NAICS 334210 Quarterly Industry Report
Telephone Apparatus Manufacturing
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 334210Sector: 33Updated: Q1 2026
About This Report
This Fair Market Value industry profile for NAICS 334210 draws on Census Bureau[5] establishment data, Bureau of Labor Statistics[6] sector surveys, and SBA[7] size standards for telephone apparatus manufacturing. Our research team tracks federal procurement records and trade data relevant to wireline communications equipment production. Quarterly updates ensure this NAICS 334210 profile reflects current Census indicators and regulatory changes.
Industry Snapshot
Key metrics for the telephone apparatus manufacturing industry.
Industry Definition & Overview
Telephone Apparatus Manufacturing (NAICS 334210) encompasses establishments primarily engaged in manufacturing wire telephone and data communications equipment, including voice over internet protocol phones, private branch exchange systems, digital subscriber line equipment, switching and routing hardware, videoconferencing endpoints, and unified communications devices. Products covered may function as stand-alone units or board-level components integrated into larger telecommunications systems. Cellular phones and smartphones fall outside this classification under NAICS 334220.
The U.S. Census Bureau[5] reports roughly 162 businesses with 176 operating locations employing an estimated 7,950 workers. The industry has evolved substantially from traditional analog telephone manufacturing toward IP-based unified communications platforms, session initiation protocol endpoints, and enterprise collaboration hardware. Remaining domestic producers focus on enterprise-grade PBX systems, government-specification secure telephone units, and ruggedized field communications equipment rather than consumer handsets.
Per the Bureau of Labor Statistics[6], key occupations include electrical engineers, firmware developers, circuit board assemblers, and telecommunications test technicians. Printed circuit boards, digital signal processors, power-over-ethernet modules, microphones, speakers, and LCD display panels represent primary material inputs. Competition from overseas manufacturers of consumer VoIP phones has pushed domestic production toward higher-value enterprise and government markets where security certification, custom firmware, and U.S.-based technical support provide differentiation advantages over imported commodity products.
What's Included in This Industry
- VoIP telephone and IP phone endpoint manufacturing for enterprise networks
- Private branch exchange system and IP-PBX hardware production
- Data communications equipment manufacturing including DSL and networking gear
- Videoconferencing endpoint and telepresence hardware manufacturing
- Telephone switching and routing equipment production
- Unified communications device manufacturing for enterprise collaboration
- Secure telephone unit production for government classified communications
- Analog and digital telephone set manufacturing for wireline networks
- Telephone answering machine and voicemail system manufacturing
- Board-level telecommunications component manufacturing for system integration
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Computer and Electronic Product Manufacturing | 334 |
| Industry Group | Communications Equipment Manufacturing | 3342 |
| NAICS Industry | Telephone Apparatus Manufacturing | 33421 |
| National Industry | Telephone Apparatus Manufacturing | 334210 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | Manufactures radio, television broadcast, and wireless communications equipment including cellular phones classified separately from wireline telephone apparatus |
| 334290 | Other Communications Equipment Manufacturing | Produces other communications equipment including fire alarm systems and intercom units classified outside both telephone and wireless equipment categories |
| 334418 | Printed Circuit Assembly (Electronic Assembly) Manufacturing | Produces printed circuit assemblies including telecommunications controller boards and interface cards integrated into telephone switching and endpoint equipment |
| 334413 | Semiconductor and Related Device Manufacturing | Manufactures semiconductors including digital signal processors and application-specific ICs used in VoIP processing and telephone system circuit designs |
| 334111 | Electronic Computer Manufacturing | Produces electronic computers that function as unified communications servers and software-defined PBX platforms replacing traditional telephone switching hardware |
| 334310 | Audio and Video Equipment Manufacturing | Manufactures audio and video equipment sharing microphone, speaker, and display technology with videoconferencing telephone and telepresence endpoint products |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 22.0% | 33 |
| 2 | Florida | 12.0% | 18 |
| 3 | New York | 8.0% | 12 |
| 4 | Washington | 7.3% | 11 |
| 5 | Texas | 7.3% | 11 |
| 6 | Illinois | 6.0% | 9 |
| 7 | New Jersey | 6.0% | 9 |
| 8 | Maryland | 5.3% | 8 |
| 9 | Georgia | 4.7% | 7 |
| 10 | Virginia | 4.0% | 6 |
% Of Establishments
0%
22%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
8
Total SBA Loans
$25.5M
Total Loan Volume
$3.2M
Average Loan Size
10 yrs
Average Loan Term
9.50%
Average Interest Rate
256
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The SBA[7] assigns NAICS 334210 a size standard of 1,250 employees. Most domestic telephone equipment manufacturers focus on enterprise and government markets and operate below this threshold. Qualifying businesses can access SBA 7(a) loans[8] for production equipment, firmware development infrastructure, and facility investments supporting secure communications product lines. Additionally, 504/CDC loans[9] provide long-term, fixed-rate financing for major fixed assets such as real estate and equipment.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Dominion Bank | 8 | $25.5M | $3.2M |
Frequently Asked Questions
Common questions about this industry.
