AFLAC, Inc. AGCO Corp. AK Steel Holding AVX Corp. Abaxis, Inc. Affiliated Managers Group, Inc. AirMedia Group, Inc. Airgas, Inc. Allegheny Technologies, Inc. Amedisys, Inc. American Campus Communities Ametek, Inc. Amkor Technology, Inc. Anixter International, Inc. Applied Industrial Technologies, Inc. Arbitron, Inc. Arcelor Mittal Arthur J. Gallagher & Co. Asbury Automotive Group, Inc. Ashland, Inc. Atlas Air Worldwide Holdings, Inc. Autoliv, Inc. B&G Foods Benchmark Electronics, Inc. Berry Petroleum Co. Cl A Biogen Idec, Inc. Boston Properties, Inc. Bristol-Myers Squibb Co. Broadcom Corp Buffalo Wild Wings, Inc. C.H. Robinson Worldwide, Inc. CEVA, Inc. CIT Group, Inc. CSG Systems International CTS Corp. Cabot Corp. Calamos Asset Management, Inc. Callaway Golf Co. Canadian National Railway Co Capella Education Company Carlisle Cos. Carpenter Technology Corp. Celanese Corp. Series A Centene Corp. Century Aluminum Co Chicago Bridge & Iron Coach, Inc. Compass Minerals International, Inc. Convergys Corp. Cummins, Inc. Cynosure, Inc. Class A DST Systems Inc., DeVry, Inc. Dorman Products, Inc. New DreamWorks Animation SKG, Inc. E.I. DuPont de Nemours & Co. EPIQ Systems, Inc. Earthlink, Inc. Ecolab, Inc. Encore Capital Group, Inc. Entegris, Inc. Enterprise Products Partners L.P. Equinix, Inc. F5 Networks, Inc. First Industrial Realty Trust, Inc. First Marblehead Corp. FirstEnergy Corp. Fiserv, Inc. Ford Motor Co. FormFactor, Inc. Foster Group 1 Automotive, Inc. Gulfmark Offshore, Inc. Hecla Mining Co. Hospira, Inc. IBERIABANK Corp IXYS Corp Iconix Brand Group, Inc. Ii-Vi, Inc. Illumina, Inc. Imation Corp. Insulet Corporation Jakks Pacific, Inc. Johnson Controls, Inc. Jones Lang LaSalle, Inc. KKR & Co. L.P. Kansas City Southern Kimberly-Clark Corp. Kona Grill, Inc. LCA-Vision, Inc. Lennox International, Inc. Lexmark International, Inc. Life Technologies Corporation McGraw Hill Financial McKesson Corp. Mercury Computer Systems, Inc. Meredith Corp. Molex, Inc. Molina Healthcare, Inc. Mylan, Inc. NETGEAR, Inc. Nabors Industries Ltd. National-Oilwell, Inc. OSI Systems, Inc. Oceaneering International, Inc. Office Depot, Inc. Paccar, Inc. Panera Bread Co Par Technology Corp. Pioneer Natural Resources Co. PrivateBancorp, Inc. Questar Corp. RF Micro Devices, Inc. Radisys Corp Regions Financial Corp. Rockwood Holdings Royal Caribbean Cruises Ltd. STMicroelectronics N.V. ADS Scientific Games Corp Sherwin-Williams Co. Signature Bank Silicon Image, Inc. Sonic Automotive Inc. Cl A Standard Pacific Corp. Super Micro Computer, Inc. Supertex, Inc. Symmetricom, Inc. Taubman Centers, Inc. Techne Corp Teleflex, Inc. Tellabs, Inc. Tennant Co. Trustmark Corp US ECOLOGY Ultimate Software Group, Inc. Under Armour Class A United States Steel Corp. Valero Energy Corp. Vasco Data Security Internatio Vitran Corporation, Inc. Waddell & Reed Financial, Inc. Walter Energy, Inc. Waters Corp. Websense, Inc. Western Union Wisconsin Energy Corp. World Acceptance Corp Wyndham Worldwide eHealth, Inc.