BLUE CROSS BLUE SHIELD/PPO BANKER’S LIFE AND CASUALTY BANKERS LIFE & CASUALTY COMPANY BEECH STREET OF CALIFORNIA BENEFIT ADMINISTRATION SYSTEMS BENEFIT ADMINISTRATIVE SYSTEMS BENEFIT CLAIMS PAYERS BENEFIT CONCEPTS, INC. BENEFIT MANAGEMENT COMPANY BENEFIT MANAGEMENT SYSTEMS, INC. BENEFIT PLAN ADMINISTRATORS BENEFIT SYSTEMS & SERVICES BENEFITS, INC.

CIGNA HEALTHCARE
CENTRAL STATES JOINT BOARD
CHICAGO TILE INSTITUTE
CLAIMS MANAGEMENT
CNA INSURANCE COMPANIES
CNA RISK MANAGEMENT
COLUMBIA HEALTH CARE
COMMERCIAL TRAVELERS INSURANCE
CON AGRA, INC.
CONNECTICUT GENERAL LIFE INS.
CONSECO MEDICAL INSURANCE CO.
CONTRACTED HMO’S WITH REFEARALS
CORE SOURCES
CUB FOODS

DRN (DIAGNOSTIC RADIOLOGY NTK)

EHC EMPLOYERS HEALTH COOPERATIVE

FHP, INC.
FIDELITY SECURITY LIFE INS. CO.
FIREMAN’S FUND
FIRST BENEFITS ADMINISTRATORS
FIRST HEALTH
FIRST HEALTH GROUP CORP.

GALAXY HEALTH NETWORK
GALLAGHER BASSETT ADMINISTRATORS
GALLAGHER BASSETT SERVICES, INC.
GENEX SERVICES
GREAT-WEST LIFE & ANNUITY CO.
GROUP ADMINISTRATION SERVICES
GROUP BENEFIT SERVICES
GROUP HEALTH ADMINISTRATOR, INC.
GUARDIAN INS.

HUMANA(POS,PPO,HMO)
HARMONY HEALTH PLANS OF ILLINOIS
HARRINGTON BENEFITS
HARTFORD INSURANCE CO.
HEALTH CARE ADMINISTRATORS
HEALTH DATA SERVICES
HEALTH MARKETING
HEALTH NETWORK
HEALTH PLANS, INC.
HEALTH RISK MANAGEMENT, INC.
HEALTHCARE MANAGEMENT SERVICES
HEALTHPROGRAM MGRS/HEALTH RISK MGRS.
HFN

J.F MOLLOY & ASSOC.
JOHN HANCOCK MUTUAL LIFE INS. CO.

KELT TRUCK LINES, INC.
KEMPER NATIONAL SERVICE
KEY BENEFIT ADMINISTRATORS
KEY HEALTH MANAGEMENT
KEY PARTNERS, INC.

L U 366 HEALTH & WELFARE
LIBERTY MUTUAL
LIBERTY MUTUAL INSURANCE
LIBERTY MUTUAL INSURANCE COMPANY
LIBERTY NORTHWEST COMPANIES
LOCAL NO. 4 SEIU HEALTH & WELFARE FUND

MEDICAID
MEDICARE
MAIL HANDLERS BENEFIT PLAN, INC.
MANAGED CARE ADMINISTRATOR’S
MARTIN BOYER CO.
MARYLAND CASUALTY
MASSACHUSETTS MUTUAL CO.
MAXICARE OF ILLINOIS
MCDONALDS CORP
MED BENEFITS SYSTEMS
MEDFOCUS
MEDLINK
METLIFE
METRACOMP
METRAHEALTH
MUTLIPLAN MANAGE CARE
MUTUAL OF OMAHA

NEW YORK LIFE INSURANCE CO.
NYL CARE
NYL CARE HEALTH PLANS

PAINTERS LOCAL NO. 1293
PEKIN LIFE INS. CO.
PHM PREFERRED HEALTH MANAGEMENT
PLAN ADMINISTRATORS, INC.
PLANNED ADMINISTRATORS
PMA INSURANCE GROUP
PREFERRED HEALTH
PREMIER HEALTH SERVICES
PRINCIPAL HEALTH CARE INC.
PRINCIPAL HEALTH CARE OF ILLINOIS (FORMERLY FHP)
PRINCIPAL MUTUAL LIFE INS CO.
PRINCIPAL PREFERRED PLAN(FHP)
PROFESSIONAL BENEFIT ADMINISTRATORS
PROFESSIONAL SERVICE IND.
PRUDENTIAL
PUBLIC AID-CHICAGO HMO

RSK CO-CNA RISK MANAGEMENT CO.
RUSH PRUDENTIAL
RUSH PRUDENTIAL COMMERCIAL RUSH AFFILIATE
RUSH PRUDENTIAL/HMO(REFERRAL)/ PPO RUSH PRUDENTIAL-POS RUSH

SELF FUNDING ADMINISTRATORS
STATE FARM FIRE & CASUALTY CO.
STATE FARM INSURANCE
STATE FARM MUTUAL AUTOMOBILE (GROUP MEDICAL)
STUDENT PLANS, INC.

THE BENEFIT GROUP
THE HARTFORD
THE MALLORY GROUP
THE ST. PAUL COMPANIES
THE TPA
THIRD PARTY ADMINISTRATORS
TPA OF ILLINOIS
TRAVELERS
TRAVELERS HEALTH CO.
TRAVELERS PROPERTY CASULATY INS.

UNITED HEALTH CARE
U.S. BENEFITS, INC.
UFCW REGION 8/HEALTH & WELFARE FUND
UHC SELECT,UHC PREMIER,UHC ONE SHARE
UNICARE
UNICARE HEALTH & LIFE INS. CO.
UNICARE LIFE & HEALTH INS.
UNION BANKERS INSURANCE CO.
UNION LABOR LIFE INSURANCE COMPANY
UNITED AIRLINES
UNITED AMERICAN INSURANCE COMPANY
UNITED CHOICE
UNITED HEALTH CARE INDEMNITY
UNITED HEALTH CARE SITE #S 87,286,317
UNITED HEALTH CARE(PPO/HMO W/REFERRAL)
UNITED HEALTH CARE-,AARP
UNITED HEALTHCARE OPEN ACCESS
UNITED HEALTHCARE PLUS
UNITED PAYORS & UNITED PROVIDERS
UNIFIED PHYSICIAN NETWORK HMO
UNITY HMO (COMMERCIAL)

WASAU INSURANCE CO.
WELL MARK/HEALTH NETWORK