| Company | Status | Now Known As | Street Address | Customer Contact No. | |
|---|---|---|---|---|---|
| QAI, Inc. | Ceased Operations | Long Distance Billing | |||
| QCC, Inc. | Ceased Operations | ||||
| QCSTelecom, Inc. | Active | 1 Stair Way Monroe, NY 10950 | 732-595-7278 | ||
| Qratings, Inc. | Ceased Operations | ||||
| Qtel, Inc. | Inactive | ||||
| QTel, LLC. | Active | PO Box 234330 Great Neck, NY 11023-4330 | 800-991-7835 | ||
| QuadraCom, LLC | Ceased Operations | ||||
| Quality Telecom, Inc. | Ceased Operations | ||||
| QuantumShift Communications, Inc. | Ceased Operations | 12657 Alcosta Boulevard Suite 418 San Ramon, CA 94583 | |||
| QuantumShift Communications, Inc. d/b/a vCom Solutions | Active | 12657 Alcosta Blvd Ste 418 San Ramon, CA 94583 | 800-804-8266 | ||
| Quarter Call, Inc. | Ceased Operations | ||||
| Quartet Services USA Corporation | Ceased Operations | ||||
| Quasar Communications Corporation | Inactive | 15610 Boulder Oaks Drive Houston, TX 77084 | |||
| Queens Inner-Unity Cable System | Ceased Operations | ||||
| Queens Public Communications Corporation | Ceased Operations | ||||
| Quest Communications Corporation | Ceased Operations | ||||
| Quick Tel, Inc. | Ceased Operations | 324 Trinity Place Elizabeth, NJ | |||
| Quicklink Telecom, Inc. | Ceased Operations | ||||
| Quintel Entertainment, Inc.* | Ceased Operations | ||||
| Quintelco, Inc. | Ceased Operations | ||||
| Qwest Communications Company, LLC | Ceased Operations | n/a | 1801 California St. 10th Floor Denver, Colorado 80202 | ||
| Qwest Communications Company, LLC d/b/aCenturyLink QCC | Ceased Operations | Centurylink Communications, LLC | 100 CenturyLink Drive NA NA Monroe, LA 71203 | ||
| Qwest Communications Corporation | Ceased Operations | 1801 California 10th Floor Denver, CO 80202 | |||
| Qwest Communications Ride | Ceased Operations | ||||
| Qwest Communications The Power of Connection | Ceased Operations | ||||
| Qwest Interprise America, Inc. (QIA) | Ceased Operations | 1801 California Street 51st Floor Denver, CO 80202 | |||
| Qwest Telecommunications, Inc. | Inactive | ||||
| QX Telecom, LLC | Ceased Operations | N/A | 230 Fifth Avenue, Suite 800 New York, NY 10001 | ||