Telecommunications, a vibrant industry in Ohio, consists of a variety of firms offering a broad spectrum of services, such as high-speed internet connectivity, voice, data, and video solutions. These companies, including Altafiber and Cincinnati Bell, cater to residential homes, local businesses, municipalities, and cooperatives. High demand for reliable connectivity drives the continuous advancements in this sector. Looking forward, the trend for faster and more secure communication systems, with the increasing use of technologies like fiber optics and 5G, indicates a promising future for this industry.


Top 25 telecommunications companies in Ohio

1. altafiber

  • Website: altafiber.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 1873
  • Headcount: 1001-5000
  • LinkedIn

altafiber.com is a telecommunications company offering internet, TV, and home phone services. They provide high-speed fiber internet connectivity with speeds up to 2 Gbps. Customers can choose from various plans and bundles to suit their needs. With a focus on customer satisfaction, altafiber aims to deliver reliable and seamless connectivity to homes and businesses.


2. Cincinnati Bell

Cincinnati Bell is a telecommunications company that offers a range of services including internet, voice, data, and video solutions. They provide reliable and high-speed connectivity to residential and business customers.


3. Thayer Power & Communication Line Construction Co., LLC

  • Website: thayerpc.com
  • Headquarters: Pataskala, Ohio, United States
  • Founded: 1964
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Thayer Power & Communication (TPC) is a telecommunications company that specializes in aerial and underground construction for fiber optics. With over 55 years of experience, TPC offers full turnkey projects, maintenance, and fiber to the home projects. They work with a variety of clientele, including municipalities, cooperatives, and carriers, and are well-versed in both rural and urban settings. TPC also provides project management services and qualified professionals to assist in customer relations.


4. Winncom Technologies

  • Website: winncom.com
  • Headquarters: Solon, Ohio, United States
  • Founded: 1996
  • Headcount: 51-200
  • LinkedIn

Winncom is a company that offers a wide range of networking and communication solutions. They provide licensed and unlicensed wireless equipment, network management systems, video surveillance products, and professional services. With partnerships with leading manufacturers, Winncom delivers reliable and innovative solutions to meet the needs of various industries.


5. Watch Communications

Watch Communications is an internet service provider that focuses on delivering high-speed internet to rural areas. They invest in upgrading infrastructure and provide reliable and affordable internet service to residential and commercial customers. Their services include internet, television, voice, data connectivity, and webhosting. They prioritize customer satisfaction and offer proactive maintenance to minimize downtime. They serve a diverse customer base including rural communities, farms, and businesses in Ohio, Indiana, Illinois, Kentucky, and Owensboro & Hopkinsville KY.


6. Mobilcomm

  • Website: mobilcomm.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 1941
  • Headcount: 51-200
  • LinkedIn

Mobilcomm is a communications provider offering a wide range of services and solutions to keep employees connected and accountable. They provide equipment leasing, engineering services, system management, wireless ISP, and vehicle upfitting. With a focus on customer satisfaction, Mobilcomm aims to find cutting-edge solutions tailored to the needs of their customers.


7. SureSite Consulting Group, LLC

Sure-Site offers complete solutions for wireless infrastructure projects. They have a network of regional and field offices that provide expertise and coverage. They specialize in small cell technology, offering seamless solutions for their customers.


8. Telesystem Partner Program

Telesystem is a provider of communication, networking, and cybersecurity solutions designed to meet the specific requirements of businesses. Their offerings include voice and unified communications, network services, security solutions, data centers, and more. They empower businesses with innovative technologies to enhance performance, security, and cost-efficiency.


9. NKTelco, Inc.

  • Website: nktelco.com
  • Headquarters: New Knoxville,, Ohio, United States
  • Founded: 1902
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

NKTelco is a locally managed and operated broadband communications company offering fiber internet services with lightning-fast download speeds up to a GIG. They provide comprehensive business and residential services including phone, internet, and cable TV. With a focus on customer satisfaction, NKTelco is committed to enhancing connectivity and accessibility in New Knoxville and Sidney, Ohio.


10. Linear 1 Technologies, LLC

  • Website: linearit.net
  • Headquarters: Marysville, Ohio, United States
  • Founded: 2016
  • Headcount: 11-50
  • LinkedIn

Linear 1 Technologies is a provider of VoIP phone systems, fast internet, and managed IT support services in the Columbus and Dublin, Ohio areas. They offer clear voice capabilities, reliable internet connections, and streamlined business communications.


11. Executone Communications Systems

Executone Communication Systems is a company that provides communication solutions and services to businesses and organizations. They offer a wide range of products and services such as telephony systems, unified communications, network solutions, and cabling services.


12. DTE Inc

  • Website: dteinc.com
  • Headquarters: Mansfield, Ohio, United States
  • Founded: 1989
  • Headcount: 11-50
  • LinkedIn

DTE Inc. is a communications company that offers a wide range of telecommunication services and packages to businesses of all sizes. They provide phone lines, VoIP setups, equipment repairs, and emergency downtime repairs.


