Health Maintenance Organizations (NHIS)
- Hygeia Nigeria Limited
- Total Health Trust Limited
- Clearline International Limited
- Healthcare International Limited
- Mediplan Healthcare Limited
- Multi-Shield Nigeria Limited
- United Healthcare International Limited
- Ronsberger Nigeria Limited
- International Health Management Services Ltd
- Songhai Health Trust Limited
- Integrated Healthcare Limited
- Premier Medicaid Limited
- Managed Healthcare Services Limited
- Princeton Health Group
- Maayoit Healthcare Limited
- Wise Health Services
- Healthcare Security Limited
- Wetland Health Services Limited
- Royal Health Maintenance Services
- Arewa Health Maintenance Services
- Zuma Health Trust
- Venus Medicare Limited
- Defence Health Maintenance Limited
- Markfema Nigeria Limited
- Prepaid Medicare Services Limited
- Expatcare Health International Limited
Health Maintenance Organizations (PRIVATE)
- International Health Management Services Ltd
- Hygeia Nigeria Limited
- Healthcare International Limited
- Oceanic Health Private
- Expatcare Health Int’l Ltd
- Novo Health Africa
- Non-Such HMO
- AXA-Masanrd Ltd
- Achor Heath
- Health Partners
- Prohealth
- Avon Health
- Marina HMO Ltd
- Sterling Health
- Royal Exchange
- Healthcare Security Limited
- Roding Healthcare Ltd
- Managed Healthcare Ltd
- Mediplan Healthcare
- MSO Nigeria
- AIICOMultishield NIgeria Limited
- Venus Medicare Ltd
Companies
- Central Bank Of Nigeria
- Transmission Company Of Nigeria
- Ringardas Nigeria
- Diamond Bank
- Seven-Up
- UAC of Nigeria Plc
- United Nations