What types of businesses manufacture telephone apparatus?
Manufacturers range from global telecommunications firms producing enterprise phone systems to domestic specialists building secure government communications equipment. Some companies produce VoIP endpoints and session border controllers. Others build IP-PBX platforms and unified communications servers. Niche producers manufacture ruggedized field telephones for military applications. Custom hardware developers create carrier-grade switching and routing equipment for wireline telecommunications providers serving residential and business subscribers.
How is the telephone apparatus manufacturing industry structured?
The U.S. Census Bureau[5] reports roughly 162 businesses with 176 locations employing about 7,950 workers. The sector has consolidated as legacy analog equipment demand declined and IP-based communications platforms gained dominance. Large firms produce enterprise phone system product lines distributed globally. Smaller domestic manufacturers serve government secure communications, military field telephone, and specialized industrial telephone markets requiring custom engineering and security certifications.
What is the SBA size standard for telephone equipment manufacturers?
The SBA[7] sets the size standard at 1,250 employees for NAICS 334210. Most domestic telephone equipment firms focused on enterprise and government markets operate below this limit. Small business qualification provides access to federal procurement set-asides and SBA-guaranteed financing programs for production equipment and product development investments.
What NAICS codes are related to telephone apparatus manufacturing?
Wireless communications equipment manufacturing (334220) covers cellular phones and radio equipment. Other communications equipment (334290) includes fire alarms and intercoms. Per the Census Bureau[10], semiconductor manufacturing (334413) produces processor chips, while printed circuit assembly (334418) covers the boards used in telephone switching and endpoint products.
What industries are major buyers of telephone equipment?
Wired telecommunications carriers (517111) purchase switching and customer premise equipment. Enterprise IT departments buy VoIP phones and PBX systems through wholesalers (423690) and systems integrators (541512). According to the BLS[6], federal government agencies purchase secure telephone systems and classified communications hardware, creating sustained demand for domestically manufactured products meeting NSA and DISA certification requirements.
What products and activities does NAICS 334210 include?
This classification covers manufacturing of VoIP telephones, IP-PBX systems, digital and analog telephone sets, videoconferencing endpoints, telephone switching equipment, data communications hardware, DSL equipment, answering machines, voicemail systems, secure telephone units, and board-level telecom components. Production activities include circuit board assembly, firmware development, transducer integration, power supply installation, enclosure fabrication, environmental testing, and security certification compliance validation.
Can telephone equipment manufacturers access SBA financing?
Manufacturers with fewer than 1,250 employees qualify for SBA loan programs[11] including 7(a) general purpose loans and 504 fixed-asset financing. Common applications include purchasing surface mount assembly lines, automated test equipment, electromagnetic compatibility testing chambers, and expanding clean room production areas. Working capital lines support printed circuit board and electronic component procurement cycles.
Where are telephone equipment manufacturers located in the United States?
Telephone apparatus manufacturing clusters near technology corridors in Texas, California, New Jersey, Massachusetts, and North Carolina according to Census geographic data[12]. Government secure communications producers locate near defense and intelligence agency hubs in Maryland, Virginia, and Colorado. Enterprise phone system manufacturers distribute across metropolitan areas with access to electrical engineering talent and electronics manufacturing supply chains.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]U.S. Census Bureau data.census.gov
- [6]Bureau of Labor Statistics bls.gov
- [7]SBA sba.gov
- [8]SBA 7(a) loans sba.gov
- [9]504/CDC loans sba.gov
- [10]Census Bureau census.gov
- [11]SBA loan programs sba.gov
- [12]Census geographic data census.gov
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