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NAICS Code· 334210

Telephone Apparatus Manufacturing

This industry comprises establishments primarily engaged in manufacturing wire telephone and data communications equipment. These products may be stand-alone or board-level components of a larger system. Examples of products made by these establishments are central office switching equipment, cordless and wire telephones (except cellular), PBX equipment, telephone answering machines, LAN modems, multi-user modems, and other data communications equipment, such as bridges, routers, and gateways. Cross-References. Establishments primarily engaged in--Show more

NAICS 334210 – Telephone Apparatus Manufacturing encompasses the design, development, and production of telecommunications equipment including landline telephones, digital handsets, PBX systems, VoIP terminals, and associated hardware for voice and data transmission. This sector supports critical infrastructure for secure, reliable communications across federal operations, particularly in environments requiring hardened, encrypted, or mission-critical voice networks.

58
Active Contracts
$2.8B
Total Obligations (12mo)
295
Awarded Contracts (12mo)
133
Contractors Awarded (12mo)
+393.5%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 334210.

AI Industry Description

NAICS 334210 – Telephone Apparatus Manufacturing encompasses the design, development, and production of telecommunications equipment including landline telephones, digital handsets, PBX systems, VoIP terminals, and associated hardware for voice and data transmission. This sector supports critical in...

NAICS 334210 – Telephone Apparatus Manufacturing encompasses the design, development, and production of telecommunications equipment including landline telephones, digital handsets, PBX systems, VoIP terminals, and associated hardware for voice and data transmission. This sector supports critical infrastructure for secure, reliable communications across federal operations, particularly in environments requiring hardened, encrypted, or mission-critical voice networks. Products under this code are often integrated into broader command, control, and communication (C3) systems, serving both civilian and defense applications where interoperability, durability, and compliance with federal standards such as FIPS and NIST guidelines are essential. The industry bridges industrial manufacturing with secure communications technology, positioning it as a foundational component in modern federal IT and operational readiness ecosystems. Top contractors in this space include HIGH PLAINS COMPUTING INC, QRC, LLC, REALITY TECHNOLOGY, INC., and OPEN TEXT INC., a mix of small businesses and mid-sized technology firms specializing in secure communications hardware, embedded systems, and customized telephony solutions. These firms often operate as niche suppliers with deep expertise in ruggedized telecom equipment, encryption modules, and legacy system modernization, competing for contracts that demand compliance with stringent federal specifications. The Department of Defense, Department of Energy, and Department of Commerce are the primary federal buyers, procuring telephone apparatus for secure field communications, laboratory operations, emergency response networks, and administrative infrastructure. Demand is driven by modernization initiatives, cybersecurity hardening programs, and the replacement of aging analog systems with digital, IP-enabled endpoints. The competitive landscape is characterized by specialized suppliers with technical certifications and compliance capabilities rather than large-scale primes. Opportunities exist for firms with expertise in secure voice protocols, FIPS 140-3 validated hardware, and integration with DoD’s Joint Information Environment standards, particularly in procurement streams targeting small business set-asides and defense industrial base resilience initiatives.

Top Contractors

Companies with the highest total award value under NAICS 334210, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
SYSTEMS ENGINEERING SUPPORT CO.$452.9M1
MANAGEMENT SERVICES GROUP, INC.$452.9M1
LEIDOS, INC.$452.9M1
VT MILCOM INC.$452.9M1
SERCO INC$452.9M1
ROHDE & SCHWARZ USA, INC.$389.9M2
MOTOROLA SOLUTIONS, INC.$22.8M4
GZO, INC.$22.2M12
DATA COMM FOR BUSINESS INC$20.1M1
L3HARRIS TECHNOLOGIES, INC.$12.8M3

Top Agencies

Federal agencies directing the most contract spending toward NAICS 334210.

