| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| ACN Group IPA of New York, Inc. | | NY | | OptumHealth Care Solutions, Inc. | | |
| ACN Group of California, Inc. | | CA | | OptumHealth Care Solutions, Inc. | | OptumHealth Physical Health of California |
| AIM Healthcare Services, Inc. | | TN | | Ingenix, Inc. | | Healthcare Data Solutions Overpayment Recovery Services |
| A-Life Hospital Coding, LLC | | DE | | A-Life Medical, Inc. | | |
| A-Life Medical, Inc. | | CA | | Ingenix, Inc. | | |
| All Savers Insurance Company | | IN | | Golden Rule Financial Corporation | | |
| All Savers Life Insurance Company of California | | CA | | Golden Rule Financial Corporation | | |
| American Medical Security Life Insurance Company | | WI | | Golden Rule Financial Corporation | | UnitedHealthOne |
| AmeriChoice Corporation | | DE | | UnitedHealth Group Incorporated | | |
| AmeriChoice Health Services, Inc. | | DE | | AmeriChoice Corporation | | |
| AmeriChoice of Connecticut, Inc. | | CT | | AmeriChoice Corporation | | |
| AmeriChoice of Georgia, Inc. | | GA | | AmeriChoice Corporation | | |
| AmeriChoice of New Jersey, Inc. | | NJ | | AmeriChoice Corporation | | UnitedHealthcare Community Plan |
| Aperture Credentialing, Inc. | | DE | | Ingenix, Inc. | | |
| Arizona Physicians IPA, Inc. | | AZ | | UnitedHealthcare of Arizona, Inc. | | UnitedHealthcare Arizona Physicians IPA |
| Axolotl Corp. | | DE | | Ingenix, Inc. | | |
| Behavioral Healthcare Options, Inc. | | NV | | Sierra Health Services, Inc. | | |
| Blitz 10-622 GmbH | | Germany | | Ingenix, Inc. | | |
| BP Inc. | | DE | | United HealthCare Services, Inc. | | BP Services BP Services, Inc. BP Services of Minnesota BP Insurance Services, Inc. BP of Minnesota Insurance Services BPI, Inc. BPI Services BPI Services, Inc. BP Inc. of Delaware BP Insurance Services |
| CanReg (Europe) Limited | | Ireland | | CanReg Inc. | | |
| CanReg Inc. | | Canada | | i3 Canada, Inc. | | i3 CanReg |
| CareMedic Holdings, Inc. | | DE | | Ingenix, Inc. | | |
| CareMedic Systems, Inc. | | DE | | CareMedic Holdings, Inc. | | |
| ChinaGate (Hong Kong) Ltd. | | Hong Kong | | Ingenix, Inc. | | |
| ChinaGate Medicine and Technology Consulting (Shanghai) Co. | | China | | ChinaGate (Hong Kong) Ltd. | | |
| CII Financial, Inc. | | CA | | Sierra Health Services, Inc. | | |
| Citipsych Pty. Ltd. | | Australia | | PPC Worldwide Unit Trust | | |
| ClinPharm International Limited | | UK | | Ingenix, Inc. | | |
| Commonwealth Administrators, LLC | | KY | | UMR, Inc. | | |
| Corporate Support Ltd. | | UK | | Personal Performance Consultants UK Limited | | |
| DBP Services of New York IPA, Inc. | | NY | | Dental Benefit Providers, Inc. | | |
| DCG Resource Options, LLC | | ME | | National Benefit Resources, Inc. | | Workup, LLC |
| Definity Health Corporation | | DE | | United HealthCare Services, Inc. | | |
| Dental Benefit Providers of California, Inc. | | CA | | Dental Benefit Providers, Inc. | | OptumHealth Dental of California |
| Dental Benefit Providers of Illinois, Inc. | | IL | | Dental Benefit Providers, Inc. | | |
| Dental Benefit Providers, Inc. | | DE | | United HealthCare Services, Inc. | | DBP Services DBP Services Inc. |
| Disability Consulting Group, LLC | | ME | | National Benefit Resources, Inc. | | |
| Distance Learning Network, Inc. | | DE | | OptumHealth Holdings, LLC | | i3CME OptumHealth Education |
