Quanta Services to Present at the FBR 2007 Capital Markets Investor Conference

HOUSTON, Nov. 20 /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) today announced that the company will participate in Friedman, Billings, Ramsey's "FBR 2007 Capital Markets Investor Conference" to be held November 27 - 28, 2007 at The Grand Hyatt New York Hotel in New York City.

John R. Colson, chief executive officer and James H. Haddox, chief financial officer, are scheduled for a company presentation from 9:15 am to 9:45 a.m. eastern standard time on November 27, 2007. Quanta's presentation will be broadcast live over the Internet. The live webcast link will be available on the company's Web site at http://www.quantaservices.com and will also be archived for replay on the Web site.

Quanta Services is a leading specialized contracting services company, delivering infrastructure network solutions for the electric power, natural gas, telecommunications and cable television industries. The company's comprehensive services include engineering, designing, installing, repairing and maintaining network infrastructure nationwide. With operations in all 50 states and Canada, Quanta has the manpower, resources and expertise to complete projects that are local, regional, national or international in scope.

     Contacts:  James Haddox, CFO            Ken Dennard / ksdennard@drg-e.com
                Reba Reid                    Kip Rupp / krupp@drg-e.com
                Quanta Services, Inc.        DRG&E
                713-629-7600                 713-529-6600

SOURCE Quanta Services, Inc.

Released November 20, 2007