Professional Service Industries Holding, Inc.(PSI); Orthodontic Centers of America, Inc.(NYSE: OCA); William Marsh Rice University; University of Texas at El Paso; Alvin Independent School District; Galena Park Independent School District; Lancaster Hotels, Inc.; Breco Research Ltd.; Century Rehabilitation, Inc.; DeWolff, Boberg & Associates, Inc.; UK Sailmakers, Inc.; Animal Avian Hospital; DGI, Inc.; Eyeglass Express, Inc.; Houston Medical and Dental Center; NATEX Corporation; Q.T.S., L.L.C.; Saber Construction, Inc.; Surety Systems, Inc.; Sugar Creek Children's House, Inc.; World Trade Coordination Services, Inc.; The Womble Company; MBC-Direct.