| Duncan Printing Services, LLC | | SC | | UnitedHealthcare Insurance Company | | |
| Electronic Network Systems, Inc. | | DE | | Ingenix, Inc. | | |
| Evercare Collaborative Solutions, Inc. | | DE | | Ovations, Inc. | | |
| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| Evercare Hospice, Inc. | | DE | | Ovations, Inc. | | Evercare Hospice Evercare Hospice and Palliative Care Evercare Hospice and Palliative Care of Colorado Springs Evercare Hospice and Palliative Care of Denver Evercare Palliative Care Evercare Palliative Services Evercare Palliative Services of Atlanta Evercare Palliative Services of Cincinnati Evercare Palliative Services of Colorado Springs Evercare Palliative Services of Cleveland Evercare Palliative Services Denver Evercare Palliative Services of Dover Evercare Palliative Services of Eugene Evercare Palliative Services of Houston Evercare Palliative Services of Phoenix Evercare Palliative Services of Portland Evercare Palliative Services of Salem Evercare Palliative Services of Tucson Evercare Palliative Services of Vienna |
| Evercare of Arizona, Inc. | | AZ | | Ovations, Inc. | | |
| Evercare of New Mexico, Inc. | | NM | | UnitedHealthcare Insurance Company | | |
| Evercare of Texas, L.L.C. | | TX | | Ovations, Inc. | | United Healthcare - Texas UnitedHealthcare Community Plan |
| Executive Health Resources, Inc. | | PA | | Ingenix, Inc. | | |
| Family Health Care Services | | NV | | Sierra Health Services, Inc. | | |
| Family Home Hospice, Inc. | | NV | | Sierra Health Services, Inc. | | COU, Inc. |
| Focus EAP Ltd. | | UK | | Personal Performance Consultants UK Limited | | |
| FOHP, Inc. | | NJ | | Oxford Health Plans LLC | | |
| Golden Rule Financial Corporation | | DE | | UnitedHealth Group Incorporated | | |
| Golden Rule Insurance Company | | IN | | Golden Rule Financial Corporation | | UnitedHealthOne |
| H & W Indemnity, Ltd. | | Caymans | | UnitedHealth Group Incorporated | | |
| Harrington Health Services, Inc. | | DE | | United HealthCare Services, Inc. | | |
| Health Net Insurance of New York, Inc. | | NY | | Oxford Health Plans LLC | | |
| Health Net of Connecticut, Inc. | | CT | | Oxford Health Plans LLC | | |
| Health Net of New Jersey, Inc. | | NJ | | FOHP, Inc. | | |
| Health Net of New York, Inc. | | NY | | Oxford Health Plans LLC | | |
| Health Net Services (Bermuda) Ltd. | | Bermuda | | Oxford Health Plans LLC | | |
| Health Plan of Nevada, Inc. | | NV | | Sierra Health Services, Inc. | | |
| Health Technology Analysts Pty. Limited | | Australia | | Ingenix Pharmaceutical Services (Australia) Pty. Limited | | |
| HealthAllies, Inc. | | DE | | OptumHealth Holdings, LLC | | OptumHealth Allies UnitedHealth Allies |
| Healthia Consulting, Inc. | | MN | | Ingenix, Inc. | | |
| Healthia Exchange, LLC | | MN | | Healthia Consulting, Inc. | | |
| Hygeia Corporation | | DE | | UnitedHealth International, Inc. | | |
| Hygeia Corporation (Ontario) | | Ontario | | Hygeia Corporation | | |
| i Tres Latin America Costa Rica S.A. | | Costa Rica | | Ingenix International (Netherlands) B.V. | | |
| i3 Asia Pacific (Singapore) Pte. Ltd. | | Singapore | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Bulgaria EOOD | | Bulgaria | | Ingenix International (Netherlands) B.V. | | |
