- Acadian Brick & Stone, L.L.C.
- Acadian Redi-Mix, L.L.C.
- Ace Group of Insurance & Reinsurance Companies
- Aquatica, Inc.
- ASCO USA, Ltd.
- Bean Resources, Inc.
- Tilden A. Bonin Contractors
- Burnett & Company, Inc.
- Cal Dive International, Inc.
- Certain London Underwriters per individual approval of instructions
- Carson Construction
- Clarendon National Insurance Company
- Clarendon America Insurance Company
- Crawford & Company
- Danos & Curole
- Deep South Surplus
- Energy Resource Technology, Inc.
- ESIS, Inc.
- Fontenot Builders
- H. Brown, Inc.
- Helix Energy Solutions Group, Inc.
- ICT Group
- Institute of London Underwriter Member Companies
- Knox Insurance Agency
- Lincoln General Insurance Company
- Lloyd's of London Member Syndicates
- M.A. Patout & Son, Ltd.
- Maryland Casualty Insurance Company
- Mariner Management Group, Inc.
- Motor Transport Underwriters, Inc.
- North American Capacity Insurance Company
- North American Risk Services
- Optimum Claim Service
- Petrin Corporation
- RLI Transportation
- Royal Specialty Underwriting, Inc.
- Southern Bay Energy LLC
- Seabulk Offshore
- TBS Adjusting Company
- Taylor Energy Company
- Wood Group Pressure Control, Ltd
- Total Safety, Inc.
- USI Gulf Coast, Inc. (Coastal Insurance Services)
- Venture Transport Logistics, LLC
- York STB
- Zurich North America
- Zurich-American Insurance Group
