AT&T<American Telephone and Telegraph>
アメリカ最大の電話電信会社,本社はニューヨーク.ベル電話研究所,ウェスタンエレクトリック社,その他多数の地域別運営会社を傘下にもっていたが,1984年にこれらのベル系電話運用会社は7つの新会社に再編成されAT&Tから分離独立,ベル電話研究所とウェスタンエレクトリック社はAT&Tに残ったという経緯がある.
出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/17 01:27 UTC 版)
AT&T Inc. is the largest provider of fixed telephony in the United States, and is also a provider of broadband and subscription television services. As of 2010, AT&T is the 7th largest company in the United States by total revenue, as well as the 4th largest non-oil company in the US (behind Walmart, General Electric and Bank of America). It is the 3rd largest company in Texas by total revenue (behind ExxonMobil and ConocoPhillips) and the largest non-oil company in Texas. It is also the largest company headquartered in Dallas. In 2011, Forbes listed AT&T as the 14th largest company in the world by market value and the 9th largest non-oil company in the world by market value. It is the 20th largest mobile telecom operator in the world with over 96 million mobile customers.
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