Telecommunications infrastructure companies are vital for connecting individuals and businesses through advanced communication networks. They design, build, and maintain everything from fiber-optic cables to mobile towers, ensuring seamless data transmission. As demand for high-speed internet and wireless services skyrockets, these firms are evolving their offerings to incorporate next-gen technologies like 5G. Sustainability and resilience in infrastructure development are increasingly prioritized, pushing companies toward innovative and environmentally friendly solutions. The push for digital transformation across sectors means these companies will play a pivotal role in shaping tomorrow's communication landscapes, securing their importance within the tech ecosystem.

In this list, we present 15 telecommunications infrastructure companies that showcase a blend of established giants and innovative newcomers. With headquarters stretching from Japan to the United States and various countries in between, these firms range in size from small startups to industry leaders employing thousands. Founded between 1971 and 2015, each company specializes in unique aspects of telecommunications, from fiber networking to satellite internet, reflecting the sector's expansive growth and diversification. Their approaches to connectivity align with today's demand for speed and reliability, marking them as integral players in the future of telecommunications.

Read on to discover the top telecommunications infrastructure companies.

Top 15 Telecommunications Infrastructure Companies

1. NTT Communications

• Website: ntt.com
• Ownership type: Private
• Headquarters: Chiyoda City, Tokyo, Japan
• Employee distribution: Japan 83%, India 5%, China 3%, Other 10%
• Founded year: 1999
• Headcount: 10001+
• LinkedIn: ntt-communications

NTT Communications Corporation, founded in 1999 and based in Chiyoda City, Tokyo, Japan, is a prominent telecommunications and IT service provider. The company specializes in a broad spectrum of solutions, including cloud services, network infrastructure, security, and consulting. NTT Communications serves businesses on a global scale, assisting them in improving operational efficiency and integrating advanced technologies to foster growth. With a workforce primarily located in Japan, the company also has a presence in India and China, reflecting its international operational strategy. NTT Communications is committed to addressing contemporary challenges in the telecommunications sector, such as digital transformation and cybersecurity, making it a significant player in the industry.

2. ExteNet Systems, LLC

• Website: extenetsystems.com
• Ownership type: Venture Capital
• Headquarters: Lisle, Illinois, United States (USA)
• Latest funding: May 2021
• Founded year: 2002
• Headcount: 201-500
• LinkedIn: extenet-systems-inc.

ExteNet Systems, LLC, based in Lisle, Illinois, is a digital infrastructure provider that specializes in telecommunications solutions. Founded in 2002, the company has carved out a niche in delivering advanced services such as 5G networks, fiber connectivity, and managed infrastructure services. ExteNet caters to a variety of clients, including network operators, venue owners, and enterprises, ensuring high-speed and secure data transfer. Their solutions are designed to enhance connectivity and support critical applications, which is essential in today's data-driven environment. The company operates nationwide, focusing on innovative approaches to meet the evolving demands of the telecommunications sector. ExteNet's expertise in building and operating digital infrastructure positions them as a key player in the industry, particularly as the demand for reliable connectivity continues to grow.

3. EDOTCO Group

• Website: edotcogroup.com
• Ownership type: Venture Capital
• Headquarters: Shah Alam, Kuala Lumpur, Malaysia
• Employee distribution: Malaysia 37%, Bangladesh 26%, Pakistan 13%, Other 24%
• Latest funding: March 2025
• Founded year: 2012
• Headcount: 1001-5000
• LinkedIn: edotco

EDOTCO Group, founded in 2012 and headquartered in Shah Alam, Kuala Lumpur, Malaysia, is a telecommunications infrastructure provider that specializes in connectivity solutions across Asia. The company operates a portfolio of over 58,000 towers, providing essential services such as energy management, co-location, and digital innovative solutions to telecommunications providers. With a workforce of approximately 1,544 employees, EDOTCO has established a strong presence in multiple countries, including Malaysia, Bangladesh, Pakistan, Myanmar, and the Philippines. The company is recognized as the sixth largest tower company globally, based on the number of tower sites owned and managed. EDOTCO is committed to sustainability, aiming to deliver positive impacts for individuals and communities while addressing the growing demand for reliable connectivity. Their innovative approach includes leveraging advanced technologies to enhance operational efficiency and reduce environmental impact, making them a significant player in the telecommunications infrastructure sector.

