Abbott Laboratories

Advocate Health Care Network

Alliant/Mesirow Insurance Services

Allston Holdings, LLC

Almendra Americas, LLC

American Board of Medical Specialties

American Planning Association

Ann & Robert H. Lurie Children's Hospital

Anna Rappaport Consulting

Arthur J. Gallagher & Co.

Attucks Asset Management LLC

BAI

Bank of America Private Bank

Barry Callebaut

Beam Suntory

Big Red Rooster Flow

BMO Family Office

BMO Harris Bank

Boeing Company - Retired

Brownson, Rehmus & Foxworth, Inc.

CastleArk Management LLC

Cerity Partners

Chapman and Cutler LLP

Chartwell Insurance Services

Chicago Symphony Orchestra

CIBC Bank US

City of Chicago

Cleveland Avenue

Coeur Mining, Inc.

CTC myCFO

CTS Impact, Inc.

Cushman & Wakefield

Deloitte Tax LLP

DePaul University

Diversified Financial Management

Diversified Search

D'Orazio Capital Partners, LLC

Dresner Partners

Duff & Phelps, LLC

DWS - Deutsche Asset Management

Ecotrust Canada

Edelman

Envestnet

Ephraim Advisory LLC

Ernst & Young LLP

Essendant Inc.

Fairpointe capital /1837 partners

Fidelity Management and Reseach

Fifth Third Bank / MB Financial Bank

First Bank of Chicago

First Women's Bank

FoxInspires LLC

Fresenius Kabi USA

GD Group dba ggCFO

Goldman Sachs

Goldman, Sachs & Co.

GoodSmith Gregg & Unruh LLP

Grant Thornton LLP

HALO Branded Solutions

Harley Davidson Financial Services

Heartland Business Systems

Howard & Howard

Ingredion Incorporated

Integrated Project Management Company, Inc.

ISAC

JPMorgan

Jupiter Realty

Kaizen Inc.

Kettera Strategies

KI Industries, Inc.

Kirkland & Ellis, LLP

KPMG LLP

Latham and Watkins

LEARN Charter School Network

Levenfeld & Pearlstein, LLC

Levin Schreder & Carey Ltd.

Lincoln International

Lincoln International

Lincoln Park Zoo

Littelfuse Inc.

Longford Capital Management

Loop Capital Markets

Lowery Asset Consulting LLC

Marillac St. Vincent Family Services

Marquette Associates

Marsh

McDermott Will & Emery

MedTorque

Mesirow Financial

Michael Silver & Company CPAs

Mosaic Fi

Mueller & Co. LLP

Navigant Consulting, Inc.

Neuberger Berman

NFP Insurance Solutions

Northern Trust Asset Management

Northwestern Medicine

Northwestern University

OakBrook Investments, LLC

Obama Foundation

Onward Capital Partners LLC

Opportunity International Inc.

Options Clearning Corporation

OSI Group LLC

Ounce of Prevention Fund

Paris Presents, Inc.

Partners In Leadership

Pavilion Advisory Group

Paylocity

Pelham S2K Managers LLC

Peritius Consulting

Perspectives Charter Schools

Plante Moran

Pluscios Management LLC

PNC

PricewaterhouseCoopers LLP

R R Donnelley

R&M Consulting LLC

Ravinia Festival

Reologie LLC

Reva and David Logan Foundation

Robertson Lowstuter

Roosevelt University

Rotary International

RR Donnelley & Sons Company

RSM US LLP

Rush University Medical Center

Saint Mary's College of California

Sasser Family Holdings, Inc.

Sassetti LLC

Satter Medical Technology Partners

SC Johnson and Son, Inc.

Shorehill Capital

Skadden, Arps, Slate, Meagher & Flom LLP

SLH Advisors

Snap-on

Sonia Shankman Orthogenic School & Hyde Park Day School

Spencer Stuart

Stacia Ryan

Stifel Bank & Trust

The Art Institute of Chicago

The Bellows Law Group, P.C.

The HQ Companies

The Jacobson Group

The Joffrey Ballet

The Lock Up

The Peakstone Group

The Rankin Group LLC

True Value Company

TTX Company

U.S. Bank

U.S. Soccer Federation

U.S. Trust, Bank of America Private Wealth Management

United Ground Express

University of Texas System Administration

Vedder Price P.C.

W.W. Grainger, Inc.

Walgreens

Wells Fargo

William Blair & Company

Willis Towers Watson

Winston & Strawn, LLP

Wintrust

Women's Business Development Center

YWCA Metropolitan Chicago