Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We hereby consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement on Form S-4 of our report dated February 26, 2007 relating to the financial statements, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in Quanta Services, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2006. We also consent to the references to us under the heading “Experts” in such Registration Statement.

 

/s/ PricewaterhouseCoopers LLP             
PRICEWATERHOUSECOOPERS LLP

Houston, Texas
May 25, 2007