May 03, 2011 7:45am EDT Quanta Services Announces First Quarter 2011 Earnings Release and Conference Call Schedule
Apr 26, 2011 4:51pm EDT Quanta Services Announces First Quarter 2011 Earnings Release and Conference Call Schedule
Mar 24, 2011 7:53pm EDT John R. Colson to Assume Role as Executive Chairman in May 2011; James F. O'Neil III to Become CEO
Feb 22, 2011 7:45am EST Quanta Services Announces Fourth Quarter & Full Year 2010 Earnings Release and Conference Call Schedule
Feb 15, 2011 6:00am EST Quanta Services to Present at the Jeffries 2011 Global Clean Technology Conference
Feb 14, 2011 1:01pm EST Quanta Services Announces Fourth Quarter & Full Year 2010 Earnings Release and Conference Call Schedule
Jan 24, 2011 2:26pm EST Puget Sound Energy Awards a Quanta Services Subsidiary Five-year Contract for Natural Gas System Construction and Maintenance