Naval Information Warfare Systems5 awards$2.3B
Department Of Transportation17 awards$411.9M
Department Of Defense178 awards$81.1M
Social Security Administration5 awards$7.9M
Department Of Justice10 awards$5.5M
Department Of State40 awards$4.0M
Department Of Health And Human Services2 awards$2.4M
DLA Troop Support19 awards$2.0M
Department Of Defense (dod)6 awards$1.5M
Smithsonian Institution4 awards$390K

Related NAICS Codes

Industries similar to Telephone Apparatus Manufacturing, by shared sector, subsector, and industry group.

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

This industry comprises establishments primarily engaged in manufacturing radio and television broad...
334220Same Industry GroupHigh Similarity

Other Communications Equipment Manufacturing

This industry comprises establishments primarily engaged in manufacturing communications equipment (...
334290Same Industry GroupHigh Similarity

Electronic Computer Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing and/or assembling ele...
334111Same SubsectorMedium Similarity

Computer Storage Device Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing computer storage devi...
334112Same SubsectorMedium Similarity

Computer Terminal and Other Computer Peripheral Equipment Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing computer terminals an...
334118Same SubsectorMedium Similarity

Audio and Video Equipment Manufacturing

This industry comprises establishments primarily engaged in manufacturing electronic audio and video...
334310Same SubsectorMedium Similarity

Bare Printed Circuit Board Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing bare (i.e., rigid or ...
334412Same SubsectorMedium Similarity

Semiconductor and Related Device Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing semiconductors and re...
334413Same SubsectorMedium Similarity

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NAICS 334210 FAQ

Frequently Asked Questions

NAICS code 334210 covers Telephone Apparatus Manufacturing. This industry comprises establishments primarily engaged in manufacturing wire telephone and data communications equipment. These products may be stand-alone or board-level components of a larger system. Examples of products made by these establishments are central office switching equipment, cordless and wire telephones (except cellular), PBX equipment, telephone answering machines, LAN modems, multi-user modems, and other data communications equipment, such as bridges, routers, and gateways. Cross-References. Establishments primarily engaged in--

Recently Posted in Telephone Apparatus Manufacturing

NAICS: 334210
New
DIBBS
Precision Electronic Connector ManufacturingThe contract entails the manufacture and delivery of a precision adapter and connector identified by NSN 5935-01-608-1677, specifically built to meet stringent military specifications for integration into defense systems. This is a subcontract under the broader procurement efforts of the Defense Logistics Agency, operating within the Department of Defense, and falls under the NAICS code 334210, which classifies it within the electronic component manufacturing sector. The deliverable must adhere to exacting technical standards required for reliability and performance in critical military applications, ensuring compatibility and operational integrity within complex electronic infrastructures. The contract was posted on July 13, 2026, and is associated with award number SPE7M826P0950, indicating it is part of an existing or upcoming defense procurement cycle. While specific quantities, delivery timelines, or financial terms are not provided, the emphasis on precision manufacturing and military compliance implies rigorous quality control, testing, and certification protocols are required. The place of performance and point of contact information are not specified, but performance is expected to align with Department of Defense requirements and supply chain standards. The subcontract nature suggests the prime contractor has assigned this component production to a specialized supplier with verified expertise in defense-grade electronic connectors.
Defense Logistics Agency

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NAICS: 334210
New
DIBBS
TELEPHONE SETThe Telephone Set, identified by NSN 5805-01-701-6502, is a single-unit procurement under solicitation SPE8EN-26-T-2585, with a required delivery within 20 days after order issuance. Technical and quality requirements are governed by the DLA Master List of Technical and Quality Requirements, with the applicable revision determined by the solicitation issue date for simplified acquisitions or the RFP issue date for larger procurements, unless an amendment supersedes it. The contract mandates compliance with tailored higher-level quality requirements, configuration change management, and quality conformance inspections, with any deviations requiring formal engineering change proposal requests. Export control restrictions apply under ITAR or EAR regulations, prohibiting unauthorized disclosure of technical data to foreign persons or entities, including foreign nationals within the U.S., and mandate that only DLA contractors with approved US/Canada Joint Certification Program credentials, completed DOD export control training, and formal DLA authorization may access controlled data. Cybersecurity requirements include CMMC Level 2 certification for third-party assessors, and packaging must adhere to DLA-specific procurement standards. Documentation for source approval must be submitted due to proprietary or insufficient data, and government identification must be removed from non-accepted supplies. The point of contact for inquiries is Van Nguyen at van.nguyen@dla.mil, with responses due by July 24, 2026, and the solicitation was posted on July 13, 2026, under NAICS code 334210 for communications equipment manufacturing.
CONSTRUCTION & EQUIPMENT T & IFO EQ

