HOUSTON, Oct. 30 /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) announced today that it will release 2009 third quarter results on Wednesday, November 4, 2009, before the market opens. In conjunction with the release, Quanta has scheduled a conference call which will be broadcast live over the Internet on Wednesday, November 4, 2009, at 9:30 a.m. Eastern time.

    What:      Quanta Services 2009 Third Quarter Earnings Conference Call
    When:      Wednesday, November 4, 2009 - 9:30 a.m. Eastern time
    How:       Live via phone - By dialing (480) 629-9644 and asking for the
               Quanta Services call at least 10 minutes prior to the start
               time.
               Live over the Internet - by logging on to the Web at the
               following address:
               http://quantaservices.com

For those who cannot listen to the live call, a telephonic replay will be available through November 11, 2009, and may be accessed by calling (303) 590-3030 and using the pass code 4178458#. Also, an archive of the webcast will be available shortly after the call on the company's Web site at www.quantaservices.com . For more information, please contact Karen Roan at DRG&E at 713-529-6600 or email kcroan@drg-e.com .

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 designing, installing, repairing and maintaining network infrastructure nationwide. Additionally, Quanta provides dark fiber construction and leasing in select markets and offers related design, procurement, construction and maintenance services. With operations throughout North America, Quanta has the manpower, resources and expertise to complete projects that are local, regional, national or international in scope.

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

SOURCE Quanta Services, Inc.