractors Awarded (12mo)
-36.2%
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.

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$15.1M44
RUTA SUPPLIES INC$8.9M8
ASRC FEDERAL FACILITIES LOGISTICS, LLC$7.8M135
DRS NETWORK & IMAGING SYSTEMS LLC$7.3M7
PHILLIP CABLE MANUFACTURING, INC.$5.3M190
REV-CAP COMPANY, INC.$4.9M228
CROWN CLOTHING CO$4.8M28
LOCKHEED MARTIN CORPORATION$4.6M6
JO-KELL INC.$4.3M55
UNITED STATES TECHNOLOGIES INC$3.5M5

Top Agencies

Federal agencies directing the most contract spending toward NAICS 335931.

Department Of Defense4,824 awards$150.0M
DLA Land And Maritime201 awards$40.7M
DLA Aviation189 awards$33.4M
Ut DLA Aviation At Ogden6 awards$6.0M
Department Of Defense (dod)21 awards$2.8M
Al DLA Aviation At Huntsville4 awards$2.8M
DLA Land Warren10 awards$2.0M
W4GG Hq US Army Tacom4 awards$1.1M
Nswc Philadelphia Division2 awards$765K
Ut DLA Aviation At Ogden1 award$755K

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

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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

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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
CONNECTOR, PLUG, ELECTRIThis contract specifies the procurement of a connector plug, electrical part number 30-276-WE26SA with NSN 5935-01-460-6184, for a quantity of eight units, with delivery mandated to occur within 171 days from the contract award. All technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements, with revisions controlled by the solicitation or award date depending on the acquisition size. The item is classified as a critical application and must comply with stringent packaging standards including MIL-STD-2073-1E and MIL-STD-129 for marking, while palletization must adhere to DLA Packaging Requirements for Procurement. Unit of issue is each, with zero variance permitted in quantity, and inspection and acceptance both occur at the destination. Item Unique Identification is not required per the service customer’s request, and DFARS 252.211-7003(c)(1)(i) applies. Sampling must follow MIL-STD-1916 or ASQ H1331 with zero non-conformances required unless otherwise specified, and attribute verification levels are fixed unless otherwise defined. Packaging and marking instructions are detailed with specific codes for preservation, wrapping, and containerization. Delivery is FOB origin to the DLA distribution facility in New Cumberland, Pennsylvania, with a required ship date of January 10, 2027 and an original required delivery date of April 8, 2029. All logistical and transport instructions reference DLA procedural notes C19 and C20. The contract was published under solicitation SPE4A5-26-T-286Z, with responses due by July 22, 2026, and is managed by the Department of Defense through the ASC Supplier Oper OEM Division.
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NAICS: 335931
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CONNECTOR, PLUG, ELECThe contract is for the procurement of two electrical plug connectors, identified by part number HBL63CM65 from HUBBELL INC WIRING DEVICE DIV and NSN 5935-01-538-4392, under solicitation SPE7M5-26-T-327U. Delivery is required within 20 days to Cherry Point, North Carolina, FOB origin, with inspection and acceptance occurring at the destination. The unit of issue is each, with a fixed quantity of two units and no variance allowed. Packaging must comply with DLA’s Master List of Technical and Quality Requirements, specifically RP001 for packaging standards, MIL-STD-129 for marking and labeling, and ASTM D3951 or TQ requirement IP025 if hazardous per FED-STD-313, with DLA requirements taking precedence over commercial standards. The use of ozone-depleting substances in manufacturing or processing is strictly prohibited unless written approval is obtained from the Contracting Officer, with exceptions only for commercial items as defined in FAR 11.001 or part-numbered-only items. All packaging must be palletized per RP001 and shipped via traceable freight, not parcel post, to the specified logistics address. The item must be delivered by July 9, 2026, and is subject to all applicable federal and military specifications referenced in the DLA Master List, with compliance verified at destination.
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NAICS: 335931
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ADAPTER, STUFFING TUThe contract pertains to the procurement of an ADAPTER, STUFFING TU with NSN 5975-01-661-9777 and part number M24758-19B from GLENAIR, INC., under solicitation SPE4A7-26-T-570M. A total of 98 units are required at a unit price of $98.00, with full payment due upon delivery. The item must be delivered FOB origin within 171 days from the contract award, with no tolerance for quantity variance—exactly 98 units must be furnished. All technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements, with revisions effective as of the solicitation issue date controlling unless amended. Sampling must adhere to MIL-STD-1916 or ASQ H1331 Table 1 using zero-defect acceptance criteria unless otherwise specified, and attributes must be assigned verification levels VII, IV, and II for critical, major, and minor classifications respectively. Packaging and marking must comply with MIL-STD-129 and DLA Packaging Requirements, with hazardous materials packaged per Fed-Std-313 and TQ requirement IP025, while non-hazardous items must meet ASTM D3951 unless superseded by DLA requirements. Palletization is mandatory per RP001 standards, and all packaging must be clearly labeled with the correct Unit of Issue and Quantity per Unit Pack. The delivery destination is the DLA Distribution facility in New Cumberland, PA, with the same address used for freight shipping and parcel post. Inspection and acceptance occur at the destination. The required delivery date is December 5, 2026, with a need ship date of January 10, 2027. All items must bear proper physical identification as per RQ017, and government identification must be removed from non-accepted supplies in accordance with RQ011. The point of contact for inquiries is Tasia Carney at the Department of Defense, with additional logistics guidance provided in DLAD Proc Notes C19 and C20.
ASC SUPPLIER OPER AE AND AF DIV

