| Company | CIK | Ticker Symbol | Document |
| ACCESS ONE COMMUNICATIONS CORP | 1048764 | | S-4[html] |
| Allworx Corp. | 1472232 | | S-4[html] |
| CAVALIER TELEPHONE CORP | 1089173 | | S-4[html] |
| CavTel Holdings, LLC | 1521718 | | S-4[html] |
| Cavalier IP TV, LLC | 1521581 | | S-4[html] |
| Cavalier Services, LLC | 1521579 | | S-4[html] |
| Cavalier Telephone Mid-Atlantic, L.L.C. | 1521578 | | S-4[html] |
| Cavalier Telephone, L.L.C. | 1521577 | | S-4[html] |
| Compco, Inc. | 1521717 | | S-4[html] |
| Elantic Networks Inc | 1293172 | | S-4[html] |
| Intellifiber Networks, Inc. | 1521429 | | S-4[html] |
| LDMI TELECOMMUNICATIONS INC | 1234293 | | S-4[html] |
| MPX INC | 1139900 | | S-4[html] |
| McLeodUSA Information Services LLC | 1388935 | | S-4[html] |
| McLeodUSA LLC | 919943 | | S-4[html] |
| McLeodUSA Purchasing, L.L.C. | 1388937 | | S-4[html] |
| McLeodUSA Telecommunications Services, L.L.C. | 1388938 | | S-4[html] |
| NT Corp | 1521557 | | S-4[html] |
| Network Telephone Corp | 1521430 | | S-4[html] |
| OMNICALL INC | 1084443 | | S-4[html] |
| Other Phone Company, Inc. | 1521623 | | S-4[html] |
| PAETEC Corp. | 1069588 | | S-4[html] |
| PAETEC Holding Corp. | 1372041 | NASDAQ:PAET | S-4[html] |
| PAETEC Integrated Solutions Group, Inc. | 1421863 | | S-4[html] |
| PAETEC Realty LLC | 1492537 | | S-4[html] |
| PAETEC iTel, L.L.C. | 1421919 | | S-4[html] |
| PaeTec Communications of Virginia, Inc. | 1421859 | | S-4[html] |
| PaeTec Communications, Inc. | 1421860 | | S-4[html] |
| PaeTec Software Corp. | 1421862 | | S-4[html] |
| QUAGGA CORP | 1118044 | | S-4[html] |
| SM Holdings, LLC | 1521431 | | S-4[html] |
| TALK AMERICA HOLDINGS INC | 948545 | | S-4[html] |
| TC Services Holding Co., Inc. | 1521627 | | S-4[html] |
| Talk America Inc. | 1521425 | | S-4[html] |
| Talk America of Virginia, Inc. | 1521426 | | S-4[html] |
| Technology Resource Solutions, Inc. | 1472231 | | S-4[html] |
| U.S. Energy Partners LLC | 1492547 | | S-4[html] |
| US LEC Communications LLC | 1307321 | | S-4[html] |
| US LEC LLC | 1054290 | | S-4[html] |
| US LEC of Alabama LLC | 1307319 | | S-4[html] |
| US LEC of Florida LLC | 1307324 | | S-4[html] |
| US LEC of Georgia LLC | 1307325 | | S-4[html] |
| US LEC of Maryland LLC | 1307327 | | S-4[html] |
| US LEC of North Carolina LLC | 1307328 | | S-4[html] |
| US LEC of Pennsylvania LLC | 1307329 | | S-4[html] |
| US LEC of South Carolina LLC | 1307330 | | S-4[html] |
| US LEC of Tennessee LLC | 1307331 | | S-4[html] |
| US LEC of Virginia L.L.C. | 1307335 | | S-4[html] |