AARP
ACE USA (WC)
AFLAC
AIG CLAIM SERVICES
ALLIANCE HEALTH BENEFIT PLAN
ALLSTATE
AMERICAN BANKERS/NATIONAL INS CO.
AMERICAN FAMILY
AMERICAN MEDICAL SECURITIES
AMERICAN REPUBLIC
AMERICAN TRUST
ANTHEM BC/BS
BEECH STREET
BC/BS(PPO, HMO)
BC/BS(FED)
BCE EMERGIS
CAP CARE-PPO
CHOICECARE
CIGNA
CONCENTRA (FOCUS)
CONSECO MEDICAL
COORDINATED CARE EPO (SLOANS)
CORESTAR
CRAWFORD & COMPANY (WC& AUTO)
FARMERS (WC & PIP)
FEDERAL WORKERS COMPENSATION 
FEDERATED MUTUAL INSURANCE
FIRST HEALTH
FINANCIAL INDEMNITY INSURANCE CO
FOCUS
FORTIS HEALTH
FREEMONT/INDUSTRIAL IND (FOCUS)
GALLAGHER BASSETT (WC)
GUARDIAN
GEHA
GEICO
GENESIS MANAGED CARE (WC)
GMAC
GREAT AMERICAN
GREAT WEST HEALTHCARE
HANOVER INSURANCE COMP(WC&AUTO)
HARRINGTON BENEFITS
HCC RISK MANAGEMENT (WC)
HUMANA

INFINITY INSURANCE
ITT HARTFORD
KEMPER INSURANCE (FOCUS)
LIBERTY MUTUAL
MEDICAL MUTUAL OF OHIO
MEDICARE
MIDLANDS CHOICE
MOUNTAIN MED AFFILIATES (PPO)
NATIONAL ASSOC OF LETTER CAR.  
NATIONAL FARMERS UNION
NATIONAL HEALTH SYSTEMS
NEW YORK LIFE INSURANCE
NORTH STAR ADMINISTRATORS
NOVACARE/RPN
OHIO CASUALTY
ONE HEALTH PLAN HMO & PPO
P. PACIFIC LIFE & ANNUITY
PACIFICARE PPO
PARAGON
PINNACOL ASSURANCE
POUDRE SCHOOL DIST. (PPO &EPO)
PRINCIPLE FINANCIAL (SLOANS)
PRINCIPLE LIFE INSURANCE CO
PRIVATE HEALTH CARE  (PPO)
PRUENET PPO (PRUDENTIAL)
RELIANCE (WC)
REPUBLIC INDEMNITY
REPUBLIC INSURANCE COMPANY
ROYAL/SUNALLIANCE
SENTRY INSURANCE
SLOANS LAKE MANAGE CARE (PPO)
STATE FARM (HEALTH & PIP)
TRAVELERS (WC)
TRIWEST
UNITED HEALTH CARE HMO, POS, PPO
UNITED PAYORS/UNITED PROVIDER
U.S. POSTAL SERVICE (WC)
USAA
WALMART
WAUSAU INSURANCE
WOODWARD GOVERNOR
WOODWARD HEALTH PLANS
WORLD INSURANCE (SLMC)
WYOMING (WC)