| Insurance carrier |
| 4TH DISTRICT - BEN HEALTH FUND (IBEW) |
| A & G ADMINISTRATORS INC. |
| ACORDIA NATIONAL |
| ACS/HEALTHNET |
| ADVANTAGE HEALTH PLAN |
| AETNA (ARAMARK) |
| AETNA AHF-NAP |
| AETNA CHOICE POS II |
| AETNA HMO |
| AETNA LIFE INSURANCE CO |
| AETNA POS |
| AETNA US HEALTHCARE |
| AETNA US HEALTHCARE/HMO PA |
| AFFORDABLE MEDICAL NETWORK (ABA) |
| AIG |
| ALLIANCE HEALTH NETWORK |
| ALLSTATE INSURANCE COMPANY |
| AMALGAMATED LIFE INSURANCE |
| AMERICAN GENERAL |
| AMERICAN GENERAL INSURANCE CO |
| AMERICAN MEDICAL SECURITY |
| AMERICAN NATIONAL INSURANCE COMPANY |
| AMERICAN POSTAL WORKERS UNION HEALTH PLAN |
| AMERIHEALTH ADMINISTRATORS |
| AMERIHEALTH HMO |
| ANTHEM BC/BS OF CONNECTICUT |
| ANTHEM BC/BS OF INDIANA |
| ANTHEM BC/BS OF KENTUCKY |
| ANTHEM BC/BS OF MISSOURI |
| ANTHEM BC/BS OF NEW HAMPSHIRE |
| ANTHEM BC/BS OF OHIO |
| ANTHEM BC/BS OF VIRGINIA |
| ANTHEM-ACCORDIA INSURANCE |
| AON SELECT |
| APWU (AMERICAN POSTAL WORKERS UNION) |
| ARMSTRONG WORLD INDUSTRIES |
| ASSURANT HEALTH |
| ATK BLUE CROSS OF MN |
| AULTCARE |
| AVALON HEALTH LTD |
| BANKERS LIFE & CASUALTY |
| BC IOWA SELECT |
| BC/BS |
| BC/BS FEDERAL EMPLOYEE PROGRAM |
| BC/BS OF ALABAMA |
| BC/BS OF ALASKA |
| BC/BS OF CALIFORNIA |
| BC/BS OF DELAWARE |
| BC/BS OF FLORIDA |
| BC/BS OF GEORGIA |
| BC/BS OF ILLINOIS |
| BC/BS OF IOWA |
| BC/BS OF KANSAS CITY |
| BC/BS OF MASSACHUSETTS |
| BC/BS OF MICHIGAN |
| BC/BS OF MINNESOTA |
| BC/BS OF MONTANA |
| BC/BS OF NEBRASKA |
| BC/BS OF NORTH CAROLINA |
| BC/BS OF OKLAHOMA |
| BC/BS OF PENNSYLVANIA |
| BC/BS OF RHODE ISLAND |
| BC/BS OF SOUTH CAROLINA |
| BC/BS OF TENNESSEE |
| BC/BS OF TEXAS |
| BC/BS OF VERMONT |
| BC/BS OF WESTERN NEW YORK |
| BC/BS OF WYOMING |
| BEECH STREET HEALTH |
| BENEFIT ASSISTANCE CORP |
| BENEFIT COORDINATORS CORP |
| BENEFIT SERVICE INC |
| BENEFITS CONCEPTS |
| BERKSHIRE HEALTH PLAN |
| BLAIR MILL |
| BLUE CHOICE |
| BLUE CROSS OF NORTHEASTERN PA |
| BLUE CROSS OF WESTERN NEW YORK |
| BLUE CROSS OF WESTERN PA (HIGHMARK) |
| Blue Cross/Blue Shield of New Jersey (Horizon) |
| BLUE RIDGE HEALTH INSURANCE |
| BLUE RIDGE INSURANCE CO. |
| BLUE SHIELD OF CALIFORNIA |
| BLUE SHIELD OF NORTHEAST NEW YORK |
| BLUE WORLD WIDE EXPAT (HIGHMARK) |
| BOARD OF PENSIONS PRESB. CHURCH |
| BON SECOURS HOLY FAMILY HEALTH |
