- Allegiance, LLC
- ArvinMeritor
- Automobile Club of Michigan
- Bank of America
- Citi
- City of Detroit, Michigan
- City of Detroit Building Authority
- City of Detroit Downtown Development Authority
- City of Detroit Local Development Finance Authority
- City of Detroit Tax Increment Financing Authority
- City of Flint, Michigan
- City of Highland Park, Michigan
- City of Pontiac, Michigan - City Council
- Comerica
- Connecticut Health and Educational Facilities Authority
- DAPCEP
- Detroit Brownfield Redevelopment Authority
- Detroit Public Schools
- Detroit Economic Growth Corporation
- Detroit Edison
- Detroit Medical Center
- Detroit Memorial Park Association, Inc.
- Detroit Transportation Corporation
- District of Columbia
- Dow Corning
- DTE Energy
- Eastern Market Corporation
- Economic Development Corporation of the City of Detroit
- Educational Testing Services
- Ernst & Young, LLP
- Fifth Third Securities, Inc.
- Goldman Sachs & Co.
- Great Lakes Assemblies, LLC
- Gulf Shores Assemblies, LLC
- HP Devco, Inc.
- Joba Construction Company
- John Hancock
- J.P. Morgan Securities
- Lear Corporation
- Life Scan, Inc.
- Loop Capital Markets, LLC
- Merck-Medco Managed Care, LLC
- Metropolitan Washington Airports Authority
- Michigan Consolidated Gas Company
- Michigan Municipal Bond Authority
- Michigan Property & Casualty
- Michigan State Hospital Finance Authority
- Michigan State Housing Development Authority
- Nataki Talibah Schoolhouse of Detroit
- National Football League
- Northpointe Academy
- Oakland University
- Pepsi Bottling Company
- PETCO Animal Supplies
- Prudential Life Insurance Company
- Siebert Brandford Shank & Co., LLC
- St. John Health System
- Standard Federal Bank
- State of Connecticut
- State of Michigan
- Traverse Group
- University of Michigan, The
- Wayne County, Michigan
- Wayne State University
- Tag Holdings, LLC
- Vibration Control Technologies LLC
- Wachovia Securities
- Wellness Plan, The
- Wolverine Human Services
