2018 Top 100
14: AT&T Inc.
| Top 100 Revenue: | $1,979,011,000 |
| Defense Revenue: | $692,654,000 |
| Civilian Revenue: | $1,286,357,000 |
| 2017 Revenue: | N/A |
| 2017 Earnings: | N/A |
| 2016 Revenue: | N/A |
| 2016 Earnings: | N/A |
| Number of employees: | N/A |
| Headquarters: | San Antonio |
| Website: | www.att.com |
| Leadership: | N/A |
| Ticker: | T |
| Lines of business: | N/A |
| Major customers: | N/A |
| Major contracts/projects: | N/A |
