| Rank | Company | Market cap | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $193B | Communication Services | Telecom Services | United States | NYSE | |
| 2 | $170B | Communication Services | Telecom Services | United States | NYSE | |
| 3 | $66.7B | Communication Services | Telecom Services | United States | NYSE | |
| 4 | $20.2B | Communication Services | Telecom Services | United States | NYSE | |
| 5 | $12.5B | Communication Services | Telecom Services | United States | NYSE | |
| 6 | $8.95B | Communication Services | Telecom Services | United States | NYSE | |
| 7 | $5.73B | Communication Services | Telecom Services | United States | NYSE | |
| 8 | $4.51B | Communication Services | Telecom Services | United States | NYSE | |
| 9 | $3.95B | Communication Services | Telecom Services | United States | NYSE | |
| 10 | $3.93B | Communication Services | Telecom Services | United States | NYSE | |
| 11 | $2.91B | Communication Services | Telecom Services | United States | NYSE | |
| 12 | $2.83B | Communication Services | Telecom Services | United States | NYSE | |
| 13 | $2.27B | Communication Services | Telecom Services | United States | NYSE | |
| 14 | $2.00B | Communication Services | Telecom Services | United States | NYSE | |
| 15 | $422M | Communication Services | Telecom Services | United States | NYSE | |
| 16 | Communication Services | Telecom Services | United States | NYSE | ||
| 17 | Communication Services | Telecom Services | United States | NYSE |