13. Commlink Communications

Commlink Communications is a full service telecommunications-data company that offers sales, service, technical assistance and administrative support. They provide services such as managed IT services, help desk services, network cabling, access control, security systems, telephone systems, computer services and video surveillance for nearly 25 years.


14. Premier Network Solutions

  • Website: prenet.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 1994
  • Headcount: 11-50
  • LinkedIn

Premier Network Solutions, Inc. provides comprehensive computer network, business telephone, audiovisual solutions, and security control solutions. They offer first-rate support available 24/7. With over 20 years of experience in keeping customers well-connected, they specialize in solutions such as live streaming and on-demand webcasts, video conferencing, audio processing, and user-friendly communication systems.


15. Professional Telecommunications Services

  • Website: ptscinti.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 1983
  • Headcount: 11-50
  • LinkedIn

Professional Telecommunications Services (PTS) provides IT and telephony solutions for businesses. Their mission is to educate businesses on lowering costs, simplifying technology, and giving flexibility to work from any device.


16. Cell Site Capital LLC

Cell Site Capital LLC is a wireless infrastructure consulting firm that works with a variety of clients across the United States to enhance wireless connectivity, sustain and transform their businesses, and embrace their digital future.


17. Sigma Technologies, Ltd.

  • Website: teamsigma.com
  • Headquarters: Perrysburg, Ohio, United States
  • Founded: 1998
  • Headcount: 201-500
  • LinkedIn

Sigma Technologies is a company that provides expert knowledge and practical solutions for network technology and infrastructure projects. They specialize in power delivery, communications, education, and municipal services.


18. Telos Alliance

Telos Alliance provides renowned service and support for broadcast audio solutions. They offer round-the-clock TelosCare Support and TelosCare PLUS Customer Care. They specialize in virtualization, providing virtual mixing, processing, routing, control, telephony, and comms options that enhance flexibility and scalability. With a focus on reliability and cost efficiency, Telos Alliance helps broadcasters succeed in the digital era.


19. Cir Inc

  • Website: cir-inc.com
  • Headquarters: Geneva, Ohio, United States
  • Founded: 1985
  • Headcount: 11-50
  • LinkedIn

CIR, Inc. is a long-time provider of industry analysis and market forecasting services in the optical networking value chain. They specialize in providing comprehensive reports and analysis on all aspects of optical networks and devices, focusing on networks operating up to the Terabit level. Their expertise spans from the core of the network to the enterprise and data center.


20. Jenne, Inc

  • Website: jenne.com
  • Headquarters: Avon, Ohio, United States
  • Founded: 1986
  • Headcount: 51-200
  • LinkedIn

Jenne Inc. is a value-added distributor and cloud services brokerage that offers a broad selection of products from over 180 leading technology companies. They specialize in networking infrastructure, storage, physical security, unified communications, and more. Jenne provides solutions for various industries and offers tools and support to resellers, including design and configuration tools. They have been recognized for their excellence in technology and cloud services.


21. Powernet Co.

Powernet is a global provider of IT Managed Services Solutions, offering unified communications, cyber security, contact center, internet & data, and cloud storage solutions. They serve various industries such as education, government, healthcare, public venues, hospitality, multi-dwelling units, small/medium businesses, and non-profit organizations.


22. Ambt

  • Website: ambt.net
  • Headquarters: Toledo, Ohio, United States
  • Founded: 2004
  • Headcount: 51-200
  • LinkedIn

AMBT (American Broadband & Telecommunications) is a telecommunications company offering home and business solutions. They provide services such as lifeline wireless, tariffs, and technical support. With a focus on customer needs, AMBT aims to provide tailored services that fit their customers' requirements.


23. US Communications and Electric, Inc.

  • Website: uscande.com
  • Headquarters: Cleveland, Ohio, United States
  • Founded: 1996
  • Headcount: 51-200
  • LinkedIn

US Communications and Electric is a telecommunications solutions company based in Cleveland, Ohio. With over 250,000,000 feet of network cable professionally installed, they offer services including distributed antenna systems, WiFi IoT, audio-visual solutions, network cabling, and security solutions. Their expertise, experience, and commitment to customer satisfaction make them a trusted partner in the industry.


24. Warwick Inc.

  • Website: warwickinc.com
  • Headquarters: Broadview Heights, Ohio, United States
  • Founded: 1946
  • Headcount: 11-50
  • LinkedIn

Warwick Inc. offers trusted IT services in Cleveland for businesses, providing voice services, threat intelligence, managed services, backup and disaster recovery, and Microsoft 365 services.


25. Compass Solutions

We are technology and provider agnostic advisors that help our clients understand the technology landscape, find their right path, professionally implement the best solution, and manage their technology stack.


Want to find more telecommunications companies?


If you want to find more companies that offer reliable high-speed internet, phone services, and data solutions you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!