What is the main purpose of this Form 8-K/A filing?

This filing is an amendment to a previous Form 8-K. Its primary purpose is to formally provide the audited and unaudited financial statements of InfraSource Services, Inc., and pro forma financial information, which are required by the SEC when a company completes a significant acquisition.

When did the acquisition of InfraSource Services, Inc. officially close?

While this amendment was filed on November 16, 2007, the original 8-K reporting the completion of the acquisition was filed on September 6, 2007. The event date associated with the acquisition is listed as August 30, 2007.

What kind of financial information about InfraSource is provided?

The filing includes audited consolidated financial statements for InfraSource for the years ending December 31, 2006, 2005, and 2004. It also includes unaudited consolidated financial statements for the periods ending June 30, 2007, and the corresponding prior year periods.

What does 'pro forma financial information' mean in this context?

Pro forma financial information shows how the combined companies (Quanta Services and InfraSource) would have looked financially if the acquisition had occurred at an earlier date. It helps investors understand the potential impact of the acquisition on Quanta's financial statements.

PWR 8-K SEC Disclosure — Nov 16, 2007

Summary

This Form 8-K/A filing by Quanta Services, Inc. (PWR) serves as an amendment to a previous 8-K filed on September 6, 2007, regarding the acquisition of InfraSource Services, Inc. The primary purpose of this amendment is to formally include the necessary financial statements and pro forma information related to the InfraSource acquisition, as required by SEC regulations. Investors should note that this filing is not announcing new events but rather completing the disclosure for a previously announced significant transaction. The included financial statements provide detailed historical performance data for InfraSource, both audited and unaudited, up to mid-2007. The pro forma financial statements offer a consolidated view, illustrating the expected combined financial position and results of operations of Quanta and InfraSource post-acquisition, allowing for a better assessment of the deal's potential impact on Quanta's financial standing.

Key Highlights

1Amendment to a previous Form 8-K filed on September 6, 2007, concerning the acquisition of InfraSource Services, Inc.
2Purpose of amendment is to include required financial statements and pro forma information for the acquired business (InfraSource).
3Includes audited consolidated financial statements of InfraSource as of December 31, 2006, and for the three years then ended.
4Includes unaudited consolidated financial statements of InfraSource as of June 30, 2007, and for the six-month periods ended June 30, 2007 and 2006.
5Provides unaudited pro forma condensed consolidated financial statements reflecting the combined entity of Quanta and InfraSource.
6Pro forma statements cover the year ended December 31, 2006, and the six-month period ended June 30, 2007.
7Exhibit 23.1 contains the consent of PricewaterhouseCoopers LLP, likely related to the audited InfraSource financials.

QUANTA SERVICES, INC. 8-K/A Report, Exhibit Filing (Nov 16, 2007)

Summary

Key Highlights

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