- Admiral Insurance Co.
- A.H. Bennett Co.
- AIG Companies
- Ashford Financial Corp.
- Associated Banks
- Associates Commercial Corp.
- Auto Owners Insurance Co.
- Banta Corporation
- Efmark Companies
- Farm Bureau Insurance Co.
- Farmland Insurance Co.
- Federated Insurance Co.
- Foster Wheeler Corp.
- Gagnon, Inc.
- General Casualty Insurance Co.
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- General Refractories Co., Inc.
- Great American Insurance Co.
- Greenpoint Credit Corp.
- Guide One Insurance
- Hood Equipment, Inc.
- I.C. System, Inc.
- Kelly-Moore Paint Co., Inc.
- LaSalle National Bank
- LeGran Homes
- Liberty Mutual Insurance Group
- Monson Trucking, Inc.
- MSI Insurance Co.
- Nationwide Insurance Co.
- Ohio Casualty Insurance Co.
- Plastics Engineering Co.
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- Riley Stoker Corp.
- Royal & Sun Alliance
- St. Francis Bank, F.S.B.
- Sunbeam Corp.
- TCF Financial Corp.
- The Rottlund Company
- Travelers Insurance Companies
- Viad Corp.
- Weil-McLain
- Wells Fargo Bank Minnesota, N.A.
- West Group
- Westinghouse Electric
- Westport Insurance Corporation
- Zurich North America
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