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NAICS: 334210
New
Federal
Supply of NSA-Certified Single Mode Pluggable Optics (FX-1GSM)The contract pertains to the procurement and delivery of FX-1GSM Single Mode Pluggable Optics, which are NSA-certified Type 1 COMSEC components designed for use in secure military communications systems. These devices are classified as non-commercial off-the-shelf items and require handling under authorized distribution protocols due to their sensitive cryptographic functionality and national security significance. The equipment must meet stringent certification and security standards to ensure integrity and confidentiality within DoD communication networks. The solicitation is issued as a subcontract under the NAICS code 334210, targeting suppliers with the capability to provide certified secure optics. The performance location is designated as Pensacola, Florida, with a response deadline of August 10, 2026. The procuring entity is the Department of Defense, specifically the FA3010 81 Cons Cc office, indicating this effort supports a defense systems program requiring high-assurance cryptographic components. All awardees must comply with federal security requirements for handling Type 1 certified hardware and are expected to maintain chain-of-custody, supply chain integrity, and export control compliance throughout delivery.
FA3010 81 Cons Cc

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NAICS: 334210
New
Federal
Intent to Sole Source - Single Mode Pluggable Optics Part Number FX-1GSMThe U.S. Air Force’s 81st Communications Squadron, under the Department of Defense, intends to award a sole source contract to General Dynamics Mission Systems, Inc. for the procurement of FX-1GSM Single Mode Pluggable Optics under solicitation number FA301026Q0024. This action is justified under FAR 12.102(a) due to the exclusive compatibility of the specified optics with the KG-175D encryption devices, which are NSA-certified Type 1 COMSEC equipment, and because only General Dynamics Mission Systems, Inc. meets the technical, security, and authorization requirements outlined by DODI 8523.01 and NSA/CSS procurement policies. The requirement is for the delivery of these optics to support operations at Naval Air Station Pensacola, Florida, with strict compliance mandated for reselling restrictions and certification validity. Although this is not a competitive solicitation, the government will accept and consider any capability statements or quotes submitted by 10:00 AM CDT on August 10, 2026, to evaluate whether a competitive approach is warranted, though no award decision is dependent on submissions. All proposals must be emailed to markos.mendoza@us.af.mil and kristopher.kostenko@us.af.mil, with no specific format, page limits, or packaging requirements detailed in the notice. The contract value, delivery schedule, period of performance, and exact quantities have not been disclosed, and the place of performance is confirmed as Pensacola, FL, with the contracting office located at Keesler Air Force Base, Mississippi.
FA3010 81 Cons Cc

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NAICS: 334210
Awarded
DIBBS
JACK, TELEPHONEThe Defense Logistics Agency has awarded a contract to EMMANUEL TRADE LLC under solicitation SPE7M5-26-T-296U for the procurement of a JACK, TELEPHONE identified by NSN 5935010913311 and PR 7017379398. The total contract value is $1,296.00, with the award issued on July 9, 2026. The contract falls under NAICS code 334210, indicating classification within the telecommunications equipment manufacturing sector, and is designated as a federal procurement under the Department of Defense. The place of performance and office address details are not specified, but the contract is administered by the Defense Logistics Agency with the award notice published on the DIBBS portal. No set-aside type is indicated, and the awardee is a private entity serving a federal procurement need.
Defense Logistics Agency

