- Gab Robbins IncorporatedTP117
- Gallagher BassettTP057
- Galveston County Indigent Health Care30005
- Garden Grove Unified School DistrictJ1519
- Garden State Life Insurance Company84030
- Gate Gourmet 836J1302
- Gates Corporation DBA Gates Rubber CompanyJ1066
- Gateway Health Plan Medicare Ohio Assured91741
- Geisinger Health Plan75273
- General Electric AutomotiveJ1557
- General Parts InternationalJ1678
- Genesee County Health Plan (MB) - JVHLMBJVHL
- Genesys-Oconee Detention Center SCCJ7757
- Genex Care for OhioJ1895
- GEOJ1461
- Georgia Health AdvantageA2327
- GHA Orthopedic Providers IncGHAOP
- Gillette Children's Specialty HealthcareJ1927
- Global Care (Nicaraguan American Medical Care International)L0110
- Global Care Medical Group IPAMPM05
- Global ExcelGEM01
- Global Excel65074
- Global Healthcare AllianceGHAHSS
- Global Life Insurance KeybankZP6443
- Global Medical Management International Customer CareGMICC
- Global One VenturesGLOBAL1
- Global TBSPMPM64
- Global Women's Health Providers Inc.GHAWH
- GlobalHealthGHOKC
- GlobalHealth TexasGHTX0
- Globe Life10988
- Globe Life Insurance Company of New York10987
- Gloria Gates CAREIHS20
- GMP Employers Retiree TrustGMPER
- GMR Healthcare85664
- GMS47083
- Gold Coast Health Plan77160
- Gold Kidney Health PlanA6865
- Golden Coast MSOGCMSO
- Golden Corral CorporationJ1067
- Golden EagleJ1430
- Golden Rule37602
- Golden State Medical GroupMBA01
- Golden State SupplyJ1306
- Golden West Dental & VisionGWD01
- Gonzaba Medical GroupGMGSA
- Good Samaritan HospitalJ1647
- Good Samaritan IPAGSMPA
- GoodrichJ1462
- Goodwill IndustriesJ1621
- Grady Healthcare Incorporated58204
- Grand River InsuranceJ1566
- Grange Insurance14303
- Grange Mutual Casualty Company10322
- Grange Workers' Compensation14060
- Granite Advantage Health Care Plan
- Graphic Arts Mutual25984
- GravieGRV01
- Great American Alliance Insurance Company26832
- Great American Assurance Company26344
- Great American Insurance Company16691
- Great American Insurance Company of New York22136
- Great American Life Assurance CompanyGAIMS
- Great Bay Administrators04036
- Great CentralJ1308
- Great Divide Insurance25224
- Great Southern Life Insurance CompanyZ96477
- Greater Covina Medical Group99284
- Greater Oregon Behavioral HealthGOBHI
- Green Diamond WashingtonJ1642
- Grinnell Reinsurance CompanyJ1571
- Grinnell SelectJ1541
- Group Administrators Ltd36338
- Group and Pension Administrators101045
- Group Benefit Services80241
- Group Health Cooperative of Eau Claire95192
- Group Health Cooperative of South Central Wisconsin39167
- Group Health Northwest11041
- Group Health Plan (GHP)25141
- Group Hospitalization and Medical Services10964
- Group Insurance Service Center Incorporated37276
- Group Management ServicesOBA16
- Group Marketing Services66701
- GroupLinkCX015
- GSE Lining Technology IncorporatedJ1068
- Guarantee Trust Life7517
- Guardian64246
- Guidehealth11081
- Guidehealth Behavioral Health Network36363
- GuideOne Elite InsuranceJ1590
- GuideOne Mutual InsuranceJ1574
- Gulf Guaranty99943
- Gulf Guaranty HealthTHM01
- Gundersen Health Plan
- GWH Cigna (Great West Healthcare)80705
- GWH-Cigna63665
- Gwinnett County Public SchoolLV212