The telecommunications (telco) industry in the United States is highly competitive and diverse. While ranking the top 10 providers can vary based on different metrics such as market share, revenue, or subscriber base, here is a list of well-known telco providers in the United States:

  1. AT&T
  2. Verizon Communications
  3. T-Mobile US
  4. Comcast Corporation (Xfinity)
  5. Charter Communications (Spectrum)
  6. Dish Network Corporation
  7. Cox Communications
  8. Altice USA
  9. Frontier Communications
  10. CenturyLink (now known as Lumen Technologies)

Please note that the telco industry is dynamic, and rankings can change over time. Additionally, there are other notable telco providers in the United States, but the above list represents some of the largest and most well-known companies in the industry.