4. Hughes

• Website: hughes.com
• Ownership type: Corporate
• Headquarters: Germantown, Maryland, United States (USA)
• Employee distribution: United States (USA) 75%, India 9%, Brazil 6%, Other 11%
• Latest funding: $1.4B, February 2011
• Founded year: 1971
• Headcount: 1001-5000
• LinkedIn: hughesconnects

Hughes Network Systems, LLC, founded in 1971 and based in Germantown, Maryland, is a telecommunications company that specializes in satellite internet and managed network services. With a workforce of over 3,000 employees, Hughes serves a wide array of customers, including businesses and government agencies. The company is known for its reliable connectivity solutions, which are essential for various sectors such as defense, education, and healthcare. Hughes offers a range of services, including managed broadband, cybersecurity, and mobile connectivity, addressing the needs of both commercial and residential clients. Their innovative technologies, such as the JUPITER System for satellite communications, position them as a significant player in the telecommunications infrastructure industry. Hughes has also been recognized for its contributions to bridging the digital divide, providing internet access to underserved communities. Their commitment to enhancing connectivity through advanced solutions makes them a noteworthy entity in the telecommunications sector.

5. Tdf

• Website: tdf.fr
• Ownership type: Private Equity
• Headquarters: Montrouge, Île-De-France, France
• Employee distribution: France 97%, Other 3%
• Latest funding: April 2015
• Founded year: 1975
• Headcount: 1001-5000
• LinkedIn: tdf

Tdf, founded in 1975 and based in Montrouge, Île-De-France, France, is a private equity-owned telecommunications company with approximately 1,714 employees. The company specializes in providing a wide range of digital infrastructure services, which include telecom infrastructures, fiber optics, and broadcasting solutions. Tdf serves a variety of clients, such as telecom operators, businesses, and public entities, ensuring reliable connectivity and communication across multiple sectors. Their expertise extends to areas like mobile coverage, data centers, and private 5G networks, reflecting their adaptability to evolving market demands. Tdf's operations are primarily concentrated in France, with 97% of their workforce based locally. The company has not reported any recent funding, indicating stability in its operations since its last funding round in 2015.

6. Verizon Enterprise Solutions

• Website: verizon.com
• Ownership type: Family Owned
• Headquarters: Bernards, New Jersey, United States (USA)
• Founded year: 1988
• Headcount: 10001+
• LinkedIn: verizonenterprisesolutions

Verizon Enterprise Solutions, based in Bernards, New Jersey, is a prominent telecommunications provider that specializes in delivering a wide array of services designed for businesses and organizations. Founded in 1988, the company has grown to employ over 20,000 individuals, reflecting its substantial role in the industry. Verizon's offerings include internet, phone, and wireless solutions, which are tailored to meet the specific needs of various sectors. Their focus on enhancing connectivity and operational efficiency is evident in their advanced technology solutions, which support businesses in navigating the complexities of modern communication needs. Verizon Enterprise Solutions also engages in initiatives that showcase their capabilities, such as partnerships with organizations to implement private wireless networks and advanced communication services. This involvement underscores their relevance and commitment to the telecommunications infrastructure market.

7. Colt Technology Services

• Website: colt.net
• Ownership type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: India 43%, United Kingdom (UK) 17%, Spain 11%, Other 29%
• Latest funding: May 2016
• Founded year: 1992
• Headcount: 5001-10000
• LinkedIn: colt-technology-services

Colt Technology Services Group Limited, founded in 1992 and headquartered in London, UK, is a telecommunications provider that specializes in connectivity solutions for enterprises. With a workforce of over 5,200 employees, Colt offers a comprehensive suite of services, including network services, voice services, and cloud connectivity. The company serves a variety of industries, helping organizations enhance their digital infrastructure and connectivity capabilities. Colt's network spans across Europe, Asia, and the US, connecting more than 32,000 enterprise buildings and over 1,100 data centers. Their focus on customer service is reflected in their high Net Promoter Scores and numerous industry awards. Colt is also committed to sustainability, having made significant strides in reducing their carbon emissions and participating in global initiatives to promote environmental responsibility.

8. Vocus

• Website: vocus.com.au
• Ownership type: Corporate
• Headquarters: Melbourne, Victoria, Australia
• Employee distribution: Australia 96%, New Zealand 3%, Other 1%
• Latest funding: June 2021
• Founded year: 2008
• Headcount: 1001-5000
• LinkedIn: vocus-communications

Vocus Group Limited, founded in 2008 and based in Melbourne, Victoria, Australia, is a telecommunications provider that specializes in internet, data network solutions, and cloud services. With a workforce of over 1,500 employees, Vocus serves mid to large businesses and government entities, ensuring they have reliable connectivity and security. The company operates an extensive fibre network of nearly 25,000 kilometers across Australia and New Zealand, which supports its diverse range of services. Vocus is also involved in the satellite communications sector, having partnered with companies like Starlink and OneWeb to deliver innovative satellite solutions. Their focus on sectors such as defence, emergency services, and financial services highlights their commitment to providing critical infrastructure. Vocus has not reported any recent funding, indicating stability in its operations and growth strategy.

