| AT&T Mobility Services, LLC/Customer CA | — | 0 | — | — |
| AT&T Network Operations CA | — | 0 | — | — |
| AT&T Services, Inc. AL | Information & Media | 0 | — | A |
| AT&T Services, Inc. CA | Information & Media | 0 | — | A |
| AT&T Services, Inc. CT | Information & Media | 0 | — | A |
| AT&T Services, Inc. FL | Information & Media | 0 | — | A |
| AT&T Services, Inc. GA | Information & Media | 0 | — | A |
| AT&T Services, Inc. IL | Information & Media | 0 | — | A |
| AT&T Services, Inc. IN | Information & Media | 0 | — | A |
| AT&T Services, Inc. MN | Information & Media | 0 | — | A |
| AT&T Services, Inc. MO | Information & Media | 0 | — | B |
| AT&T Services, Inc. NC | Information & Media | 0 | — | B |
| AT&T Services, Inc. NJ | Information & Media | 0 | — | A |
| AT&T Services, Inc. NY | Information & Media | 0 | — | A |
| AT&T Services, Inc. OH | Information & Media | 0 | — | A |
| AT&T Services, Inc. PA | Information & Media | 0 | — | A |
| AT&T Services, Inc. TN | Information & Media | 0 | — | B |
| AT&T SERVICES, INC. TX | Information & Media | 297 | $165,542 | A |
| AT&T Services, Inc. VA | Information & Media | 0 | — | A |
| AT&T Services, Inc. WI | Information & Media | 0 | — | A |
| AT&T Services, Inc. (Billing Inquiry Call Center Operations) NY | — | 0 | — | — |
| AT&T TECH SRVCS COMPANY INC MD | Information & Media | 0 | — | A |
| AT&T'S Global Business Solutions CA | — | 0 | — | — |
| AT&T, Abs Customer Service CA | — | 0 | — | — |
| AT&T, Abs Global Customer Service CA | — | 0 | — | — |
| AT&T, Architecture And Common Services Integration CA | — | 0 | — | — |
| AT&T, Business Marketing CA | — | 0 | — | — |
| AT&T, Consumer Information Technology CA | — | 0 | — | — |
| AT&T, Consumer It- Mobility & U- Verse Billing CA | — | 0 | — | — |
| AT&T, Customer Connectivity Solutions CA | — | 0 | — | — |
| AT&T, Customer Information Services Operations CA | — | 0 | — | — |
| AT&T, Finance CA | — | 0 | — | — |
| AT&T, Global Customer Service CA | — | 0 | — | — |
| AT&T, Global Enterprise Solutions CA | — | 0 | — | — |
| AT&T, Global Network Field Operations CA | — | 0 | — | — |
| AT&T, Global Network Operations CA | — | 0 | — | — |
| AT&T, Global Operations CA | — | 0 | — | — |
| AT&T, Human Resources CA | — | 0 | — | — |
| AT&T, Inforamtion Technology, Application & Svc Mg CA | — | 0 | — | — |
| AT&T, Information Technology CA | — | 0 | — | — |
| AT&T, Wholesale & Gem Solutions CA | — | 0 | — | — |
| AT&T,Abs Global Customer Service CA | — | 0 | — | — |
| AT&T- Support Services-Attsco TX | — | 0 | — | — |
| AT&T-El Paso TX | — | 0 | — | — |
| AT&T-Houston TX | — | 0 | — | — |
| AT&T-Midland TX | — | 0 | — | — |
| At-Bay, Inc. CA | Finance & Insurance | 1 | $110,000 | — |
| ATA - Aerospance Testing Alliance TN | — | 0 | — | — |
| ATA Aerospace MD | — | 0 | — | — |
| ATA Retail Services, LLC CA | — | 0 | — | — |
