The Social Security Investment Company (SSIC aka "SHASTA")[11] Sadere Tamin Company (Tile and Ceramic) Tamin Chemical and Petrochemical Investment Company Tamin Gas and Oil Investment Company Tamin Pharmaceutical Investment Company Tamin Nourishment Investment Company Pars Hotels Investment Company Saba Tamin Company RighTel (Telecom) Iran Khanesazi Investment Company (housing) Refah Bank The Tamin ICT & Management Consultancy Service Company Social Security Auditing Company Social Security Real Estate Agency Kar & Tamin Company Homa Hotel Group The SSO Milad-e-Salamat Health and Medical Institute Hekmat Medical Group Company (ltd.)