| i3 Canada, Inc. | | Canada | | Ingenix Pharmaceutical Services, Inc. | | i3 Drug Safety i3 Innovus i3 Pharma Resourcing i3 Renouvellement de Personnel Pharmaceutique i3 Research i3 Statprobe Ingenix Pharmaceutical Services Recherche i3 Services Pharmaceutiques Ingenix |
| i3 Ingenix (Belgium) | | Belgium | | Ingenix International (Netherlands) B.V. | | |
| i3 Japan LLC | | Japan | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Korea LLC | | Republic of Korea | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Latin America Argentina S.A. | | Argentina | | Ingenix International (Netherlands) B.V. | | |
| i3 Latin America Brasil Serviços de Pesquisa Clínica Ltda. | | Brazil | | Ingenix International (Netherlands) B.V. | | |
| i3 Latin America Chile S.A. | | Chile | | Ingenix International (Netherlands) B.V. | | |
| i3 Latin America Perú S.A. | | Peru | | Ingenix International (Netherlands) B.V. | | |
| i3 Latin América Uruguay S.R.L. | | Uruguay | | Ingenix International (Netherlands) B.V. | | |
| i3 LLC | | Russia | | Ingenix International (Netherlands) B.V. | | |
| i3 Pharma Monitoring (Ireland) Limited | | Ireland | | Ingenix International (Netherlands) B.V. | | |
| i3 Poland sp. z.o.o. | | Poland | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Research d.o.o. Beograd | | Serbia | | Ingenix International (Netherlands) B.V. | | |
| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| i3 Research India Private Limited | | India | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Research Limited | | UK | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Sweden AB | | Sweden | | Ingenix Pharmaceutical Services, Inc. | | |
| i3 Switzerland SARL | | Switzerland | | Ingenix International (Netherlands) B.V. | | |
| Information Network Corporation | | AZ | | AmeriChoice Corporation | | |
| Ingenix Holdings, LLC | | DE | | RIO Holdings, Inc. | | |
| Ingenix Innovus (Netherlands) B.V. | | Netherlands | | Ingenix, Inc. | | |
| Ingenix Innovus (Singapore) Pte Ltd | | Singapore | | Ingenix, Inc. | | |
| Ingenix International (Czech Republic), s.r.o. | | Czech | | Ingenix Pharmaceutical Services, Inc. | | i3 Research |
| Ingenix International (Finland) Oy | | Finland | | Ingenix Pharmaceutical Services, Inc. | | i3 Research |
| Ingenix International (Hong Kong) Limited | | Hong Kong | | Ingenix Pharmaceutical Services, Inc. | | |
| Ingenix International (Italy) S.r.l. | | Italy | | Ingenix Pharmaceutical Services (UK) Limited | | |
| Ingenix International (Netherlands) B.V. | | Netherlands | | Ingenix Pharmaceutical Services, Inc. | | i3 Drug Safety i3 Innovus i3 Pharma Resourcing i3 Research |
| Ingenix International Hungary Ltd. | | Hungary | | Ingenix Pharmaceutical Services, Inc. | | |
| Ingenix Pharmaceutical Services (Australia) Pty Limited | | Australia | | Ingenix Pharmaceutical Services (UK) Limited | | i3 Innovus i3 Pharma Resourcing i3 Research |
| Ingenix Pharmaceutical Services (Deutschland) GmbH | | Germany | | Ingenix Pharmaceutical Services, Inc. | | i3 Research |
| Ingenix Pharmaceutical Services (Spain) SL | | Spain | | Ingenix Pharmaceutical Services (UK) Limited | | i3 Research |
| Ingenix Pharmaceutical Services (Sweden) AB | | Sweden | | Ingenix Pharmaceutical Services, Inc. | | i3 Drug Safety i3 Innovus i3 Pharma Resourcing i3 Research |
| Ingenix Pharmaceutical Services (UK) Limited | | UK | | Ingenix Pharmaceutical Services, Inc. | | |
