| Company | Now Known As | Last Known Street Address | |
|---|---|---|---|
| QAI, Inc. | Long Distance Billing | ||
| QCC, Inc. | |||
| Qratings, Inc. | |||
| QuadraCom, LLC | |||
| Quality Telecom, Inc. | |||
| QuantumShift Communications, Inc. | 12657 Alcosta Boulevard Suite 418 San Ramon CA 94583 | ||
| Quarter Call, Inc. | |||
| Quartet Services USA Corporation | |||
| Queens Inner-Unity Cable System | |||
| Queens Public Communications Corporation | |||
| Quest Communications Corporation | |||
| Quick Tel, Inc. | 324 Trinity Place Elizabeth NJ | ||
| Quicklink Telecom, Inc. | |||
| Quintel Entertainment, Inc.* | |||
| Quintelco, Inc. | |||
| Qwest Communications Company, LLC | n/a | 1801 California St. 10th Floor Denver Colorado 80202 | |
| Qwest Communications Company, LLC d/b/aCenturyLink QCC | Centurylink Communications, LLC | 100 CenturyLink Drive NA NA Monroe LA 71203 | |
| Qwest Communications Corporation | 1801 California 10th Floor Denver CO 80202 | ||
| Qwest Communications Ride | |||
| Qwest Communications The Power of Connection | |||
| Qwest Interprise America, Inc. (QIA) | 1801 California Street 51st Floor Denver CO 80202 | ||
| QX Telecom, LLC | N/A | 230 Fifth Avenue, Suite 800 New York NY 10001 | |