| BRIDGESTONE/FIRESTONE |
| BRODART COMPANY |
| CAPITAL BLUE CROSS |
| CARE FIRST BLUE CROSS/BLUE SHIELD |
| CARELINK HEALTH PLANS |
| CAREMARK |
| CARPENTER BC/BS (BC/BS OF NC) |
| CBCA ADMINISTRATORS INC |
| CEBA CLAIMS |
| CENTRAL PA TEAMSTERS |
| CENTRAL RESERVE LIFE |
| CHAMPUS/TRICARE |
| CHESTERFIELD RESOURCES |
| CIGNA (CONNECTICUT GENERAL INS CO) |
| CIGNA HEALTH CARE |
| CIGNA HEALTHCARE OF PA |
| CLASSICBLUE (HIGHMARK) |
| CLEAR CARE CORP |
| CNA INTERGRATED CARE MANAGEMENT |
| COLONIAL PENN INSURANCE CO |
| COMBINED INSURANCE OF AMERICA |
| COMMUNITY BLUE |
| COMPLETECARE (HIGHMARK) |
| COMPREHENSIVE BENEFITS (CBA) |
| CONSECO |
| CONSOLIDATED HEALTH PLANS |
| CONTINENTAL ASSURANCE CO (CNA) |
| CONTINENTAL CASUALTY INS. CO |
| COORDINATED HEALTH CARE |
| COORDINATED HEALTH CARE (CORESOURCE) |
| CORESOURCE |
| CORPORATE BENEFIT SERVICES |
| CORPORATE HEALTH ADMINISTRATORS |
| COVENTRY HEALTH (LONDON KY) |
| COVENTRY HEALTHCARE - NATIONAL NETWORK |
| COVENTRY HEALTHCARE OF DELAWARE |
| CRAWFORD & COMPANY |
| CREATIVE PULTRUSIONS INC |
| CUSTOM BLUE CROSS |
| D H EVANS |
| DART MANAGEMENT CORP/HEALTH CARE |
| DEFINITY HEALTH (UNITED HEALTH CARE) |
| DELTA DENTAL OF PA |
| DEVON HEALTH SERVICES INC |
| DGA DIVERSIFIED GROUP |
| DIRECT BLUE |
| DIVERSIFIED GROUP ADMINISTRATORS |
| DUPONT POS (AETNA) |
| EAGLE MANAGED CARE |
| EASTERN BENEFIT SYSTEMS INC |
| EDUCATORS MUTUAL |
| EDUCATORS MUTUAL LIFE INS CO |
| EDWARD JONES ANTHEM BC/BS |
| ELEANOR SCHMIDT |
| EMPIRE BC/BS |
| EMPIRE BC/BS OF NY |
| EMPLOYERS HEALTH INS. CO |
| EPO BLUE |
| EPO BLUE (HIGHMARK) |
| EQUITABLE ASSURANCE |
| ERIE INSURANCE COMPANY |
| ERIN GROUP ADMINISTRATORS |
| EXCELLUS BC/BS (CENTRAL) |
| EXCELLUS BC/BS (ROCHESTER) |
| F L SMITH MACHINE |
| FEDERAL EMPLOYEE PROGRAM (HIGHMARK) |
| FIRST HEALTH |
| FIRST PRIORITY HEALTH |
| FIRST PRIORITY LIFE |
| FORTIS HEALTH INSURANCE |
| FRANK VACCARO & ASSOC |
| FREEDOM PLAN VALLEY DIRECT |
| FURMAN'S FOOD INSURANCE |
| GE MEDICAL BENEFITS CLAIM CTR |
| GEICO |
| GEISINGER HEALTH PLAN |
| GENERAL AMERICAN BENEFITS |
| GEORGIA HEALTH PLUS |
| GETTYSBURG HEALTH ADMIN. |
| GHI (GROUP HEALTH INSURANCE) |
| GILSBAR |
| GOLDEN RULE |
| GOVT. EMPLOYEES HOSP ASSOC (GEHA) |
| GREAT WEST HEALTHCARE |
| GREAT WEST LIFE |
| GUARDIAN LIFE INSURANCE OF AMERICA |
