1. Petroleum Sector:
    • The Egyptian General Petroleum corporation (EGPC).
    • The Egyptian Natural Gas Holding Company (EGAS).
    • The Egyptian Natural Gas Company (GASCO).
    • The Petroleum Projects and Technical Consultations Company (PETROJET).
    • Engineering for Petroleum & Process industries (ENPPI).
  2. Foreign investors:
    • Methanex.
    • Agrium.
    • Arab Petroleum Investments corporation (APICORP).
    • Unichema: Royal Chemicals Company.
    • Dhunseri Petrochem and Tea Ltd.
    • Dysa Holding Company Ltd.
    • The Arab Investment Company.
    • Amwal AL-Khaleej Company.
    • Birla.
  3. Egyptian Private Sector:
    • Oriental Weavers (OW).
    • Oriental Petrochemicals Company (OPC).
  4. Ministry of Finance.