CANDOR GROUP, INC.

CORPTAX, INC.

N/A

ROCKFORD HEALTH PHYSICIANS

POWER SOLUTIONS INTERNATIONAL

PLANET PHARMA LLC

PHYSICIAN SERVICES CORPORATION OF SOUTHERN ILLINOIS, INC.

SSM HEALTH MEDICAL GROUP

SYSTEGRATION, INC.

CDW TECHNOLOGIES, INC.

RADIX TRADING, LLC

ACCESS TECHNOLOGY SOLUTIONS INC

N/A

COMPWARE TECHNOLOGIES, INC.

WEST AGRO, INC.

DELAVAL MANUFACTURING

EJM ENGINEERING, INC.

N/A

NORC

TRINUC LLC

N/A

VIDEOJET TECHNOLOGIES INC.

SILLIKER INC.

N/A

JUN ZHOU INSURANCE AGENCY, INC.

ROCKET TRAVEL, INC.

ROCKETMILES

PROFESSIONAL SERVICE INDUSTRIES, INC.

NORTH FORK HOLDINGS, INC.

DBA THE SHELBY GROUP

EASTERN ILLINOIS UNIVERSITY

N/A

DSC LOGISTICS, INC.

PNC CAPITAL LLC

PROCURETECHSTAFF

INTELLISYS TECHNOLOGY, LLC

MCDONALD'S CORPORATION

WININFOSYS, INC.

GUGGENHEIM PARTNERS INVESTMENT MANAGEMENT, LLC

ESSANI INTERNATIONAL LLC

ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO

N/A

EQUITY INTERNATIONAL MANAGEMENT, LLC

N/A

VINAKOM COMMUNICATIONS INC.

SUZLON WIND ENERGY CORPORATION

IL CREATION OF MARYLAND, INC.

IL CREATIONS

ENODO SCORE INC

INTERNATIONAL BANK OF CHICAGO

CYBERTECH SYSTEMS AND SOFTWARE, INC.

N/A

TEMPUS HEALTH, INC.

N/A

HUB GROUP INC.

N/A

ZACKS INVESTMENT MANAGEMENT, INC.

N/A