| Ingenix Pharmaceutical Services d.o.o. | | Croatia | | Ingenix International (Netherlands) B.V. | | |
| Ingenix Pharmaceutical Services Mexico S.A. de C.V. | | Mexico | | Ingenix International (Netherlands) B.V. | | |
| Ingenix Pharmaceutical Services SARL | | France | | Ingenix Pharmaceutical Services (UK) Limited | | i3 Drug Safety i3 Innovus i3 Pharma Resourcing i3 Research |
| Ingenix Pharmaceutical Services, Inc. | | DE | | Ingenix, Inc. | | i3 Drug Safety i3 Innovus i3 Magnifi i3 Pharma Resourcing i3 Research i3 Statprobe i3 Quality Metric |
| Ingenix Public Sector Solutions, Inc. | | DE | | Ingenix, Inc. | | |
| Ingenix UK Holdings Limited | | UK | | RIO Holdings, Inc. | | |
| Ingenix, Inc. | | DE | | Ingenix Holdings, LLC | | Reden & Anders |
| Ingram & Associates, LLC | | TN | | AIM Healthcare Services, Inc. | | Ingram BPO Services, LLC Ingram & Associates, LLC (Tennessee) Ingram & Associates, (Tennessee) LLC |
| Innovative Cost Solutions, LLC | | IL | | Ingenix, Inc. | | |
| Innoviant Pharmacy, Inc. | | PA | | Prescription Solutions Holdings, LLC | | IPI Pharmaceuticals IPI PHARMACEUTICALS |
| Innovus Italy S.r.l. | | Italy | | Ingenix, Inc. | | |
| Integris Inc. | | DE | | Ingenix, Inc. | | Bull Services Bull Services Inc. Ingenix Bull Services, Inc. dba Integris Inc. |
| International Psychological Services Pte. Ltd | | Singapore | | International Psychological Services Pty, Limited | | |
| International Psychological Services Pty, Limited | | Australia | | PPC Worldwide Holdings Pty. Ltd. | | |
| Lifeprint Health, Inc. | | DE | | Collaborative Care Holdings LLC | | |
| LighthouseMD, Inc. | | RI | | RSB Holdings, Inc. | | |
| LLC i3 Ukraine | | Ukraine | | Ingenix International (Netherlands) B.V. | | |
| Lynx Medical Systems Holding Corp. | | DE | | Picis, Inc. | | |
| Lynx Medical Systems, Inc. | | WA | | Lynx Medical Systems Holding Corp. | | |
| MAMSI Insurance Resources, LLC | | MD | | OneNet PPO, LLC | | |
| MAMSI Life and Health Insurance Company | | MD | | Mid Atlantic Medical Services, LLC | | MAMSI Life and Health MLH |
| Managed Physical Network, Inc. | | NY | | OptumHealth Care Solutions, Inc. | | |
| MD-Individual Practice Association, Inc. | | MD | | Mid Atlantic Medical Services, LLC | | M.D. IPA M.D. IPA HEALTH M.D. IPA PREFERRED M.D. IPA, The Quality Care Health Plan |
| Mid Atlantic Medical Services, LLC | | DE | | UnitedHealth Group Incorporated | | |
| Midwest Security Care, Inc. | | WI | | UnitedHealthcare, Inc. | | |
| Midwest Security Life Insurance Company | | WI | | UnitedHealthcare, Inc. | | |
| MLH Life Trust | | MD | | Mid Atlantic Medical Services, LLC | | |
| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| Mohave Valley Hospital, Inc. | | AZ | | Southwest Medical Associates, Inc. | | |
| National Benefit Resources, Inc. | | MN | | OptumHealth, LLC | | Managed Care Solutions NBR Insurance Services Stop Loss International Corporation |
| National Pacific Dental, Inc. | | TX | | PacificDental Benefits, Inc. | | |
| Neighborhood Health Partnership, Inc. | | FL | | UnitedHealthcare, Inc. | | Neighborhood Health Neighborhood Health Partnership NHP |
| Netwerkes, LLC | | TN | | AIM Healthcare Services, Inc. | | |
| Nevada Pacific Dental | | NV | | PacificDental Benefits, Inc. | | |
| Northern Nevada Health Network, Inc. | | NV | | Sierra Health Services, Inc. | | |