9. Cetin

• Website: cetin.cz
• Ownership type: Private
• Headquarters: Prague, Prague, Czech Republic
• Employee distribution: Czech Republic 92%, Serbia 4%, Bulgaria 2%, Other 2%
• Founded year: 2015
• Headcount: 1001-5000
• LinkedIn: %c4%8desk%c3%a1-telekomunika%c4%8dn%c3%ad-infrastruktura

Cetin a.s., founded in 2015 and based in Prague, Czech Republic, is a private telecommunications company that specializes in providing connectivity solutions. With a workforce of approximately 1,400 employees, Cetin offers a comprehensive range of services, including voice, internet, and data services. Their clientele spans operators, municipalities, developers, and households, showcasing their commitment to facilitating reliable communication and data transfer across the Czech Republic. Cetin is particularly focused on expanding its network capabilities, including high-speed internet and 5G mobile infrastructure, which are critical in today's digital age. The company operates an extensive optical and mobile network, ensuring significant coverage and access to advanced telecommunications services for millions of households and businesses.

10. Mobilitie

• Website: mobilitie.com
• Ownership type: Corporate
• Headquarters: Newport Beach, California, United States (USA)
• Latest funding: June 2021
• Founded year: 2005
• Headcount: 501-1000
• LinkedIn: mobilitie

Mobilitie, operating under the name Boldyn Networks, is a telecommunications company based in Newport Beach, California. Founded in 2005, the company has established itself as a provider of advanced network connectivity solutions. Their services include network solutions, private networks, IoT applications, and fibre services, catering to a variety of sectors such as government, healthcare, and transportation. Mobilitie's recent acquisition of Cellnex Private Networks in March 2024 further strengthens their position in the private networks market, allowing them to expand their portfolio of wireless solutions. The company is committed to enhancing connectivity and enabling smart technologies, making it a significant player in the telecommunications infrastructure space.

11. Radisys

• Website: radisys.com
• Ownership type: Corporate
• Headquarters: Hillsboro, Oregon, United States (USA)
• Employee distribution: India 93%, United States (USA) 4%, Other 4%
• Latest funding: June 2018
• Founded year: 1987
• Headcount: 1001-5000
• LinkedIn: radisys-corporation

Radisys Corporation, based in Hillsboro, Oregon, is a telecommunications technology company that specializes in providing innovative solutions for mobile networks. Founded in 1987, Radisys has developed a comprehensive portfolio that includes network hardware, software solutions, and digital engagement platforms. The company primarily serves communication service providers and system integrators, focusing on enhancing network performance and enabling digital experiences. Radisys is particularly noted for its contributions to open and disaggregated access solutions, which are increasingly important in the evolving telecommunications landscape. Their products support various technologies, including 5G and broadband access, and they have established partnerships with notable industry players to further their reach and capabilities. With a workforce of approximately 1,929 employees, Radisys operates globally, with a significant presence in India and the United States. The company has not reported any recent funding, indicating a stable operational model that relies on its established market position and expertise.

12. Alcatel-Lucent Enterprise

• Website: al-enterprise.com
• Ownership type: Corporate
• Headquarters: Colombes, Île-De-France, France
• Employee distribution: France 33%, India 16%, United States (USA) 10%, Other 41%
• Latest funding: $16.6B, April 2015
• Founded year: 2014
• Headcount: 1001-5000
• LinkedIn: alcatellucententerprise

Alcatel-Lucent Enterprise, founded in 2014 and based in Colombes, Île-De-France, France, is a telecommunications and software solutions provider. The company specializes in communication systems, network management, and integration services. They serve multiple sectors, including education, healthcare, and government, aiming to improve connectivity and operational efficiency through advanced technology solutions. With a workforce of approximately 3,932 employees, Alcatel-Lucent Enterprise has a significant presence in various countries, including France, India, the United States, and China. Their product offerings include unified communications, cloud communications, and network management solutions, which are essential for modern telecommunications infrastructure. The company has also received substantial funding, indicating investor confidence in its business model and growth potential.

