KMART CORPORATION

NORTHWESTERN UNIVERSITY

UNIVERSITY OF ILLINOIS

TABLEAU SOFTWARE, INC.

KRAFT HEINZ FOODS COMPANY

N/A

UNIVERSITY OF ILLINOIS AT CHICAGO

MORNINGSTAR, INC.

ZEBRA TECHNOLOGIES CORPORATION

NALCO COMPANY LLC

DENTAL PROFESSIONALS OF ILLINOIS, PC

SOUTHERN ILLINOIS HOSPITAL SERVICES

ILLINOIS TOOL WORKS INC.

CHICAGO BOARD OPTIONS EXCHANGE

UCHICAGO ARGONNE, LLC

ARCHER DANIELS MIDLAND COMPANY

UL LLC

AKORN, INC.

N/A

PRO IT, INC.

FLEXERA SOFTWARE LLC

MEDLINE INDUSTRIES, INC.

HOME HEALTH OF ILLINOIS, LLC

GREAT LAKES CARING

THE NORTHERN TRUST COMPANY

RUSH UNIVERSITY MEDICAL CENTER

THE UNIVERSITY OF CHICAGO

ALLSTATE INSURANCE COMPANY

N/A

NORTHWESTERN MEMORIAL HEALTHCARE

D2 DENTAL OF ILLINOIS, P.C.

DESTINY DENTAL

NORTHERN ILLINOIS UNIVERSITY

SAFE AUTO INSURANCE COMPANY

CHRISTIAN MEDIA CORPORATION

CMC, CMC INTERNATIONAL, CMCI, AND CMCI GROUP

ILLINOIS STATE UNIVERSITY

OWENS-ILLINOIS, INC.

HEIDRICK & STRUGGLES, INC.

TRONC, INC.

ILLINOIS INSTITUTE OF TECHNOLOGY

IIT

SHURE INCORPORATED

RCR TECHNOLOGY CORPORATION

N/A

UNIVERSITY OF CHICAGO MEDICAL CENTER

COLORADO SCHOOL OF MINES

UNIVERSITY OF ILLINOIS AT SPRINGFIELD