| OneNet PPO, LLC | | MD | | UnitedHealthcare Insurance Company | | |
| Optimum Choice, Inc. | | MD | | Mid Atlantic Medical Services, LLC | | OCI OCI HEALTH PLAN OCI PREFERRED OPTIMUM CHOICE OPTIMUM CHOICE HEALTH PLAN OPTIMUM CHOICE PREFERRED Optimum Choice Advantage |
| OptumHealth Bank, Inc. | | UT | | OptumHealth Financial Services, Inc. | | Exante Bank |
| OptumHealth Care Solutions, Inc. | | MN | | OptumHealth Holdings, LLC | | OptumHealth Care Solutions |
| OptumHealth Financial Services, Inc. | | DE | | OptumHealth Holdings, LLC | | |
| OptumHealth Holdings, LLC | | DE | | RIO Holdings, Inc. | | |
| OptumHealth International B.V. | | Netherlands | | RIO Holdings, Inc. | | |
| OptumHealth Investment Advisers, Inc. | | DE | | OptumHealth Financial Services, Inc. | | |
| OptumHealth Specialty Benefits, Inc. | | DE | | OptumHealth Holdings, LLC | | |
| OptumHealth, LLC | | DE | | United HealthCare Services, Inc. | | |
| Ovations, Inc. | | DE | | United HealthCare Services, Inc. | | |
| Oxford Benefit Management, Inc. | | CT | | Oxford Heath Plans LLC | | |
| Oxford Health Insurance, Inc. | | NY | | Oxford Health Plans (NY), Inc. | | |
| Oxford Health Plans (CT), Inc. | | CT | | Oxford Heath Plans LLC | | |
| Oxford Health Plans (NJ), Inc. | | NJ | | Oxford Heath Plans LLC | | |
| Oxford Health Plans (NY), Inc. | | NY | | Oxford Heath Plans LLC | | |
| Oxford Heath Plans LLC | | DE | | UnitedHealth Group Incorporated | | Oxford Agency - Oxford Health Plans, Inc. |
| PacifiCare Dental of Colorado, Inc. | | CO | | PacifiCare Health Plan Administrators, Inc. | | |
| PacifiCare Health Plan Administrators, Inc. | | IN | | PacifiCare Health Systems, LLC. | | Dental Strategies PacifiCare Dental PacifiCare Dental & Vision PacifiCare Dental and Vision PacifiCare Dental & Vision Administrators PacifiCare Dental and Vision Administrators PacifiCare Vision |
| PacifiCare Health Systems, LLC | | DE | | UnitedHealth Group Incorporated | | |
| PacifiCare International Limited | | Ireland | | PacifiCare Health Plan Administrators, Inc. | | |
| PacifiCare Life and Health Insurance Company | | IN | | PacifiCare Health Plan Administrators, Inc. | | UnitedHealthOne |
| PacifiCare Life Assurance Company | | CO | | PacifiCare Health Plan Administrators, Inc. | | UnitedHealthOne |
| PacifiCare of Arizona, Inc. | | AZ | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons |
| PacifiCare of California | | CA | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons UnitedHealthcare of California |
| PacifiCare of Colorado, Inc. | | CO | | PacifiCare Health Plan Administrators, Inc. | | Comprecare, Inc. Secure Horizons |
| PacifiCare of Nevada, Inc. | | NV | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons |
| PacifiCare of Oklahoma, Inc. | | OK | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare PacifiCare Health Options PacifiCare of Oklahoma Secure Horizons |
| PacifiCare of Oregon, Inc. | | OR | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons |
| PacifiCare of Texas, Inc. | | TX | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons |
| PacifiCare of Washington | | WA | | PacifiCare Health Plan Administrators, Inc. | | PacifiCare Secure Horizons |
| PacificDental Benefits, Inc. | | DE | | OptumHealth, LLC | | PDS Acquisition Corporation |
