The largest internet providers in the United States are:
  1. Comcast (Xfinity)
  2. Charter Communications (Spectrum)
  3. AT&T
  4. Verizon
  5. Cox Communications

These five providers collectively have over 100 million broadband internet subscribers.

In terms of the fastest internet speeds, the top three providers are:

  1. Google Fiber
  2. Verizon
  3. Xfinity

Google Fiber offers symmetrical speeds of up to 1 gigabit per second (Gbps), while Verizon and Xfinity offer symmetrical speeds of up to 1.2 Gbps.

The availability of these providers varies by location. You can use a website like SolveForce to find out which providers are available in your area by calling (888) 765-8301.

Here are the top 10 largest internet providers in the United States, based on the number of broadband internet subscribers:

RankProviderNumber of subscribers
1Comcast31.7 million
2Charter Communications20.7 million
3AT&T18.7 million
4Verizon15.3 million
5Cox Communications6.8 million
6Altice USA4.5 million
7Lumen Technologies3.9 million
8Frontier Communications3.6 million
9Mediacom3.3 million
10Astound Broadband3.1 million
ISPs