Northwestern Mutual
Aetna
American Fidelity Assurance
American Medical Security
Ameritas
Blue Cross Blue Shield
Brokers National
Celtic Insurance Company
Cigna
Delta Dental
Fidelity Security Life
First Source
Fortis
Great-West Life Insurance
Guardian Life Insurance
Hartford Insurance Group
Health Advantage
Humana
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Illinois Manufacturers Association
International Medical Group
Jefferson Pilot Financial
John Alden
Kansas City LIfe
Metropolitan Life
Pacific Life & Annuity Co.
Principal Financial Group
Qualchoice
Standard Insurance Company
Starmark
TransAmerica
Trustmark
Unicare
United Healthcare
UnumProvident
Vision Service Plan
Wellpoint Health Networks
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