| Passport Coast-to-Coast LLC | | DE | | United HealthCare Services, Inc. | | |
| Personal Performance Consultants India Private Limited | | India | | OptumHealth International B.V. | | |
| Personal Performance Consultants UK Limited | | UK | | PPC International, L.L.C. | | |
| Physicians Heath Plan of Maryland, Inc. | | MD | | Mid Atlantic Medical Services, LLC | | |
| Picis (Wisconsin), Inc. | | WI | | Picis, Inc. | | |
| Picis Research & Development, S.A. | | Spain | | Picis, Inc. | | |
| PICIS Solutions, Inc. | | DE | | Ingenix, Inc. | | |
| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| Picis, Inc. | | DE | | PICIS Solutions, Inc. | | |
| Picis, Ltd. | | UK | | Picis, Inc. | | |
| Picis, S.A.S. | | France | | Picis Research & Development, S.A. | | |
| PPC (Shanghai) Management Consulting Co., Ltd | | PRC | | PPC International, L.L.C. | | |
| PPC International II, LLC | | MO | | United Behavioral Health | | |
| PPC International, L.L.C. | | MO | | RIO Holdings, Inc. | | |
| PPC Worldwide Canada EAP Services Ltd. | | Canada | | PPC International, L.L.C. | | Internlock Employee and Family Assistance |
| PPC Worldwide Holdings Pty. Ltd. | | Australia | | Personal Performance Consultants UK Limited | | |
| PPC Worldwide Management Pty. Ltd. | | Australia | | Personal Performance Consultants UK Limited | | |
| PPC Worldwide Pty. Ltd. | | Australia | | Personal Performance Consultants UK Limited | | |
| PPC Worldwide Unit Trust | | Australia | | Personal Performance Consultants UK Limited | | |
| ppoONE, Inc. | | DE | | Ingenix, Inc. | | |
| Prescription Solutions Holdings, LLC | | DE | | RIO Holdings, Inc. | | |
| Prime Health, Inc. | | NV | | Sierra Health Services, Inc. | | Med One Works |
| ProcessWorks, Inc. | | WI | | UnitedHealthcare, Inc. | | |
| PsychCME, Inc. | | DE | | Ingenix, Inc. | | |
| QualityMetric Incorporated | | DE | | Ingenix Pharmaceutical Services, Inc. | | i3 QualityMetric |
| Receivable Process Management, Inc. | | GA | | Third Millennium Healthcare Systems, Inc. | | |
| Red Oak E-Commerce Solutions, Inc. | | VA | | Ingenix, Inc. | | |
| RIO Holdings, Inc. | | DE | | United HealthCare Services, Inc. | | |
| Romania i3 Research Ingenix S.R.L. | | Romania | | Ingenix International (Netherlands) B.V. | | |
| Rx Solutions NY IPA, Inc. | | NY | | RxSolutions, Inc. | | |
| RxSolutions, Inc. | | CA | | Prescription Solutions Holdings, LLC | | Prescription Solutions PRESCRIPTION SOLUTIONS FirstLine Medical |
| ScriptSwitch Holdings Limited | | UK | | Ingenix UK Holdings Limited | | |
| ScriptSwitch Limited | | UK | | ScriptSwitch Holdings Limited | | |
| Sheridan Re, Inc. | | AZ | | United HealthCare Services, Inc. | | |
| Sierra Health and Life Insurance Company, Inc. | | CA | | Sierra Health Services, Inc. | | |
| Sierra Health Services, Inc. | | NV | | UnitedHealthcare, Inc. | | |
| Sierra Health-Care Options, Inc. | | NV | | Sierra Health Services, Inc. | | |
| Sierra Home Medical Products, Inc. | | NV | | Sierra Health Services, Inc. | | THC of Nevada THC of Nevada Pharmacy |
| Sierra Nevada Administrators, Inc. | | NV | | Sierra Health Services, Inc. | | |
| Southwest Medical Associates, Inc. | | NV | | Sierra Health Services, Inc. | | Southwest Hospitalist Services Group SMA Lifestyle Center |
| Southwest Michigan Health Network Inc. | | MI | | UnitedHealthcare, Inc. | | |
