• ACE Westchester
• Aetna
• Allied Insurance Company
• American International Group (AIG)
• AOI HealthChoice
• Assurant Employee Benefits
• Berkshire Hathaway Ins. Cos.
• Brokers National
• Chubb Group of Insurance Cos.
• CNA  Insurance Companies
• Euler American Credit Indemnity Co.
• Financial Pacific Insurance Co.
• Fireman’s Fund Insurance Co.
• Freberg Environmental
• Great American Insurance Co.
• Great-West Healthcare
• Guardian
• Hartford Insurance Companies
• Hartford Steam Boiler & Inspection
• HealthNet
• Insco / Dico Group
• Kaiser Permanente
• Liberty Northwest
• LifeWise
• Lincoln Financial Group

• Lloyds of London
• Markel American Insurance Co.
• MetLife
• National Union Fire Ins. Co.
• ODS Companies
• Ohio Casualty Group
• Old Republic Surety Co.
• Oregon Mutual Insurance Co.
• PacifiCare
• PacificSource
• Philadelphia Insurance Cos.
• Principal Financial Group
• Providence Health
• Regence BlueCross BlueShield
• Royal & SunAlliance
• Safeco Insurance Companies
• SAIF Corporation
• Standard Insurance
• Travelers
• UnitedHealthcare
• United Concordia
• Universal Underwriters
• Unum Provident
• VSP
• Zurich North America