1. PROFIT COMPANIES
   1. Public companies
      1. secretaries
      2. investments
      3. shareholders
      4. stock exchange
      5. registered as "Ltd"
   2. Private companies
      1. secretaries
      2. no shares to public
      3. separate legal entity
      4. co-owners/members
      5. registered as "(Pty) Ltd"
   3. State-owned companies
      1. secretaries
      2. metro bus
      3. national zoo
      4. public libraries
      5. registered as "(SOC) Ltd"
   4. Personal liability companies
      1. secretary
      2. debts liabilities
      3. joined directors
      4. registered as "Inc"
      5. no shares to public
2. NON-PROFIT COMPANIES
   1. directors
   2. public benefit
   3. social activities
   4. cultural activities
   5. registered as "NPC"
3. PARTNERSHIPS
   1. contract
   2. shared profit
   3. shares in net loss
   4. dissolution of assets
   5. two or more partners
      1. 00：00 ~ 00：00
         1. yoga
   6. contribution to capital
4. CLOSE CORPORATIONS
   1. management
   2. member's interest
   3. registered as "CC"
   4. no shares to public
   5. separate legal personality
5. BUSINESS TRUSTS
   1. creditor
   2. trustees
   3. beneficiaries
   4. estates duties
   5. preservation of wealth
6. EXTERNAL COMPANIES
   1. foreign profit companies
   2. foreign non-profit companies (NGO)