| Case Number | Case Title | Open Date | Closed Date |
| 90-5170-CT-TRF | MAIL.COM BUSINESS MESSAGING SERVICES | 03/10/1993 | 10/21/2003 |
| 90-5172-CT-TRF | OPERATOR SERVICE COMPANY, LLC | 05/27/1993 | 10/17/2023 |
| 90-5173-CT-TRF | COIN PHONES, INC. | 08/26/1993 | 09/24/2019 |
| 90-5174-CT-TRF | CITY SIGNAL, INC. | 05/07/1993 | 08/20/1997 |
| 90-5175-CT-TRF | INTELLICALL OPERATOR SERVICES, INC. | 05/14/1993 | |
| 90-5177-CT-TRF | INMATE PHONE SYSTEMS CORPORATION | 06/08/1993 | 03/10/2014 |
| 90-5183-CT-TRF | TIME WARNER AXS/GREATER CINCINNATI | 12/10/1993 | 05/12/1999 |
| 90-5186-CT-TRF | TIME WARNER AXS OF WESTERN OHIO, LP | 12/10/1993 | 12/20/2006 |
| 90-5189-CT-TRF | HOSPITALITY COMMUNICATIONS CORP. | 10/14/1993 | 06/01/1999 |
| 90-5218-CT-TRF | MCI TELECOMMUNICATIONS CORP. | 01/25/1993 | 01/01/2003 |
| 90-5230-CT-TRF | STENOCALL | 06/30/1993 | 08/03/1999 |
| 90-5602-CT-TRF | QUEST TELECOMMUNICATIONS, INC. | 12/30/1993 | 01/03/2003 |
| 90-5606-CT-TRF | BUDGET CALL LONG DISTANCE, INC. | 10/23/1993 | 04/09/2018 |
| 90-5607-CT-TRF | RD&J COMMUNICATIONS, INC. | 12/23/1993 | 08/03/1999 |
| 93-2080-CT-ACE | TCG AMERICA, INC. | 12/27/1993 | 03/10/1994 |
| 93-2084-CT-ZAC | AT&T COMMUNICATIONS/OTTERBEIN COL | 12/27/1993 | 12/27/1993 |
| 93-2085-CT-ZAC | AT&T COMM/AUTOMATED PACKAGING | 12/27/1993 | 12/27/1993 |
| 93-2086-CT-ZTA | AT&T COMMUNIATIONS OF OHIO, INC. | 12/27/1993 | 12/27/1993 |
| 93-2089-CT-ZTA | LDDS-METRO COMMUNICATIONS, INC. | 12/28/1993 | 12/28/1993 |
| 93-2090-CT-ZTA | LDDS METROMEDIA COMMUNICATIONS | 12/28/1993 | 12/28/1993 |
| 93-2091-CT-AMT | AMERICALL/MIDAMERICAN COM/LDDS COM | 12/28/1993 | 07/21/1994 |