Telecommunications companies in United States

24,152 Telecommunications companies in United States — with websites, cities, size and what they do. Free to browse, filter and export; no subscription.

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1. At & T Dallas · United States · ≥100K employees
   AT&T Inc. is a multinational conglomerate holding company headquartered in Dallas, Texas. It is the second-largest telecommunications company in the United States and the largest…
2. Comcast New York · United States · ≥100K employees
   Comcast Corporation is a global media and technology company that operates through two primary segments: Comcast Cable and NBCUniversal. Comcast Cable provides high-speed…
3. Avaya Durham, North Carolina · United States · 5K–10K employees
   Avaya is a US-based provider of business communications solutions, offering cloud and on‑premises unified communications, contact center software, and collaboration tools for…
4. T-Mobile Bellevue · United States · 10K–50K employees
   T-Mobile US, Inc. is a major wireless network operator in the United States, providing a wide range of telecommunications services including mobile voice, messaging, and data…
5. Verizon Communications Tampa · United States · 10K–50K employees
   Verizon Communications Inc. is a leading telecommunications company that provides a wide range of communication, information, and entertainment products and services to…
6. Verizon Wireless (Worldwide Wireless) New York · United States · 10K–50K employees
   Verizon Wireless is a leading telecommunications company that provides wireless services and products to consumers and businesses. It is a subsidiary of Verizon Communications…
7. Motorola Solutions Chicago · United States · 10K–50K employees
   Motorola Solutions is a global leader in communications equipment and software, providing mission-critical communication solutions for public safety and commercial customers. The…
8. Level 3 Communications Broomfield · United States · 10K–50K employees
   Level 3 Communications, now part of Lumen Technologies, is a leading global telecommunications company that provides a wide range of communication services to businesses and…
9. Communications Supply Corporation (Wesco) Carol Stream · United States · 5K–10K employees
   Communications Supply Corporation (CSC), a subsidiary of Wesco International, Inc., is a leading provider of communication and data networking products and services. Founded in…
10. Private Consultancy New York · United States · 5K–10K employees
    Private Consultancy is a leading firm in the telecommunications industry, specializing in providing strategic consulting services to businesses looking to enhance their…
11. Victra - Total Wireless Master Agent Baytown · United States · 5K–10K employees
    Victra is a leading retailer and master agent for Total Wireless, specializing in providing wireless communication solutions and services. The company operates a network of…
12. Comcast Business Philadelphia · United States · 5K–10K employees
    Comcast Business is a division of Comcast Corporation that provides a range of telecommunications services to businesses of all sizes. The company offers high-speed internet…
13. Ciena Hanover · United States · 5K–10K employees
    Ciena Corporation is a leading networking systems, services, and software company that specializes in providing solutions for the telecommunications industry. Founded in 1992…
14. Frontier Communications Dallas · United States · 5K–10K employees
    Frontier Communications Corporation is a telecommunications company that provides internet, television, and phone services to residential and business customers in the United…
15. Plantronics Santa Cruz · United States · 5K–10K employees
    Plantronics, now known as Poly, is a global communications company that specializes in audio communications equipment, including headsets, speakerphones, and video conferencing…
16. Verizon Business Markets Basking Ridge · United States · 5K–10K employees
    Verizon Business Markets is a division of Verizon Communications Inc., focused on providing telecommunications and technology solutions to businesses of all sizes. The company…
17. Tii Technologies Inc. Edgewood · United States · 1K–5K employees
    Tii Technologies Inc. is a leading provider of telecommunications solutions, specializing in the design and manufacturing of advanced network infrastructure products. The company…
18. Senture, Llc London · United States · 1K–5K employees
    Senture, LLC is a leading provider of telecommunications and customer engagement solutions, specializing in delivering high-quality services to various industries. The company…
19. Wellreceived Portland · United States · 1K–5K employees
    Wellreceived is a technology company specializing in telecommunications solutions that enhance communication and engagement for businesses. The company focuses on providing…
20. Al-Hugayet General Contracting Company Green Street · United States · 1K–5K employees
    Al-Hugayet General Contracting Company is a prominent player in the telecommunications sector, specializing in providing comprehensive contracting services. The company has…
21. Datatech-Plus, Inc. Raleigh · United States · 1K–5K employees
    Datatech-Plus, Inc. is a leading provider of telecommunications solutions, specializing in advanced data management and communication technologies. The company offers a wide…
22. Utstarcom San Jose · United States · 1K–5K employees
    Utstarcom is a telecommunications company that specializes in providing broadband and IP-based solutions for service providers and enterprises. Founded in 1992, the company has a…
23. Vitel Communications, Llc Houston · United States · 1K–5K employees
    Vitel Communications, LLC is a telecommunications company based in the United States that specializes in providing innovative communication solutions for businesses and…
24. Frc Corp Mason City · United States · 1K–5K employees
    Frc Corp is a leading telecommunications company based in Mason City, United States. Established in 1977, the company specializes in providing a wide range of communication…
25. Equinox Integrated Concepts San Diego · United States · 1K–5K employees
