General Patent Corporation International
General Patent Corporation
IP Holdings LLC

Companies that have taken licenses under the Forward Technologies, LLC patent include:

1. Telepacific Communications
   
2. Paetec Communications
   
3. Valor Telecommunications
   
4. Grand River Mutual Telephone
   
5. Garden Valley Telephone
   
6. Mid-Missouri Telephone
   
7. Melrose Telephone
   
8. Pacific Bell Telephone Company
9. SBC Communications, Inc. (Parent company of Pacific Bell - both companies now part of AT&T)