| Form: | S-4 |
| CIK: | 0001372041 | | Company Name: | PAETEC Holding Corp. | | File Number: | 333-162077 |
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| CIK: | 0001388933 | | Company Name: | McLeodUSA Holdings, Inc. | | File Number: | 333-162077-27 |
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| CIK: | 0001388935 | | Company Name: | McLeodUSA Information Services, Inc. | | File Number: | 333-162077-26 |
|
| CIK: | 0001388936 | | Company Name: | McLeodUSA Network Services, Inc. | | File Number: | 333-162077-25 |
|
| CIK: | 0001388937 | | Company Name: | McLeodUSA Purchasing, L.L.C. | | File Number: | 333-162077-24 |
|
| CIK: | 0001388938 | | Company Name: | McLeodUSA Telecommunications Services, Inc. | | File Number: | 333-162077-23 |
|
| CIK: | 0000919943 | | Company Name: | McLeodUSA Inc | | File Number: | 333-162077-22 |
|
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| CIK: | 0001421863 | | Company Name: | PAETEC Integrated Solutions Group, Inc. | | File Number: | 333-162077-20 |
|
| CIK: | 0001421919 | | Company Name: | PAETEC iTel, L.L.C. | | File Number: | 333-162077-19 |
|
| CIK: | 0001421862 | | Company Name: | PaeTec Software Corp. | | File Number: | 333-162077-18 |
|
| CIK: | 0001421860 | | Company Name: | PaeTec Communications, Inc. | | File Number: | 333-162077-17 |
|
| CIK: | 0001307319 | | Company Name: | US LEC of Alabama LLC | | File Number: | 333-162077-16 |
|
| CIK: | 0001307324 | | Company Name: | US LEC of Florida LLC | | File Number: | 333-162077-15 |
|
| CIK: | 0001307325 | | Company Name: | US LEC of Georgia LLC | | File Number: | 333-162077-14 |
|
| CIK: | 0001307327 | | Company Name: | US LEC of Maryland LLC | | File Number: | 333-162077-13 |
|
| CIK: | 0001421861 | | Company Name: | US LEC of New York Inc. | | File Number: | 333-162077-12 |
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| CIK: | 0001307328 | | Company Name: | US LEC of North Carolina Inc. | | File Number: | 333-162077-11 |
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| CIK: | 0001307329 | | Company Name: | US LEC of Pennsylvania LLC | | File Number: | 333-162077-10 |
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| CIK: | 0001307330 | | Company Name: | US LEC of South Carolina LLC | | File Number: | 333-162077-09 |
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| CIK: | 0001307331 | | Company Name: | US LEC of Tennessee Inc. | | File Number: | 333-162077-08 |
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| CIK: | 0001307335 | | Company Name: | US LEC of Virginia L.L.C. | | File Number: | 333-162077-07 |
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| CIK: | 0001472232 | | Company Name: | Allworx Corp. | | File Number: | 333-162077-06 |
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| CIK: | 0001472231 | | Company Name: | Technology Resource Solutions, Inc. | | File Number: | 333-162077-05 |
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| CIK: | 0001421859 | | Company Name: | PaeTec Communications of Virginia, Inc. | | File Number: | 333-162077-03 |
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| CIK: | 0001307321 | | Company Name: | US LEC Communications Inc. | | File Number: | 333-162077-01 |
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