| 76111190 | THE ONLY WHOLESALE-ONLY MULTI-SERVICE NETWORK | WILLIAMS COMMUNICATIONS, INC. | — |
| 76175012 | ADHOST | WILLIAMS COMMUNICATIONS, INC | — |
| 76162999 | MEDIAAXESS | WILLIAMS COMMUNICATIONS, INC. | — |
| 76077040 | WILLIAMS ONE PLUS SERVICES | WILLIAMS COMMUNICATIONS, INC. | — |
| 76077031 | WILLIAMS NETWORK CONTROL CENTER SERVICES | WILLIAMS COMMUNICATIONS, INC. | — |
| 76077027 | WILLIAMS INTERNATIONAL PRIVATE LINE SERVICES | WILLIAMS COMMUNICATIONS, INC. | — |
| 76063621 | E-VERYTHING FOR YOUR BUSINESS COMMUNICATIONS NEEDS | WILLIAMS COMMUNICATIONS, INC. | 2482080 |
| 76063620 | E-VERYTHING | WILLIAMS COMMUNICATIONS, INC. | 2475613 |
| 76054456 | ADSYNC | Williams Communications, Inc. | — |
| 76033321 | WILLIAMS FLEX-CIR | WILLIAMS COMMUNICATIONS, INC. | 2459631 |
| 75864013 | WILLIAMS OPTICAL WAVE SERVICE | WILLIAMS COMMUNICATIONS, INC. | 2390052 |
| 75791571 | WILLIAMS MULTI-SERVICE BROADBAND NETWORK | WILLIAMS COMMUNICATIONS, INC. | 2372839 |
| 75777636 | GET CARRIED AWAY | WILLIAMS COMMUNICATIONS, INC. | 2447494 |
| 75775937 | WILLIAMS FLEX-UNI | WILLIAMS COMMUNICATIONS, INC. | 2341573 |
| 75695967 | TAKING CARE OF CUSTOMERS IS OUR BUSINESS | WILLIAMS COMMUNICATIONS, INC. | — |
| 75654487 | DEDICATED LITE | WILLIAMS COMMUNICATIONS, INC. | 2321598 |
| 75647267 | WILLIAMS MANAGED SERVICES | WILLIAMS COMMUNICATIONS, INC. | 2326178 |
| 75587769 | WILLIAMS PRIVATE LINE SERVICES | WILLIAMS COMMUNICATIONS, INC. | 2288037 |
| 75584223 | WILLIAMS COLLOCATION SERVICES | WILLIAMS COMMUNICATIONS, INC. | 2306056 |
| 75584221 | WILLIAMS ATM SERVICES | WILLIAMS COMMUNICATIONS, INC. | 2307425 |
| 75554203 | WILLIAMS CARRIER SALES | WILLIAMS COMMUNICATIONS, INC. | — |
| 75548328 | WILLIAMS NETWORK MIRRORING SERVICES | WILLIAMS COMMUNICATIONS, INC. | — |
| 75515307 | WILLIAMS FRAME RELAY SERVICES | WILLIAMS COMMUNICATIONS, INC. | 2318134 |
| 75515294 | WILLIAMS MULTISERVICE NETWORK | WILLIAMS COMMUNICATIONS, INC. | 2367544 |
| 75509708 | SYNERACT RESPONSE PROGRAM | Williams Communications, Inc | — |
| 75507499 | THAT WILLIAMS NETWORK | WILLIAMS COMMUNICATIONS, INC. | 2287560 |
| 75507450 | WILLIAMS, THE CARRIER'S NETWORK | WILLIAMS COMMUNICATIONS, INC. | — |
| 75507440 | WILLIAMS CARRIER NETWORK | WILLIAMS COMMUNICATIONS, INC. | — |
| 75493886 | SOUND QUALITY. CONSISTENT DELIVERY. | WILLIAMS COMMUNICATIONS, INC. | 2299598 |
| 75493838 | HARNESSING TECHNOLOGY | WILLIAMS COMMUNICATIONS, INC. | 2305572 |
| 75455489 | WE ANSWER TO A HIGHER CALLING | Williams Communications, Inc. | 2371986 |
| 75453741 | EASYTOUCH | Williams Communications, Inc. | 2294096 |
| 75453566 | FIBER MILES LAID, LIT AND READY TO RIDE | Williams Communications, Inc. | — |
| 75274013 | SOUTH. | Williams Communications, Inc. | — |
| 74634074 | GEORGIA TIMES | Williams Communications, Inc. | 1944264 |
| 74622674 | GLOBAL ACCESS | WILLIAMS COMMUNICATIONS, INC. | 2226815 |
| 74533785 | 711 CONNECT | Williams Communications, Inc. | — |