    Equinox Integrated Concepts is a telecommunications company that specializes in providing innovative solutions and services to enhance communication and connectivity. The company…
26. Andrew Corporation Chicago · United States · 1K–5K employees
    Andrew Corporation is a leading provider of telecommunications equipment and services. Founded in the early 1990s, the company specializes in wireless communication solutions…
27. Protei Mena San Francisco · United States · 1K–5K employees
    Protei Mena is a telecommunications company based in the United States, specializing in providing innovative communication solutions and services. The company focuses on…
28. Tak Communications Sioux Falls · United States · 1K–5K employees
    Tak Communications is a telecommunications company based in Sioux Falls, South Dakota. The company specializes in providing high-speed internet services, broadband solutions, and…
29. Sycamore Networks Chelmsford · United States · 1K–5K employees
    Sycamore Networks is a leading provider of intelligent bandwidth management solutions for telecommunications service providers and enterprises. The company specializes in…
30. Humach Frisco · United States · 1K–5K employees
    Humach is a leading provider of customer engagement solutions, specializing in omnichannel contact center services and technology. The company focuses on enhancing customer…
31. Fpl Fibernet Miami · United States · 1K–5K employees
    FPL Fibernet is a leading telecommunications provider in the United States, specializing in high-speed internet and fiber optic services. The company is a subsidiary of NextEra…
32. Hot Pepper Mobile San Diego · United States · 1K–5K employees
    Hot Pepper Mobile is a telecommunications company based in San Diego, California, specializing in providing affordable mobile services and plans. The company focuses on…
33. Future Infrastructure Mesquite · United States · 1K–5K employees
    Future Infrastructure is a telecommunications company based in Mesquite, Texas, specializing in providing innovative solutions for connectivity and infrastructure development.…
34. Virtual Connection Usa Miami · United States · 1K–5K employees
    Virtual Connection USA is a telecommunications company based in Miami, Florida, specializing in providing innovative communication solutions for businesses and individuals. The…
35. Virtumedix Annapolis · United States · 1K–5K employees
    Virtumedix is a leading telecommunications company specializing in innovative solutions for healthcare communication. The company focuses on enhancing patient engagement and…
36. Yipes Enterprise Services San Francisco · United States · 1K–5K employees
    Yipes Enterprise Services is a telecommunications company that specializes in providing high-performance networking solutions for businesses. Founded in 2000, Yipes has…
37. Centerline Communications Llc West Bridgewater · United States · 1K–5K employees
    Centerline Communications LLC is a leading provider of telecommunications services in the United States, specializing in the design, construction, and maintenance of wireless…
38. Wavsys Brooklyn · United States · 1K–5K employees
    Wavsys is a telecommunications company specializing in providing innovative solutions and services to enhance communication networks. With a focus on delivering high-quality…
39. Zvrs Austin · United States · 1K–5K employees
    Zvrs is a telecommunications company based in Austin, Texas, specializing in providing innovative communication solutions for individuals and businesses. The company focuses on…
40. Rgts Eagan · United States · 1K–5K employees
    Rgts is a telecommunications company based in Eagan, Minnesota, specializing in providing advanced communication solutions for businesses and consumers. The company focuses on…
41. Msnp Llc Tampa · United States · 1K–5K employees
    Msnp LLC is a telecommunications company based in Tampa, Florida, specializing in providing a range of communication services including internet, phone, and data solutions for…
42. E2 Optics Englewood · United States · 1K–5K employees
    E2 Optics is a leading provider of telecommunications solutions, specializing in fiber optic network design, installation, and maintenance. The company focuses on delivering…
43. Sonus Chelmsford · United States · 1K–5K employees
    Sonus Networks, now part of Ribbon Communications, is a leading provider of secure and intelligent cloud communications solutions. The company specializes in delivering…
44. Htis Telecom Herndon · United States · 1K–5K employees
    Htis Telecom is a telecommunications company based in the United States, specializing in providing a range of communication services including internet, voice, and data…
45. Dialpad San Ramon · United States · 1K–5K employees
    Dialpad is a cloud-based communication platform that provides voice, video, and messaging services for businesses. It leverages artificial intelligence to enhance communication…
46. Wiltel Communications Tulsa · United States · 1K–5K employees
    Wiltel Communications is a telecommunications company that provides a range of communication services including voice, data, and internet solutions. The company has a strong…
47. Bluecrest Danbury · United States · 1K–5K employees
    Bluecrest is a leading provider of telecommunications solutions, specializing in innovative communication technologies and services. The company focuses on delivering…
48. Ribbon Partners Plano · United States · 1K–5K employees
    Ribbon Partners is a leading telecommunications company that specializes in providing innovative solutions for voice, video, and data communications. The company focuses on…
49. Communication Solutions, Llc Springfield · United States · 1K–5K employees
    Communication Solutions, LLC is a telecommunications company based in Springfield, United States. The company specializes in providing a range of communication services…
50. Netceed Edison · United States · 1K–5K employees
    Netceed is a telecommunications company specializing in providing advanced connectivity solutions and services. With a focus on delivering high-quality network infrastructure…