| GUTHRIE HEALTHCARE SYSTEM |
| H.E.R.E.I.U. WELFARE FUNDS (HOTEL & RESTAURANT EMPLOYEES) |
| HANOVER FOODS |
| HEALTH & WELFARE FUND (TEAMSTERS) |
| HEALTH AMERICA |
| HEALTH AMERICA PITTSBURGH |
| HEALTH ASSURANCE |
| HEALTH ONE INSURANCE (CAPITAL BC) |
| HEALTH PARTNERS OF PHILADELPHIA |
| HEALTH PLAN ADMINISTRATORS OF PA |
| HEALTH SOURCE |
| HEALTHNET, INC |
| HIGHMARK |
| HIGHMARK BLUE SHIELD |
| HIP HEALTH PLAN OF PA |
| HM BENEFITS ADMINISTRATOR'S INC (HIGHMARK) |
| HORIZON BC/BS OF NEW JERSEY |
| HUMANA INSURANCE COMPANY |
| INDEPENDENCE BLUE CROSS |
| INS DESIGN ADMINISTRATION |
| INTERACTIVE MEDICAL SYSTEMS |
| INTERCOUNTY AMERIHEALTH |
| INTERCOUNTY PHYS SERV PLAN |
| INTERPLAN HEALTH GROUP |
| J P FARLEY CORP |
| JEFFERSON PILOT LIFE INS. CO. |
| JOHN ALDEN |
| JOHN ALDEN LIFE INSURANCE COMPANY |
| JOHN HANCOCK MUTUAL LIFE INS. CO |
| JOY GLOBAL INC. |
| K & S INDUST SERV (BEECH ST INC) |
| KANSAS CITY LIFE |
| KEMPER INSURANCE |
| KEYSTONE BLUE |
| KEYSTONE HEALTH PLAN CENTRAL |
| KEYSTONE HEALTH PLAN EAST |
| KEYSTONE HEALTH PLAN WEST |
| KEYSTONE HEALTH PLAN WEST (HIGHMARK) |
| LIFE INSURANCE COMPANY OF NORTH AMERICA |
| LOOMIS |
| LUMENOS |
| MAGNACARE |
| MAILHANDLERS |
| MAILHANDLERS (FIRST HEALTH) |
| MALONEY ASSOCIATES |
| MAMSI HEALTH & LIFE INSURANCE |
| MASS MUTUAL LIFE INS CO |
| MCA ADMINISTRATORS INC (MANAGED CARE OF AMERICA) |
| MD IPA PREFERRED |
| MEDICAL MUTUAL (DEVON) |
| MEDICAL MUTUAL OF OHIO |
| MEGA LIFE & HEALTH INSURANCE |
| MENNONITE MUTUAL AID ASSOC. |
| MERCK MEDCO MANAGED CARE |
| MERITAIN HEALTH |
| MET LIFE |
| MET LIFE (UNITED HEALTHCARE) |
| METROPOLITAN LIFE INSURANCE COMPANY |
| MGS INSURANCE AGENCY - ERIE |
| MOUNTAIN STATE BC/BS WV |
| MUTUAL OF OMAHA INS CO |
| NALC (NATIONAL ASSOC. OF LETTER CARRIERS) |
| NASE (NATIONAL ASSOC. OF SELF-EMPLOYED) |
| NATIONAL HEALTH INSURANCE CO |
| NATIONAL HOME LIFE INS. CO |
| NATIONWIDE INS CO OF AMERICA |
| NATL ELEVATOR INDUSTRY BENEFIT PLANS |
| NCAS (NATIONAL CLAIMS ADMIN. SERVICES) |
| NEW YORK LIFE INS. CO |
| NGS AMERICAN INC (OHIO HEALTH CHOICE) |
| NORTH AMERICAN HEALTH PLANS |
| NORTHWESTERN MUTUAL LIFE |
| NOVA HEALTH CARE |
| NYSDA (NY STATE AUTO DEALERS ASSOC) = BC OF NORTHEAST NY |
| ODS HEALTH PLANS |
| ONE HEALTH PLAN |
| OPERATING ENGINEERS LOCAL 825 |
| OPTIMUM CHOICE |
