Brief Excerpt from Industry Overview Chapter:
In the US, about 5,000 companies provide wired telecommunication services, with total annual revenue over $200 billion. Large companies include AT&T, Verizon, and Qwest. The industry is highly concentrated: the 50 largest companies hold 90 percent of the market.
The industry includes local service carriers (annual revenues about $130 billion); long-distance carriers (about $70 billion); pay phone operators; pre-paid card providers; and telecommunication resellers.
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