Marconi Consulting,  Mary Kay, Metasolv, MCI,  MNBA, NCH, Niemans Marcus, Nokia, Nokia Siemens,  Nortel, Northrop Grumman, Omni Hotels, Oracle, Z Omega, Parkland Hospital, Payless, Peoplesoft, Pepisco, Perot Systems, Pier 1 Imports, Radiant, Radio Shack, Raytheon, RealPage,  Retalix, Quest Diagnostics,  Sabre, Sage, Sally Beauty, Samsung, SAP, SBC, 7-Eleven, Siebel, Siemens, SITA,  Skychef, Software Spectrum, SONUS, Source, Sprint, Sun Microsystems, Sungard, Technisource,  Tekronix, Televista, Texas Health, Texas Instruments, Toyota, TXU, Universal Insurance, University Texas at Arlington, Verizon Business, VHA, Vought, Wells Fargo, XO Communication.