| OXFORD HEALTH PLANS |
| PEBTF-PENNSYLVANIA EMPLOYER BENEFTIS TRUST FUND |
| PENNSYLVANIA BLUE CROSS |
| PENNSYLVANIA BLUE SHIELD |
| PERSONAL CHOICE |
| PHC - PREFERRED HEALTH CARE |
| PHILADELPHIA AMERICAN LIFE INSURANCE |
| PHILCARE HEALTH SYSTEMS |
| PHN HEALTHSTAR |
| PHOENIX LIFE INSURANCE CO |
| PHOENIX MUTUAL LIFE INS. CO. |
| PHYSICIANS CARE HMO |
| PHYSICIANS MUTUAL |
| PINNACLE HEALTH |
| POMCO |
| PPHN |
| PPO BLUE (HIGHMARK) |
| PPO HIGHMARK BLUE SHIELD |
| PPO NEXT - TPA |
| PREFERRED BLUE (HIGHMARK) |
| PREFERRED HEALTH CARE SYSTEMS |
| PREFERRED HEALTH PLANS |
| PRIME SOURCE |
| PRIME SOURCE HEALTH NETWORK |
| PRINCIPAL - AETNA SIGNATURE ADMINISTRATORS |
| PRINCIPAL FINANCIAL GROUP |
| PRINCIPAL LIFE INSURANCE CO |
| PRINCIPLE HEALTH CARE OF PA |
| PROTECTIVE LIFE INS. CO. |
| PROVIDENT LIFE & ACCIDENT INS. |
| PROVIDENT MUTUAL LIFE INS. CO |
| PRUDENTIAL HEALTHCARE/PRUCARE |
| QUALMED PLANS FOR HEALTH |
| REGENCE BC/BS OF OREGON |
| REGENCE BC/BS OF UTAH |
| REGENCE BC/BS OF WASHINGTON |
| RELIASTAR LIFE INSURANCE COMPANY |
| RITZ CRAFT CORP |
| RMSCO, INC |
| SELECT BLUE |
| SELF FUNDING ADMINISTRATORS |
| SHOPMAN IRON WORKERS LOCAL 502 |
| SIGNIFICA (ERIN GROUP ADMIN) |
| SOUTH CENTRAL PREFERRED |
| SOUTHCARE HEALTHCARE PREFERRED |
| SPECIALCARE (HIGHMARK) |
| SPECTRUM ADMINISTRATORS |
| SRC, an AETNA COMPANY |
| STARMARK |
| STATE FARM INSURANCE COMPANY |
| SUMMA CARE |
| SUN LIFE ASSURANCE COMPANY |
| TEAMSTERS INDUSTRY WELFARE FUND |
| THE HEALTH PLAN OF WV |
| THIRD PARTY ADMINISTRATORS |
| TIME INSURANCE COMPANY |
| TRANSAMERICA ACCIDENTAL INS CO |
| TRAVELERS INSURANCE CO |
| TRI CARE CLAIMS |
| TRI CARE PRIME REMOTE US UNIFORM SERVICES |
| TRI-M GROUP LLC (BENEFITS CONCEPTS) |
| TRIGON BC/BS |
| TRIGON BC/BS OF VIRGINIA |
| TRUSTMARK INSURANCE |
| TUFTS HEALTH PLAN |
| TYSON FOODS |
| UFCW HEALTH & WELFARE TRUST FUND |
| UNICARE VALLEY PREFERRED |
| UNION SECURITY INSURANCE COMPANY |
| UNISON ADVANTAGE (THREE RIVERS) |
| UNISON HEALTH PLAN |
| UNITED HEALTHCARE |
| UNITED MEDICAL RESOURCES |
| UNIVERA HEALTHCARE INC |
| UPMC HEALTH PLAN |
| US NOW |
| USI ADMINISTRATORS |
| VALLEY PREFERRED |
| VERITUS HIGHMARK (MEDICARE PART A) |
| WALMART BENEFITS |
| WASHINGTON NATIONAL INSURANCE |
| WAUSAU INSURANCE |
| WELLMARK BC/BS OF IOWA |
| WILLSE AND ASSOCIATES |
