- Capitol Indemnity Corporation
- Carlisle Companies, Inc.
- Chicago International Trucks, LLC
- First Mercury Insurance
- Founders Insurance Company
- GAB Robins-North America
- Hanover Insurance Company
- Harco National Insurance Company
- Hartford
- Illinois Insurance Guaranty Fund
- Laidlaw Transit, Inc.
- Mid-Continent Insurance Group
- National Specialty Insurance
- Sentry Transportation Insurance
- Society Insurance
- Owens-Corning Fiberglas Corporation
- W.R. Grace & Co.-Conn.