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NAICS: 334210
New
DIBBS
COMPUTER, DIGITALThis contract specifies the procurement of a commercial off-the-shelf computer device identified by part number XT40-0TXKNMNW00 and NSN 7021017240741, with a total quantity of 59 units at a unit price of $59.00, resulting in a total contract value of $3,481.00. Delivery is required within 153 days from the contract award, with FOB origin terms and inspection and acceptance occurring at the destination. All items must comply with DLA’s Master List of Technical and Quality Requirements, which supersede other standards such as ASTM D3951, and must be packaged according to MIL-STD-129 and RP001 DLA Packaging Requirements. The device must not contain intentionally added mercury or mercury compounds, except under limited exceptions for batteries, fluorescent lights, instruments, sensors, weapon systems, or chemical reagents approved by NAVSEA, and any portable fluorescent lamps or instruments containing mercury must be shockproof with a secondary containment barrier per NAVSEA 5100-003D. The contract mandates removal of government identification from non-accepted supplies and requires source approval documentation where applicable. The item falls under NAICS code 334210 and is subject to federal procurement regulations. The delivery destination is the DLA Distribution facility in New Cumberland, Pennsylvania, with the original required delivery date set for December 7, 2026, and a needed ship date of December 21, 2026. All transportation and shipping instructions must adhere to DLAD procedural notes C19 and C20, and the unit of issue is EA as defined by DoD standards.
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NAICS: 334210
New
DIBBS
COTS IT Equipment Supply – Computers & Cell PhonesThe contract is for the supply of 59 commercial off-the-shelf digital computers and cellular telephones that strictly match designated National Stock Number and part number specifications, ensuring compatibility and compliance with Department of Defense standards. The requirement falls under NAICS code 334210 and is structured as a subcontract, with all equipment to be delivered to the specified performance location in New Cumberland, Pennsylvania, ZIP code 17070-5002. Bidders must submit responses by the deadline of July 20, 2026, following the solicitation initiated on July 9, 2026, with all details accessible through the official DIBBS platform. The procurement is managed by the Department of Defense under the Construction & Equipment T & IFO EQ office, and no set-aside provisions are applicable, meaning it is open to all qualified vendors regardless of business size or classification.
CONSTRUCTION & EQUIPMENT T & IFO EQ

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NAICS: 334210
New
DIBBS
Manufacturing of Sensitive Switch ComponentsThe contract calls for the manufacturing of 49 units of NSN 5930011242479, a sensitive electro-mechanical switch that must meet rigorous military specifications, including shock-proofing and strict mercury containment protocols to ensure safety and operational reliability in demanding environments. The work is classified as a subcontract under NAICS code 334210, which pertains to the manufacturing of electrical equipment and components, and the production must be performed at the designated place of performance in Jacksonville, Florida, with the ZIP code 32212-0103. All units must fully comply with applicable defense standards, emphasizing precision, durability, and environmental controls to prevent hazardous material leakage. The solicitation was posted on July 9, 2026, with a response deadline set for July 20, 2026, indicating a limited window for qualified subcontractors to submit proposals. The contract is managed by the Electrical Devices Division under the Department of Defense and is accessible via the DIBBS portal. While no specific set-aside designation is provided, the technical complexity and military compliance requirements imply that only vendors with proven experience in defense-grade electro-mechanical assemblies will be eligible to compete successfully. The absence of a designated point of contact suggests that all inquiries must be routed through the official solicitation link provided.
ELECTRICAL DEVICES DIV

