Plano Progress By ksheck Oct 1, 2002 FLEXTRONICS ESTABLISHED FLEXTRONICS ESTABLISHED ITS 411,000-SQUARE-FOOT CAMPUS. Oct 15, 2003 MCAFEE MCAFEE OPENED ITS 170,000-SQUARE-FOOT OFFICE ON 15.6 ACRES WITH 750 EMPLOYEES. Jun 1, 2011 ENCANA OIL & GAS ENCANA OIL & GAS (U.S.A.) CONSTRUCTED ITS 320,000-SQUAREFOOT HEADQUARTERS AND EMPLOYED 650.