| Spectera of New York, IPA, Inc. | | NY | | Spectera, Inc. | | |
| Spectera, Inc. | | MD | | OptumHealth, LLC | | CARE Programs, a division of Spectera, Inc. Spectera United Optical |
| The Lewin Group, Inc. | | NC | | Ingenix Public Sector Solutions, Inc. | | |
| Third Millennium Healthcare Systems, Inc. | | DE | | CareMedic Systems, Inc. | | |
| Three Rivers Holdings, Inc. | | DE | | AmeriChoice Corporation | | |
| U.S. Behavioral Health Plan, California | | CA | | United Behavioral Health | | OptumHealth Behavioral Solutions of California |
| UHC International Services, Inc. | | DE | | UnitedHealth Group Incorporated | | |
| UHIC Holdings, Inc. | | DE | | United HealthCare Services, Inc. | | |
| UMR Care Management, LLLP | | DE | | United HealthCare Services, Inc. | | UMR Care Management, LLP UMR Care Management, LLLP, LTD. ValueCHECK VALUECHECK |
| UMR, Inc. | | DE | | United HealthCare Services, Inc. | | Avidyn Health Fiserv Health - Wausau Benefits Fiserv Health - Kansas UMR UMR, Inc. |
| Unimerica Insurance Company | | WI | | OptumHealth Holdings, LLC | | Unimerica Life Insurance Company |
| Unimerica Life Insurance Company of New York | | NY | | UnitedHealthcare Insurance Company | | |
| Union Health Solutions, Inc. | | CA | | PacifiCare Health Systems, LLC. | | |
| Unison Administrative Services, LLC | | PA | | Three Rivers Holdings, Inc. | | |
| Unison Health Plan of Delaware, Inc. | | DE | | Three Rivers Holdings, Inc. | | |
| Unison Health Plan of Ohio, Inc. | | OH | | Three Rivers Holdings, Inc. | | Unison Unison Kids Unison ABD Plus Unison Health Plan Unison Advantage |
| Unison Health Plan of Tennessee, Inc. | | TN | | Three Rivers Holdings, Inc. | | Unison Unison Kids Unison Health Plan Unison Advantage |
| Unison Health Plan of the Capital Area, Inc. | | DC | | Three Rivers Holdings, Inc. | | Unison Health Plan |
| | | | | | |
Name of Entity | | State of Jurisdiction or Domicile | | Subsidiary of Entity | | Doing Business As |
| United Behavioral Health | | CA | | United HealthCare Services, Inc. | | OPTUMHEALTH BEHAVIORAL SOLUTIONS Plan 21, INCORPORATED United Behavioral Health (Inc.) United Behavioral Health, Inc. |
| United Behavioral Health of New York, I.P.A., Inc. | | NY | | United Behavioral Health | | |
| United Health Foundation | | MN | | UnitedHealth Group Incorporated | | United Health Hospice Foundation |
| United HealthCare Services, Inc. | | MN | | UnitedHealth Group Incorporated | | AmeriChoice Center for Health Care Policy and Evaluation Charter HealthCare, Inc. Employee Performance Design Evercare Healthmarc HealthPro Health Professionals Review Optum UHC Management UHC Management Company UHC Management Company, Inc. Unimerica Workplace Benefits United HealthCare Corporation United HealthCare Management Company, Inc. United HealthCare Management Services United HealthCare Services of Minnesota United HealthCare Services of Minnesota, Inc. United Resource Networks United Resource Networks, Inc. UnitedHealth Products |
| United Resource Networks IPA of New York, Inc. | | NY | | OptumHealth Care Solutions, Inc. | | |
| UnitedHealth Advisors, LLC | | ME | | United HealthCare Services, Inc. | | UnitedHealthcare |
| UnitedHealth Capital, LLC | | DE | | United HealthCare Services, Inc. | | |
| UnitedHealth Group Incorporated | | MN | | N/A | | UnitedHealth Group |
