Ask Daxia to introduce domestic and foreign communication companies

The concept of a communications company is too broad, and I don't know which field it belongs to.

There are countless large and small companies engaged in communication at home and abroad, and I will briefly list the well-known ones:

1. Ericsson, Datang, ZTE, Huawei, NEC, Fiberhome, Marconi (Communications, acquired by Ericsson), Alcatel UT

2. ECI key bridge optical bridge.

3. Motorola, Shanghai Bell, Cisco, Nokia Siemens 4, Operator: Telecom, Mobile, Unicom.

The first three categories belong to equipment manufacturers, and of course R&D is also included.

I'll just give an example on behalf of the company I currently work for (which also belongs to a communications company).

Shenzhen Bangyan Information Technology Co., Ltd. is engaged in the R&D, production and sales of optical communication (transmission, access) and digital program-controlled switching, and is committed to providing professional communication solutions for military networks and power networks.

Domestic: China Mobile, China Telecom, China Unicom, China Satcom.

Abroad: AT&T, Bell, Verizon in the United States

NTT, Japan

Dear, I am glad to answer for you: There are four major communication giants in China, they are Julong Communications, Datang Telecom, ZTE and Huawei Technology Giant China, China's four major communication giant companies, they are Julong Communications, Datang Telecom, ZTE and Huawei Technologies, the first three are state-owned enterprises, only Huawei is a private enterprise, this is really a strange phenomenon, the first three state-owned enterprises are mergers, fines of fines, only Huawei is a golden rooster independent, overseas orders continue, Many of these orders were originally from these three companies, but they couldn't compete with Huawei in terms of hard power, and this phenomenon seems to have become a trend.

1. Vodafone.

Vodafone is a multinational mobile operator.

It is now one of the world's largest mobile communications companies, with investments in 27 countries around the world.

In another 14 countries, they are partnering with local mobile** operators to jointly operate mobile** networks.

2. Mexico Americas Telecommunications Company.

America Móvil (NYSE: AMX, BMV: AMX, NASDAQ:).

Founded in Mexico City in 2000, AMOV is a leading operator in Latin America and one of the largest wireless carriers in the world.

Mexico Americas Telecommunications is a publicly traded wireless communications company that serves more than 1.3 million wireless subscribers in the Americas, and is mainly concentrated in Latin America and the Caribbean in March 2007.

The company produced Carlos Slim Elu, the richest man in Mexico and the richest man in the world according to Forbes.

3. Comcast.

Comcast Corporation (English: Cast Corporation; Abbreviation: CMCSA), is a major cable television, broadband network and IP service provider in the United States.

Headquartered in Philadelphia, Pennsylvania, it is the largest cable company in the United States with 24.6 million cable subscribers, 14.4 million broadband subscribers and 5.6 million IP** subscribers.

Comcast is also the second-largest Internet service provider** in the U.S., after AT&T.

4. World Communications Corporation of the United States.

World Communications Corporation (WorldCom for short) is an American telecommunications company that went bankrupt in 2003 due to an accounting scandal.

In January 2006, it was acquired by Verizon for $7.6 billion and reorganized into its business division.

The company has changed its name to MCI and is headquartered in Virginia.

5、telefonica

Telefonica is the Spanish abbreviation of Telefónica of Spain.

Founded on April 19, 1924, Spain** is an international telecommunications company that provides customers at home and abroad with a comprehensive range of services including fixed communication lines, mobile phones, Internet, data, cable television, etc.

It has a significant impact in Spanish-speaking and Portuguese-speaking countries.

Are you asking about carriers or equipment vendors? Generally speaking, there are three operators: China Mobile, China Unicom and China Telecom. There are two equipment vendors: Huawei and Center.

Three: China Mobile, China Unicom, and China Telecom.

From Dell'A new research report by the Oro Group shows:

WDM (Wavelength Division Multiplexing) rankings: Huawei, CIENA, Alcatel-Lucent (ARAN), Fujitsu, and NEC led the global WDM market in the third quarter of 2012.

WiMAX (Global Microwave Connected Access)** Ranking: Oviton, Alcatel-Lucent, Motorola, Cisco, Huawei.

Femtocell (2G, 3G, 4G Flying Cellular) Telecom Providers: Samsung, Airvana, Alcatel-Lucent, Ubiquisys, Fujitsu, SpiderCloud.

1. Ericsson.

Huawei ZTE. Siemens Vodafone.

2. Production of communication equipment and customized solutions.

Fleisen Telecommunications Co., Ltd. was formed in May 2000 by the merger of Bellatlantic and General Electric Company (GTE) of the United States ($60 billion), and is the largest local ** company and the second largest telecommunications service provider in the United States, with 100 million fixed ** access lines and 28 million mobile subscribers. The company is also the world's largest dictionary publishing and retrieval company. In fiscal year 2000 (December 2000), turnover was 100 million US dollars, net income was 100 million US dollars, total assets were 100 million US dollars, and 263552 employees.

The subsidiary, Fleisen Wireless, was formed in 2000 by the merger of Fleisen and Vodafone Communications in the United States, with the former holding 55% of the shares and the latter holding 45% of the shares. The company is the largest mobile** service provider in the United States, with more than 28 million mobile subscribers and 3.5 million web customers, with a revenue of $14.2 billion in 2000. Truss, which holds a 22% stake, is Canada's second-largest telecommunications company, with 5 million access lines, 500,000 Internet access users and 2.2 million mobile users.

In 2000, the turnover was $4.2 billion. In addition, Fleison Communications has a 37% stake in the Mexican mobile** service provider. With operations in 44 countries and 22 countries in the Americas, Europe and Asia-Pacific, Fleisen Communications has 3.2 million wired and 8.3 million wireless customers.

Among them, Asian countries (regions) include Japan, the Philippines, Taiwan, Thailand, etc. Satisfied.

World Communications has experienced the ups and downs of the U.S. telecommunications industry for half a century: it has promoted the U.S. antitrust legislative process, which led to the spin-off of AT&T; Its acquisition of MCI and the subsequent accounting scandal reflected the restlessness of the telecommunications industry in the dot-com bubble of the late 90s of the 20th century.

At one time, Worldcom was the second-largest long-haul** company in the U.S. after AT&T, thanks to acquisitions of other telecommunications companies, most notably MCI and Uunet, the backbone of the U.S. Internet Tier 1 ISP.