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NAICS: 335931
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CONNECTOR, PLUG, ELECThe contract calls for the procurement of 433 electrical plug connectors with NSN 5935-01-336-9017 under solicitation SPE7M5-26-T-327E, issued by the Defense Logistics Agency’s Active Devices Division. The item is subject to strict export control under ITAR or EAR regulations, meaning technical data associated with it cannot be disclosed to foreign persons without prior authorization from the Department of State or Commerce, and this restriction applies universally regardless of location or nationality. Contractors must be certified under the US/Canada Joint Certification Program, have completed mandatory DOD export-controlled data training and the DLA questionnaire, and receive explicit approval to access the controlled technical data. Compliance with DFARS 252.225-7048 is required. The contract also mandates adherence to DLA packaging standards, removal of government identification from non-accepted items, and incorporates technical and quality requirements from the DLA Master List, with the applicable revision determined by the solicitation date or amendment. Performance is due at Robins Air Force Base, Georgia, within 280 days of award, and the solicitation closes on July 27, 2026. The procurement is governed by NAICS code 335931 and requires the supplier to be a CMMC Level 2 certified third-party assessment organization.
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NAICS: 335931
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CABLE ASSEMBLY, RADIO FThis contract pertains to the procurement of a radio frequency cable assembly with NSN 5995-01-719-8262 and part number 4364332-4, requiring six units at a unit price of $6.00, totaling $36.00. Technical and quality requirements referenced in the document are governed by the DLA Master List of Technical and Quality Requirements, with the applicable revision determined by the solicitation or award date depending on the acquisition size. The product must be packaged in accordance with MIL-STD-2073-1E and marked per MIL-STD-129, with no special marking required. Packaging and palletization must comply with DLA’s specific procurement packaging standards. Delivery is FOB origin with a 161-day lead time, and inspection and acceptance occur at the destination. The final delivery point is the DLA Distribution facility in New Cumberland, Pennsylvania, with no variance permitted in quantity. The required ship date is January 5, 2027, and the original delivery deadline is June 20, 2027. Transportation and shipping details are governed by DLAD procedural notes C19 and C20. The solicitation number is SPE7L4-26-T-5632, issued by the Department of Defense’s Combat Vehicles and Armament office, with a response deadline of July 27, 2026, and the NAICS code is 335931. Primary point of contact is Anna-Rachelle Betts, reachable via email and phone listed in the contract data.
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NAICS: 335931
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CABLE ASSEMBLY, RADIO FThis contract specifies the procurement of a Radio Frequency Cable Assembly with part number 4364332-3 and NSN 5995-01-719-8254, requiring six units to be delivered in accordance with military packaging standards MIL-STD-2073-1E and marking requirements per MIL-STD-129. All technical and quality specifications are governed by the DLA Master List of Technical and Quality Requirements, with revisions controlled by the solicitation issue date or award date depending on acquisition size. The items must be delivered FOB origin within 161 days of contract award, with no variance allowed in quantity, and inspection and acceptance occur at the destination. Packaging and palletization must comply with DLA-specific requirements, including the use of prescribed materials and methods, and the shipment must be addressed to the DLA Distribution facility in New Cumberland, Pennsylvania. The contract is issued under solicitation SPE7L4-26-T-5636 with a response deadline in July 2026, and the required delivery date is June 20, 2027, with a need ship date of January 5, 2027. The contractor, BAE Systems Land & Armaments L.P., must adhere to all DLA procedures for transportation, freight, and documentation, with the primary point of contact listed for inquiries and coordination.
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NAICS: 335931
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CHASSIS, ELECTRICAL-The contract is for a single unit of a CHASSIS, ELECTRICAL-INTERCONNECTING BOX with NSN/Part Number 5975-01-684-5099, under solicitation SPE4A5-26-T-288G, with a response deadline of July 22, 2026, and delivery required within 171 days after order. The item is classified under NAICS code 335931 and will be procured by the Department of Defense through the ASC SUPPLIER OPER OEM DIVISION, with performance location in Tracy, California, 95304-5000. Technical and quality requirements referenced via R and I numbers are governed by the DLA Master List of Technical and Quality Requirements, with the applicable revision determined by the solicitation or award date depending on acquisition size. Compliance with DLA packaging, configuration change management, and export control regulations is mandatory, including adherence to DFARS 252.225-7048 for technical data subject to ITAR or EAR controls; such data may only be accessed by contractors approved by DLA, having completed required training and possessing JCP certification. Item Unique Identification is not required per customer request, though physical marking of the bare item is mandatory. The solicitation includes provisions for source approval requests, removal of government identification from non-accepted supplies, and handling of covered defense information. Point of contact is Kay Bates, reachable via email and phone provided.
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NAICS: 335931
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CABLE ASSEMBLY, RADIThe contract is for the procurement of two commercial off-the-shelf (COTS) cable assemblies, identified by NSN 5995017195130 and part number R94-228-036, supplied by Teledyne Defense Electronics, LLC. Delivery is required by May 4, 2027, with a delivery window of 293 days and FOB Origin terms, meaning the contractor bears all costs and risks until the item is shipped from their location. All items must be delivered to the DLA Distribution DDSP New Cumberland Facility in New Cumberland, Pennsylvania, where government inspection and acceptance occur. The contract mandates strict compliance with MIL-STD-2073-1E for packaging and preservation, and MIL-STD-129 for marking, including standardized barcoding and labeling with no special markings required. Palletization must adhere to DLA’s RP001 Packaging Requirements, and all packaging materials and methods are detailed with specific codes for preservation, container types, and cushioning. The cable assembly is subject to zero quantity variance, and payment must be submitted via WAWF in accordance with DFARS clauses governing electronic invoicing and payment. The contract incorporates multiple FAR and DFARS clauses covering compliance with equal opportunity, trafficking in persons, employment eligibility verification, hazardous material handling, cybersecurity, electronic payment, subcontracting, inspection, default, and safeguarding of defense information. Notably, it references DFARS 252.204-7012 for safeguarding covered defense information and cyber incident reporting, DFARS 252.223-7001 for hazard warning labels, and DFARS 252.223-7008 prohibiting hexavalent chromium. Contractors must provide their Unique Entity ID and CAGE code, represent their small business or socioeconomic status if applicable, and disclose any covered telecommunications equipment or services under DFARS 252.204-7016. The acquisition follows a Lowest Price Technically Acceptable (LPTA) evaluation approach, with technical compliance verified against the DLA Master List of Technical and Quality Requirements, while price is the primary award factor. The solicitation does not include a stated contract value, pricing data is incomplete, and the contract type remains unspecified, but it is clearly structured as a simplified acquisition using automated award processes through DIBBS.
ASC COMMODITIES DIVISION