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NAICS: 334210
New
DIBBS
HOLDER, TELEPHONEThis contract, issued under solicitation SPE8EN-26-T-2566, requires the delivery of one unit of a telephone device identified by NSN 5805-01-711-1227 and part number A156608-2 to be furnished to the USS AUGUSTA LCS 34 at the AUSTAL USA COSAL WAREHOUSE in Loxley, AL. The delivery must occur within 20 days from the award, with FOB origin terms and inspection and acceptance occurring at the destination. Packaging must comply strictly with ASTM D3951 and MIL-STD-129, and palletization must adhere to DLA Packaging Requirements for Procurement, with all packaging marked and labeled accordingly. The DLA Master List of Technical and Quality Requirements takes precedence over any other standard. Mercury and mercury-containing compounds are prohibited in or on the supplied item unless specifically exempted for functional uses such as in batteries, fluorescent lamps, sensors, weapon systems, or chemical reagents specified by NAVSEA, with portable mercury-containing devices requiring shockproof construction and a secondary containment boundary per NAVSEA 5100-003D. Shipment must be made via traceable transport methods, explicitly excluding parcel post, and must follow DLA Procurement Notes C19 and C20 for vessel and first destination transportation. The shipment identifier RDD 777 and transport control number R202635174CS65 must be used, with all documentation clearly referencing project ZJ7 TP 2 and supplier code YNCSE1 SIG: A. The item is subject to restrictions on government identification removal from non-accepted supplies and requires source approval documentation per the relevant DLA requirements. The contract specifies a zero variance in quantity with the single unit to be delivered no later than June 27, 2025. The contracting officer is Jennifer Esworthy of the Department of Defense, and all technical and quality specifications referenced by R or I numbers are governed by the current DLA Master List effective on the solicitation date.
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NAICS: 334210
New
DIBBS
TELEPHONEThis contract under solicitation SPE8EN-26-T-2571 specifies the procurement of three units of telephone equipment identified by NSN 5805017198373 and part number GDMS500, with a unit price of $3.00 per unit and a total price of $9.00. Delivery is required within 20 days FOB origin, with inspection and acceptance occurring at the destination. The item must be packaged in compliance with ASTM D3951, though all DLA Master List of Technical and Quality Requirements take precedence, including adherence to MIL-STD-129 for marking and labeling. Packaging must follow RP001 DLA Packaging Requirements for Procurement, and palletization must meet specified standards. Mercury and mercury-containing compounds are strictly prohibited unless exempted for functional uses such as batteries, fluorescent lights, sensors, weapon systems, or NAVSEA-specified reagents; portable devices containing mercury must include shockproof construction and a secondary containment barrier per NAVSEA 5100-003D. The equipment must be shipped via the fastest traceable means, explicitly excluding parcel post, to the designated delivery point at Austal USA COSAL Warehouse in Loxley, Alabama. Shipping instructions require use of the Vendor Shipping Manifest (VSM) and include a designated freight contact and project code. Compliance with technical and quality requirements referenced by R and I numbers from the DLA Master List is mandatory, and all documentation must reflect source approval protocols and government identification removal procedures for non-accepted supplies. The required delivery date is July 29, 2025, and the contract is subject to the DLA’s unit of issue standards as defined by ANSI X12. Communication and fulfillment are directed through the designated point of contact, Jennifer Esworthy, with all government use identifiers and procurement codes to be maintained for administrative tracking.
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NAICS: 334210
New
DIBBS
Export-Controlled Equipment/Services SupportSubcontractors engaged under this contract for telecommunications or dual-use items must strictly adhere to U.S. export control regulations, including the International Traffic in Arms Regulations and the Export Administration Regulations. They are required to establish and maintain robust export control procedures, ensure all personnel are trained in compliance, and fully disclose all entities involved in the performance of the work, including subcontractors, suppliers, and foreign partners. Failure to comply with these requirements may result in termination, penalties, or debarment. The contract is linked to NAICS code 334210, indicating a focus on telecommunications equipment manufacturing, and the work is to be performed at the DDSP New Cumberland Facility, with a strict response deadline of July 20, 2026. All parties must be prepared to demonstrate ongoing compliance and full transparency in handling controlled technologies and information.
DDSP NEW CUMBERLAND FACILITY

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NAICS: 334210
New
DIBBS
Supply of Telephone Hardware (NSN 5805017198373, Part No. GDMS500)The contract seeks the procurement and delivery of three standard telephone units meeting military specifications, identified by NSN 5805017198373 and part number GDMS500. The supplier is responsible for full compliance with all military standards, including proper packaging, labeling, and the provision of complete hazardous material documentation to ensure safe handling and transport. The units must be delivered to the specified place of performance in Loxley, Alabama, with zip code 36551. This is a subcontract under the NAICS code 334210, and the contracting authority is the Department of Defense through the Construction & Equipment T & IFO EQ office. The solicitation was posted on July 9, 2026, with a response deadline of July 20, 2026, and all submissions must be made through the provided DIBBS portal link.
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