Telephony & Wireless

Zoominfo has 16,243 companies under Telephony & Wireless in the US


 

Top 20 Telephony & Wireless Companies in the US


companyName
China Communications Services International Limited
companyUrl
www.chinaccsi.com
company location city
Herndon
company location state
Virginia
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
China Communications Services (Hong Kong) International Limited or China Comservice International for short (CCSI) is the international arm and wholly-owned subsidiary of CCS, being responsible for its overseas business development and management. CC... More
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companyName
NTT DoCoMo Inc
companyUrl
www.nttdocomo.com
company location city
San Mateo
company location state
California
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
NTT DoCoMo, Inc. (DOCOMO) is a mobile telecommunication services provider belonging to NTT group whose parent company is Nippon Telegraph and Telephone Corporation (NTT). The total number of subscriptions to its cellular services freedom of mobile mu... More
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companyName
Singapore Telecommunications Limited
companyUrl
www.singtel.com
company location city
Redwood City
company location state
California
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
With a market capitalization of $45 billion, Singapore Telecommunications Limited is one of the largest companies in Asia. Through its group subsidiaries, SingTel's businesses include mobile phone and paging services, publishing, consultancy, postal ... More
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companyName
Nextel
companyUrl
www.nextel.com
company location city
Reston
company location state
Virginia
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Nextel Communications, Inc. is a provider of wireless communications services in the United States. The Company provides a suite of wireless services that include digital wireless mobile telephone service, walkie-talkie features, including its Nextel... More
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companyName
China Telecom Americas Corporation
companyUrl
www.ctamericas.com
company location city
Herndon
company location state
Virginia
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
China Telecom Americas offers the security of single source shopping for its clients, managing all of the network planning, implementation and operational support in the Americas, China and the rest of CT's global network coverage area, including the... More
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companyName
Siemens Enterprise Communications GmbH & Co.
companyUrl
www.siemens-enterprise.com
company location city
Reston
company location state
Virginia
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
Since 1993, Siemens has developed products with low energy consumption in mind and, where possible, adopted sustainable, environmental friendly production practices. Siemens has designed communications systems with software, using fewer, industry-s... More
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companyName
Sprint PCS
companyUrl
www.sprintpcs.com
company location city
Long Beach
company location state
California
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Sprint PCS Group is comprised of Sprint Corporation's wireless personal communications system (PCS) operations. As of December 31, 2003, the PCS Group, together with third-party affiliates, operated PCS systems in over 300 metropolitan markets. The P... More
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companyName
GTE Corporation
companyUrl
www.gte.com
company location city
Irving
company location state
Texas
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
With 1999 revenues of more than $25 billion, GTE is a leading telecommunications provider with one of the industry's broadest arrays of products and services. In the United States, GTE provides local service in 28 states and wireless service in 18 st... More
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companyName
U S WEST , Inc.
companyUrl
www.uswest.com
company location city
Englewood
company location state
Colorado
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
U S WEST provides a full range of telecommunications services including wireline, wireless PCS, data networking, directory and information services to more than 25 million customers nationally and in 14 western and midwestern states. More
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companyName
Qualcomm Incorporated
companyUrl
www.qualcomm.com
company location city
San Diego
company location state
California
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
Qualcomm Incorporated (NASDAQ: QCOM) is a world leader in 3G, 4G and next-generation wireless technologies. Qualcomm Incorporated includes Qualcomm’s licensing business, QTL, and the vast majority of its patent portfolio. Qualcomm Technologies, Inc.,... More
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companyName
VoiceStream Wireless Corporation
companyUrl
www.voicestream.com
company location city
Bellevue
company location state
Washington
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
VoiceStream Wireless Corp. is a nationwide provider of personal communications services (PCS). The Company operates and uses the Global System for Mobile Communications (GSM) communications technology platform. The Company is a member of The GSM Alli... More
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companyName
Telephone and Data Systems , Inc.
companyUrl
www.tdsinc.com
company location city
Chicago
company location state
Illinois
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
Telephone and Data Systems, Inc. (TDS) is a diversified telecommunications service company with wireless operations provided by TDS’ 81%-owned subsidiary, United States Cellular Corporation (U.S. Cellular), and wireline operations provided by TDS’ wh... More
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companyName
Arcor
companyUrl
www.arcor.de
company location city
Coral Gables
company location state
Florida
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
ArcorBuy.com provides a technological solution that permits you to manage your business with us in the easiest and quickest manner possible. With a simple PC, connected to Internet, you will gain access to the list of products we purchase, to the pos... More
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companyName
Cox Communications Inc
companyUrl
www.cox.com
company location city
Atlanta
company location state
Georgia
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Cox Communications is a broadband communications and entertainment company, providing advanced digital video, Internet, telephone and home security and automation services over its own nationwide IP network. The third-largest U.S. cable TV company, C... More
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companyName
Airtel
companyUrl
www.airtel.in
company location city
New York
company location state
New York
company location country
United States
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company employee count
Over 10,000 Employees
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companyDescription
We provide a comprehensive portfolio of solutions to help you deliver high-quality voice services that drive increased satisfaction for your customers. Leverage our services to increase revenue and deliver to your bottom line. As one of the largest... More
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companyName
Avaya Inc
companyUrl
www.avaya.com
company location city
Basking Ridge
company location state
New Jersey
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Avaya Inc. provides communication systems, applications and services for enterprises, including businesses, government agencies and other organizations. Its product offerings include Internet protocol (IP) telephony systems and voice communications s... More
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companyName
MCI Inc.
companyUrl
www.mci.com
company location city
Ashburn
company location state
Virginia
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
MCI, Inc. is a global communication companies, providing a range of services in over 200 countries on six continents. The Company provides Internet, data and voice communication services for businesses and government entities throughout the world and... More
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companyName
Qwest Communications International Inc.
companyUrl
www.qwest.com
company location city
Denver
company location state
Colorado
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Qwest Communications International Inc. (Qwest), is a provider of data, Internet, video and voice services. The Company operates its business in the 14-state region of Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Da... More
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companyName
Bell Atlantic Corporation
companyUrl
www.bellatlantic.com
company location city
New York
company location state
New York
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
Bell Atlantic is one of the world's largest publishers of Yellow Pages shopping directories. Its affiliate, Bell Atlantic Electronic Commerce Services, is the creator of BigYellow, a leading national online shopping service, and Web@Once Web Site Cre... More
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companyName
Swisscom AG
companyUrl
www.swisscom.ch
company location city
Dulles
company location state
Virginia
company location country
United States
(map)
company employee count
Over 10,000 Employees
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companyDescription
With net revenues of over CHF 10 billion and approximately 20,000 employees - of which 800 are trainees -- Swisscom is Switzerland's leading telecommunications company. The innovative, customer-focused and strongly competitive group offers a full ran... More
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