- CNA Insurance Companies
- Travelers Insurance Co.
- Foremost Insurance Group
- Resolute Management, Inc.
- PPG Industries, Inc.
- Crane Co.
- Square D Company
- Amsted Industries Incorporated
- FirstEnergy Corporation
- Brunswick Corporation
- Clay Ingels Company, LLC
- Enerfab, Inc.
- Allied Mineral Products Co.
- Seneca Insurance
- Markel American Insurance Co.
- Indiana Lumbermen's Insurance Co.
- M&H Trucking, Inc.










