| Form: | S-4 |
| CIK: | 0001372041 | | Company Name: | PAETEC Holding Corp. | | File Number: | 333-174546 |
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| CIK: | 0000742550 | | Company Name: | XETA TECHNOLOGIES INC | | File Number: | 333-174546-49 |
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| CIK: | 0001522321 | | Company Name: | Pyramid Communication Services, Inc. | | File Number: | 333-174546-48 |
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| CIK: | 0001421863 | | Company Name: | PAETEC Integrated Solutions Group, Inc. | | File Number: | 333-174546-46 |
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| CIK: | 0001421919 | | Company Name: | PAETEC iTel, L.L.C. | | File Number: | 333-174546-45 |
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| CIK: | 0001421862 | | Company Name: | PaeTec Software Corp. | | File Number: | 333-174546-44 |
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| CIK: | 0001307319 | | Company Name: | US LEC of Alabama LLC | | File Number: | 333-174546-42 |
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| CIK: | 0001307324 | | Company Name: | US LEC of Florida LLC | | File Number: | 333-174546-41 |
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| CIK: | 0001307327 | | Company Name: | US LEC of Maryland LLC | | File Number: | 333-174546-40 |
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| CIK: | 0001307328 | | Company Name: | US LEC of North Carolina LLC | | File Number: | 333-174546-39 |
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| CIK: | 0001307330 | | Company Name: | US LEC of South Carolina LLC | | File Number: | 333-174546-38 |
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| CIK: | 0001307331 | | Company Name: | US LEC of Tennessee LLC | | File Number: | 333-174546-37 |
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| CIK: | 0001421860 | | Company Name: | PaeTec Communications, Inc. | | File Number: | 333-174546-36 |
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| CIK: | 0001421859 | | Company Name: | PaeTec Communications of Virginia, Inc. | | File Number: | 333-174546-35 |
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| CIK: | 0001307321 | | Company Name: | US LEC Communications LLC | | File Number: | 333-174546-34 |
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| CIK: | 0001307325 | | Company Name: | US LEC of Georgia LLC | | File Number: | 333-174546-33 |
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| CIK: | 0001307329 | | Company Name: | US LEC of Pennsylvania LLC | | File Number: | 333-174546-32 |
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| CIK: | 0001307335 | | Company Name: | US LEC of Virginia L.L.C. | | File Number: | 333-174546-31 |
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| CIK: | 0001472232 | | Company Name: | Allworx Corp. | | File Number: | 333-174546-30 |
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| CIK: | 0001472231 | | Company Name: | Technology Resource Solutions, Inc. | | File Number: | 333-174546-28 |
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| CIK: | 0000919943 | | Company Name: | McLeodUSA LLC | | File Number: | 333-174546-27 |
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| CIK: | 0001388935 | | Company Name: | McLeodUSA Information Services LLC | | File Number: | 333-174546-26 |
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| CIK: | 0001388938 | | Company Name: | McLeodUSA Telecommunications Services, L.L.C. | | File Number: | 333-174546-25 |
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| CIK: | 0001388937 | | Company Name: | McLeodUSA Purchasing, L.L.C. | | File Number: | 333-174546-24 |
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| CIK: | 0001492547 | | Company Name: | U.S. Energy Partners LLC | | File Number: | 333-174546-23 |
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| CIK: | 0001492537 | | Company Name: | PAETEC Realty LLC | | File Number: | 333-174546-22 |
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| CIK: | 0001089173 | | Company Name: | CAVALIER TELEPHONE CORP | | File Number: | 333-174546-20 |
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| CIK: | 0001521718 | | Company Name: | CavTel Holdings, LLC | | File Number: | 333-174546-19 |
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| CIK: | 0001521577 | | Company Name: | Cavalier Telephone, L.L.C. | | File Number: | 333-174546-18 |
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| CIK: | 0001521578 | | Company Name: | Cavalier Telephone Mid-Atlantic, L.L.C. | | File Number: | 333-174546-17 |
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| CIK: | 0001521431 | | Company Name: | SM Holdings, LLC | | File Number: | 333-174546-16 |
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| CIK: | 0001521581 | | Company Name: | Cavalier IP TV, LLC | | File Number: | 333-174546-15 |
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| CIK: | 0001293172 | | Company Name: | Elantic Networks Inc | | File Number: | 333-174546-14 |
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| CIK: | 0001521429 | | Company Name: | Intellifiber Networks, Inc. | | File Number: | 333-174546-13 |
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| CIK: | 0001521579 | | Company Name: | Cavalier Services, LLC | | File Number: | 333-174546-12 |
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| CIK: | 0000948545 | | Company Name: | TALK AMERICA HOLDINGS INC | | File Number: | 333-174546-11 |
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| CIK: | 0001521425 | | Company Name: | Talk America Inc. | | File Number: | 333-174546-10 |
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| CIK: | 0001521627 | | Company Name: | TC Services Holding Co., Inc. | | File Number: | 333-174546-09 |
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| CIK: | 0001234293 | | Company Name: | LDMI TELECOMMUNICATIONS INC | | File Number: | 333-174546-08 |
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| CIK: | 0001521430 | | Company Name: | Network Telephone Corp | | File Number: | 333-174546-06 |
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| CIK: | 0001521426 | | Company Name: | Talk America of Virginia, Inc. | | File Number: | 333-174546-04 |
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| CIK: | 0001048764 | | Company Name: | ACCESS ONE COMMUNICATIONS CORP | | File Number: | 333-174546-03 |
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| CIK: | 0001521623 | | Company Name: | Other Phone Company, Inc. | | File Number: | 333-174546-01 |
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