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NAICS: 335931
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DIBBS
CONTACT, ELECTRICALThis contract solicitation, identified by number SPE7M5-26-T-326Y, is for the procurement of 12 electrical contacts under NSN 5999-00-179-4583, with approved part numbers 10893990 from UNITED STANDARD INDUSTRIES INC and A7387 from AUTODYNE MANUFACTURING CO INC. The requirement is issued under simplified acquisition procedures with a firm fixed-price structure and a delivery deadline of 20 days after date of award, with the original required delivery set for July 17, 2026. Delivery is to be made FOB origin to the Ordnance Readiness Development Center in Jiiji Township, Nantou County, Taiwan, with inspection and acceptance also occurring at origin. Packaging and marking must strictly follow MIL-STD-2073-1E and MIL-STD-129, including specific preservation methods, container types, and pack codes as defined in the technical data. All items must be physically marked in accordance with RQ017 for bare item identification and government identification removed from non-accepted supplies under RQ011. Use of any Class I ozone-depleting substances in design, manufacturing, testing, or cleaning is strictly prohibited unless written approval is obtained from the Contracting Officer. The contract incorporates all applicable technical and quality standards from the DLA Master List of Technical and Quality Requirements, referenced by R or I numbers, and requires compliance with IP025 for hazardous materials, including proper labeling per 29 CFR 1910.1200 and submission of Safety Data Sheets in accordance with Federal Standard No. 313. Offerors must adhere to the Buy American Act and Berry Amendment, with a reduced $150,000 threshold, and disclose any non-domestic materials used. The solicitation includes mandatory clauses on whistleblower rights, disclosure of information, cyber incident reporting, combating trafficking, employment verification, sustainable products, and System for Award Management maintenance, all subject to Deviation 2026-00038. Offerors must validate all SAM representations, including small business status and joint venture compliance, and disclose if they will provide covered defense telecommunications equipment. Payment must be processed through WAWF using invoices and receiving reports, and all contractual obligations are governed by FAR and DFARS provisions as cited, with quotes due by close of business on July
ACTIVE DEVICES DIVISION

