| SIC Codes: | 4813 |
| NAICS Codes: | 517110 |
The US wired telecommunications services industry includes about 2,000 companies with combined annual revenue of about $160 billion. Major companies include AT&T, Verizon Communications, Comcast, and CenturyLink. The industry is highly concentrated: the 50 largest companies generate more than 90 percent of revenue.
Demand is driven by new services and growth in business activity. The profitability of individual companies depends on efficient operations and effective marketing. Large companies have economies of scale in providing a highly automated service to large numbers of customers, and the financial resources required to build and maintain a large network. Smaller companies can compete effectively in small markets or by providing specialty services.
Major services are local and long-distance calling, TV distribution, and Internet access services. Local calling and TV program distribution each account for about 20 percent of industry revenue; long-distance calling and Internet access each account for about 10 percent. Other services include network access, data transmission, private networks, installation, equipment sales, and calling features such as caller ID and voice mail. Network access charges are levied against other carriers, mainly long-distance and wireless service providers, that need access to local wired phone systems.
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