13. SOLiD

• Website: solid.com
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: United States (USA) 49%, South Korea 41%, United Kingdom (UK) 4%, Other 6%
• Latest funding: Other (Grant), $27.7M, December 2024
• Founded year: 1998
• Headcount: 501-1000
• LinkedIn: solid-technologies

SOLiD Technologies, founded in 1998 and based in Plano, Texas, is a telecommunications company that specializes in providing in-building mobile coverage and optical transport solutions. The company offers a range of products and services designed to enhance wireless connectivity, including the ALLIANCE 5G DAS, which is a modular platform that allows for flexible deployment of in-building wireless systems. SOLiD also provides public safety solutions, ensuring reliable communication in critical environments. Their products serve various sectors such as healthcare, education, commercial properties, and more, demonstrating their capability to meet the needs of different industries. With a workforce of around 210 employees and a significant presence in both the United States and South Korea, SOLiD continues to be an active participant in the telecommunications infrastructure market. In December 2024, they secured $27.68 million in funding, indicating ongoing investment in their technology and services.

14. FiberLight, LLC

• Website: fiberlight.com
• Ownership type: Private
• Headquarters: Alpharetta, Georgia, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: Other (Debt), $500.0M, May 2025
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: fiberlight-llc

FiberLight, LLC, based in Alpharetta, Georgia, is a private telecommunications company founded in 2005. The firm specializes in fiber network solutions, offering a range of services that include dark fiber, lit fiber, dedicated internet access, and data center connectivity. FiberLight serves various sectors, including enterprises, healthcare, finance, and government, providing essential connectivity for modern data-driven operations. The company has built an extensive network, boasting over 19,000 route miles of fiber and connections to more than 180 data centers. Recently, FiberLight secured $500 million in funding, which underscores its commitment to expanding its infrastructure and service offerings. This investment positions FiberLight to meet the increasing demand for high-capacity, reliable telecommunications services.

15. Sogetrel

• Website: sogetrel.fr
• Ownership type: Private Equity
• Headquarters: Issy-Les-Moulineaux, Île-De-France, France
• Employee distribution: France 91%, Morocco 6%, Other 3%
• Latest funding: February 2021
• Founded year: 1985
• Headcount: 1001-5000
• LinkedIn: sogetrel

Sogetrel, based in Issy-Les-Moulineaux, Île-De-France, is a private equity-owned company that specializes in telecommunications, IT, and security solutions. With a workforce of approximately 2,587 employees, Sogetrel has been operational since 1985. The company focuses on the deployment of communication networks, including both fixed and mobile systems, and offers a range of IT support services. Their clientele spans public authorities and private enterprises across various sectors, including transport, defense, and energy. Sogetrel also integrates electronic security systems and provides maintenance and service desk support, ensuring that their clients have access to reliable and secure digital infrastructure. Their operations extend beyond France, with a presence in Morocco and other regions, further enhancing their capability to serve a wide array of clients.

Telecommunications Infrastructure Insights: Key Companies

Company	Headquarter	Size	Founded	Ownership
NTT Communications	Chiyoda City, Tokyo, Japan	10001+	1999	Private
ExteNet Systems, LLC	Lisle, Illinois, United States (USA)	201-500	2002	Venture Capital
EDOTCO Group	Shah Alam, Kuala Lumpur, Malaysia	1001-5000	2012	Venture Capital
Hughes	Germantown, Maryland, United States (USA)	1001-5000	1971	Corporate
Tdf	Montrouge, Île-De-France, France	1001-5000	1975	Private Equity
Verizon Enterprise Solutions	Bernards, New Jersey, United States (USA)	10001+	1988	Family Owned
Colt Technology Services	London, England, United Kingdom (UK)	5001-10000	1992	Corporate
Vocus	Melbourne, Victoria, Australia	1001-5000	2008	Corporate
Cetin	Prague, Prague, Czech Republic	1001-5000	2015	Private
Mobilitie	Newport Beach, California, United States (USA)	501-1000	2005	Corporate
Radisys	Hillsboro, Oregon, United States (USA)	1001-5000	1987	Corporate
Alcatel-Lucent Enterprise	Colombes, Île-De-France, France	1001-5000	2014	Corporate
SOLiD	Plano, Texas, United States (USA)	501-1000	1998	Private
FiberLight, LLC	Alpharetta, Georgia, United States (USA)	51-200	2005	Private
Sogetrel	Issy-Les-Moulineaux, Île-De-France, France	1001-5000	1985	Private Equity

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