| Date Filed | Summary | Pages |
| 11/28/2017 | Case Action Form closing case electronically filed by Michelle A Green on behalf of Public Utilities Commission of Ohio. | 2 |
| 11/13/2017 | Notice of Cancellation of Certificate No. 90-6139-CT-TRF. | 2 |
| 10/02/2017 | In the matter of TTI National, Inc. to Cancel Its Certificate of Authority filed by K. Tucker. | 7 |
| 08/31/2017 | In the matter of the application of TTI National, Inc and MCI Communications Services, Inc dba Verizon Business Services to Transfer Customers From TTI National, Inc. to MCI Communications Services Inc. dba Verizon Business Services. filed by Karl Tucker. | 12 |
| 04/03/2008 | In the matter of the application of TT1 National, Inc. to detariff certain tier 2 services and make changes related to the implementation of 06-1345-TP-ORD. | 49 |
| 06/01/2006 | In the matter of the application of TTI National, Inc. to make revisions to its tariff, PUCO No. 1. | 9 |
| 07/18/2003 | Final tariff PUCO No. 1, filed on behalf of TTI National, Inc. by S. Gilroy. | 26 |
| 06/03/2003 | In the matter of the application of TTI National, Inc. for authority to operate as an intrastate CTS provider. | 64 |