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NAICS: 335931
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DIBBS
HANGER, CABLEThis contract is for the procurement of 12 cable hangers identified by NSN 5975-01-660-5868 and part number 808-7069263-WW-0057, with a unit price of $12.00 per item and a total value of $144.00. Delivery is required within 106 days under FOB origin terms, with no variance permitted in quantity. Inspection and acceptance occur at the destination. The product must comply with MIL-STD-2073-1E packaging standards and MIL-STD-129 marking requirements, with no special marking required. Packaging must adhere to DLA’s procurement guidelines and prohibit any use of mercury or mercury-containing compounds in preservation, packaging, or marking, except for functional applications in batteries, fluorescent lights, instruments, sensors, weapon systems, or specified chemical reagents, all of which must meet additional containment and shock-proofing standards per NAVSEA 5100-003D. The contract is issued under full and open competition as a critical application item and is subject to applicable technical and quality requirements referenced from the DLA Master List, with the revision effective on the solicitation issue date controlling. All specifications are tied to Technical Data Package Revision A General 1 and referenced drawing number 53711 7069263 dated November 3, 1997. The procurement is managed by the Department of Defense’s Maritime Supply Chain under solicitation SPE7M1-26-U-4125, with bids due by July 17, 2026.
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NAICS: 335931
Awarded
DIBBS
CONNECTOR, PLUG, ELECThe Defense Logistics Agency has awarded WESTSIM ENGINEERING, INC. a contract valued at $1,120.00 under solicitation SPE7M0-26-T-000K, with an award date of July 14, 2026. The contract is for the procurement of a single line item: CONNECTOR, PLUG, ELEC, identified by NSN 5935016649239 and PR 7017304060, classified under NAICS code 335931. The award is issued by the Department of Defense through the DLA, with no set-aside designation applied. Performance location and specific office address details are not provided, but the primary point of contact is Gerard Quinn, reachable via phone at 614-692-7750 or email at gerard.quinn@dla.mil. The contract was posted on the DIBBS platform, and full details can be accessed through the provided uiLink.
Defense Logistics Agency

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NAICS: 335931
Awarded
DIBBS
CABLE ASSEMBLY, RADIThe Defense Logistics Agency has awarded a contract to PIONEER INDUSTRIES, LLC with CAGE code 66200 for the procurement of a cable assembly identified by NSN 5995226308278 and PR 7017379860, with a total contract value of $422.48. The award was issued on July 14, 2026, under solicitation SPE4A6-26-T-04SQ, and falls under NAICS code 335931 for other electrical equipment and component manufacturing. The contract is classified as a federal award with no specific set-aside designation, and performance is expected within the United States. The primary point of contact for this contract is Chinh Le, reachable via email at chinh.le@dla.mil or by phone at 8042792715, and the award details are accessible through the DIBBS system via the provided UI link.
Defense Logistics Agency

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