| UnitedHealth Group Information Services Private Limited | | India | | UnitedHealth Group International B.V. | | |
| UnitedHealth Group International B.V. | | Netherlands | | UnitedHealth Group Incorporated | | |
| UnitedHealth International, Inc. | | DE | | UnitedHealth Group Incorporated | | |
| UnitedHealth Military & Veterans Services, LLC | | DE | | United HealthCare Services, Inc. | | |
| UnitedHealth Primary Care Limited | | UK | | UnitedHealth UK Limited | | |
| UnitedHealth Primary Care Plus Limited | | UK | | UnitedHealth UK Limited | | |
| UnitedHealth UK Limited | | UK | | Ingenix UK Holdings Limited | | |
| UnitedHealthcare India (Private) Limited | | India | | UnitedHealth Group International B.V. | | |
| UnitedHealthcare Insurance Company | | CT | | UHIC Holdings, Inc. | | UnitedHealthOne |
| UnitedHealthcare Insurance Company of Illinois | | IL | | UnitedHealthcare Insurance Company | | |
| UnitedHealthcare Insurance Company of New York | | NY | | UnitedHealthcare Insurance Company | | |
| UnitedHealthcare Insurance Company of Ohio | | OH | | UnitedHealthcare Insurance Company | | |
| UnitedHealthcare Insurance Company of the River Valley | | IL | | UnitedHealthcare Services Company of the River Valley, Inc. | | |
| UnitedHealthcare International Asia, LLC | | DE | | UnitedHealth Group Incorporated | | |
| UnitedHealthcare of Alabama, Inc. | | AL | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Arizona, Inc. | | AZ | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Arkansas, Inc. | | AR | | UnitedHealthcare, Inc. | | Complete Health |
| UnitedHealthcare of Colorado, Inc. | | CO | | UnitedHealthcare, Inc. | | MetraHealth Care Plan |
| UnitedHealthcare of Florida, Inc. | | FL | | UnitedHealthcare, Inc. | | AMERICHOICE EVERCARE AT HOME OPTUMHEALTH OVATIONS |
| UnitedHealthcare of Georgia, Inc. | | GA | | UnitedHealthcare, Inc. | | United HealthCare of Georgia |
| UnitedHealthcare of Illinois, Inc. | | IL | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Kentucky, Ltd. | | KY | | United HealthCare Services, Inc. | | |
| UnitedHealthcare of Louisiana, Inc. | | LA | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Mississippi, Inc. | | MS | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of New England, Inc. | | RI | | United HealthCare Services, Inc. | | Ocean State Physicians Health Plan |
| UnitedHealthcare of New York, Inc. | | NY | | AmeriChoice Corporation | | AmeriChoice |
| UnitedHealthcare of North Carolina, Inc. | | NC | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Ohio, Inc. | | OH | | United HealthCare Services, Inc. | | |
| UnitedHealthcare of Pennsylvania, Inc. | | PA | | Three Rivers Holdings, Inc. | | Unison Health Plan & Unison Advantage |
| UnitedHealthcare of South Carolina, Inc. | | SC | | Three Rivers Holdings, Inc. | | |
| UnitedHealthcare of Tennessee, Inc. | | TN | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Texas, Inc. | | TX | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of the Great Lakes Health Plan, Inc. | | MI | | AmeriChoice Corporation | | |
| UnitedHealthcare of the Mid-Atlantic, Inc. | | MD | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of the Midlands, Inc. | | NE | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of the Midwest, Inc. | | MO | | UnitedHealthcare, Inc. | | |
| UnitedHealthcare of Utah, Inc. | | UT | | UnitedHealthcare, Inc. | | |
