Quanta Services to Present at the Credit Suisse 2009 Engineering & Construction Services Conference

HOUSTON, May 28  /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) today announced that the company will participate in the Credit Suisse 2009 Engineering & Construction Services Conference to be held on June 4, 2009 at 11 Madison Avenue in New York City.

Jim O'Neil, president and chief operating officer, and James Haddox, chief financial officer, will present at the Credit Suisse 2009 Engineering & Construction Services Conference on Thursday, June 4, 2009 starting at 1:55 p.m. eastern standard time. Quanta's presentation will be broadcast live over the Internet. Live webcast links 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 designing, installing, repairing and maintaining network infrastructure nationwide. Additionally, Quanta provides point-to-point fiber optic telecommunications infrastructure 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          Ken Dennard / 
            Reba Reid                  Kip Rupp / 
            Quanta Services, Inc.      DRG&E
            713-629-7600               713-529-6600


DATASOURCE: Quanta Services, Inc.



CONTACT:  James Haddox, CFO, or Reba Reid, both of Quanta Services, Inc.,

[phone]; or Ken Dennard, , or Kip Rupp,

, both of DRG&E, [phone], for Quanta Services, Inc.



Web Site:  http://www.quantaservices.com/ 

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