• 1code
• 3F Commerce
• 50 South Capital
• Abbott Laboratories
• AbbVie
• ABG
• ABN AMRO Clearing
• Accenture
• AgPerspective
• AIG
• Alight Solutions
• Allstate Insurance Company
• Alvarez & Marsal
• Alverez & Marsal
• Andersen Tax
• Anixter
• Antares Capital
• Aon
• Apple Vacations
• Applied Value
• Artex Risk Solutions
• Arthur J. Gallagher & Co.
• Avant
• Backstop Solutions Group
• Bain & Company
• Baker Tilly Virchow Krause
• Balasa Dinverno Foltz
• Bank of America
• Bank of America / Merrill Lynch
• Bank of America Merrill Lynch
• Barnes & Noble
• Baxter
• Baxter Healthcare
• Baxter International
• Bayer
• BDO USA
• Beam Suntory
• Bloomberg
• Blue Cross and Blue Shield
• BMM Transport
• BMO Capital Markets
• BMO Harris Bank
• Boeing
• BP
• Braviant Holdings
• Brooksource
• Brunswick Corporation
• Busey Bank
• Businessolver
• Capital One
• Caterpillar
• CDW
• Charles River Associates
• Charles Schwab
• Chicago Trading Company
• Cigital
• Cintas
• Citibank
• Citigroup
• CME Group
• CNA Financial
• CNA Insurance
• CNA Insurance Companies
• CoBank
• ConAgra
• Connect Search
• Cornerstone National Bank
• Credit Suisse
• Crowe Horwath
• Deloitte
• Destra Capital
• Discover Financial Services
• Duff & Phelps
• eClick Lending
• Ecolab
• Edward Jones
• Enfusion
• Enterprise Systems
• Entrepreneur
• Epic Systems
• Equity Office Properties
• Ernst & Young
• Evercore Partners
• Excellence Performance Coaching
• EY
• FactSet
• Fidelity Accounting & Tax Services
• FIL Consulting
• Financial Services Industry
• Financial Technology Partners
• First Derivatives
• First Midwest Bank
• First Trust Portfolios
• FIS
• Fiserv
• Fisher Investments
• FNS
• Foresters Financial Services
• Fox News Channel
• Freddie Mac
• FTI Consulting
• Gallagher Bassett
• Galt & Company
• GCM Grosvenor
• General Electric
• General Electric Aviation
• General Electric Healthcare
• General Mills
• Georgia Institute of Technology
• GeoWealth Management
• GetRideUp
• Glencore
• GLP
• Goldman Sachs
• Google
• Grainger
• Grant Thornton
• Greenhill & Co.
• Grosvenor Capital Management
• Guggenheim Partners
• Hallmark Industries
• HBR Consulting
• HealthScape Advisors
• Heitman
• Hennwin Manufacturing
• HERE
• HighTower Advisors
• Hospira
• Houlihan Lokeu
• Houlihan Lokey
• HPM Partners
• HUB International
• Huron Consulting Group
• IBM
• Institutional Capital
• IT Rotational
• Jackson National Asset Management
• Jefferies
• JLL
• Jones Lang LaSalle (JLL)
• JP Morgan Chase
• JPMorgan Chase
• K. Hovnanian Homes
• Keefe, Bruyette & Woods
• Kellogg
• Kenway Consulting
• KPI
• KPMG
• Kraft Foods
• Lazard Freres & Co.
• Lincoln International
• Livingstone
• Madison Capital Funding
• Magnetar Capital
• MaloneBailey
• Maranon Capital
• Marcus & Millichap
• Mariner Wealth Advisors
• Market Logic Software
• MassMutual Finanicial Group
• MasterCard
• MB Financial Bank
• McGladrey
• McKinsey & Company
• McMaster-Carr
• Medline
• Medline Industries
• Mental Illness Awareness Tour
• Merrill Lynch
• MFS Investment Management
• Microsoft
• Miller Cooper
• Milwaukee Tool
• Moelis & Company
• Molex
• Morgan Stanley
• Morningstar
• Morton Salt
• Motorola Mobility
• Motorola Solutions
• Mu Sigma
• Nanhua USA
• National Futures Association
• Navistar
• New York Business Consultant
• NH Investment & Securities
• Nielsen
• NISA Investment Advisors
• NISA Investments
• Nordstrom Headquarters
• Northeastern University
• Northern Trust Corporation
• NPV Advisors
• Ocean Tomo
• Opportune
• OptumRx
• Pangea Properties
• Pasquesi Sheppard
• PEAK6 Investments
• PepsiCo
• Phillips Edison & Company
• Piper Jaffray
• PMA Financial Network
• PNC Bank
• PNC Financial Services
• Price Futures
• PricewaterhouseCoopers (PwC)
• Proterra Investment Partners
• Protiviti
• Provident Funding Associates
• Prudential Capital Group
• Quantitative Risk Management
• Quicket Solutions
• R1
• Ralph Lauren
• Raymond James
• Raymond James & Associates
• Riot Games
• Roach Ag Marketing
• Robert W. Baird
• Robert W. Baird & Co.
• Rodl Langford De Kock
• RSM
• Ryerson
• Sagent Advisors
• Sasser Family Holdings
• Sears Holdings Corporation
• Self-employed
• Sharko|Weisenbeck
• Shell
• Sikorsky Aircraft
• Staples
• State Farm Insurance
• Stax
• Stout Risius Ross
• Stout Risuis Ross
• Subway Development Corporation of Chicagoland
• Tastytrade
• Tazewell Machine Works
• Teach for America
• TEOCO
• The Claro Group
• The Hartford
• The Kenrich Group
• The Kraft Heinz Company
• The PrivateBank
• Toyota Motor Sales
• TruQua Enterprises
• Tyroni's Italian Cafe
• U.S. Bank
• Unilever
• United Airlines
• University of Illinois at Urbana-Champaign
• UpRight Law
• Veralon
• W.W. Grainger
• Walgreens
• Wave G
• Wells Fargo
• West Monroe Partners
• William Blair & Company
• Windy City ThunderBolts
• Wintrust Financial
• Wintrust Financial Corporation
• Wintrust Mortgage
• Workday
• ZS Associates