Quanta Services Announces Third Quarter 2010 Earnings Release and Conference Call Schedule

HOUSTON, Oct. 27 /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) announced today that it will release 2010 third quarter results on Wednesday, Nov. 3, 2010, 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, Nov. 3, 2010, at 9:30 a.m. Eastern time.

What: Quanta Services 2010 Third Quarter Earnings Conference Call

When: Wednesday, Nov. 3, 2010 – 9:30 a.m. Eastern time

How:  Live via phone – By dialing (480) 629-9818 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 website at the following
      address:

      www.quantaservices.com

For those who cannot listen to the live call, a telephonic replay will be available through Nov. 10, 2010, and may be accessed by calling (303) 590-3030 and using the pass code 4380675#. 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 Kip Rupp at DRG&L at 404-880-9276 or email krupp@drg-l.com.

Quanta Services is a leading specialized contracting services company, delivering infrastructure solutions for the electric power, natural gas and pipeline and telecommunications 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 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-l.com

          Reba Reid             DRG&L

          Quanta Services, Inc. 404-880-9276

          713-629-7600

SOURCE Quanta Services, Inc.