| Company | Now Known As | Last Known Street Address | |
|---|---|---|---|
| CBN Connect, Inc. | 194 US Oval Plattsburgh NY 12901 | ||
| CIS Connected | CIS Connected LLC | 135 West 36th Street 9th Floor New York NY 10018 | |
| CitiBroadband Wireless, Inc. | 25 James Way Eatontown NJ 07724 | ||
| Clear World Communications Corporation | 2901 W. MAcarthur Blvd. Suite 204 Santa Ana CA 92704 | ||
| Close Call America, Inc. | Birch |
101A Log Canoe Circle Stevensville MD 21666 US | |
| Coast International, Inc. | 14303 W 95th Street Lenexa KS 66215 | ||
| Coleman Enterprises, Inc. d/b/a Local Long Distance | Local Long distance | 107 W Michigan Ave 4th Floor Kalamazoo MI 49007 | |
| Comcast of New York, LLC | Comcast Center 1701 John F. Kennedy Blvd. Philadelphia PA 19103 | ||
| Comcast Phone of New York, LLC D/B/A Comcast Digital Phone | 1701 John F. Kennedy Blvd. Philadelphia PA 19103 | ||
| Compatel LLC | # 101 Albany, NY 12206 911 Central Avenue Albany NY 12206 | ||
| ConnectTo Communications Inc. | 555 Riverside Drive Suite A Glendale CA 91204 | ||
| Constructure Technologies, LLC | 425 Broad Hollow Rd. Suite 408 Melville NY 11747 | ||
| Cordia Net Corp. | 2900 Westchester Ave. Suite 103 Purchase NY 10577 | ||
| CoreTel New York, Inc. | 500 Westover Dr. PMB 15604 Sanford NC 27330 | ||
| Cost Plus Communications, LLC | 107 W Michigan 4th Fl Kalamazoo MI 49007 | ||
| CSP Telecom, Inc | 27251 SR 54 Suite B14 Wesley Chapel Fl 33544 USA | ||