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Refineries
- Alexandria Petroleum Company (APC).
- Nasr Petroleum Company (NPC).
- Amerya Petroleum Refining Company (APRCO).
- Suez Oil Processing Company (SOPC).
- Cairo Oil Refining (CORC).
- Middle East Oil Refinery (MIDOR)
- Assiut oil Refining Company (ASORC)
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Production Companies
- Gulf of Suez Petroleum Company (GUPCO)
- Balayim Petroleum Company (Petrobell)
- Suez Oil Company (SUCO).
- Western Desert Petroleum Company (WEPCO)
- Badr El Din Petroleum Company (Bapetco)
- General Petroleum Company (GPC)
- Agiba.
- Geisum Oil Company
- Oarun Petroleum Company.
- Rashid Petroleum Company.
- United gas derivative Company (UGDC)
- Burulus gas Company
- Methanex
- Khalda Petroleum Company
- Egyptian Bahraini Gas Derivatives Company
- Double South Dabaa Petroleum Company
- Petrogulf Misr Company
- North Sinai Petroleum Company
- Pharaonic Petroleum Company
- Esh El Mallaha Petroleum Company
- Gemsa Petroleum Company
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Petroleum Products
- Alexandria Mineral Oils Company (AMOC)
- Alexandria National Refining and Petrochemicals Company (ANRPC)
- Alexandria Specialty Petroleum Products Company(ASPEC)
- Alexandria Company for Petroleum Additives (ACPA)
- Misr Canada For Production And Blending Lube Oil – MCL
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EPCs
- Engineering For The Petroleum And Process Industries (ENPPI)
- Petroleum Projects and Technical Consultations Company (PETROJET)
- Egyptian Maintenance Company (EMC)
- Alexandria Petroleum Maintenance Company(PETROMAINT)
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Pipelines companies
- Petroleum pipe lines – PPC
- The Arab Petroleum Pipelines Company – SUMED
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Gas Distributions
- Egyptian Natural Gas Company (GASCO)
- Egyptian Town Gas (ETG)
- Egypt Gas
- National Gas Company (NATGAS)
- TAQA Group
- REPCO Gas
- Nile Valley Gas Company (NVGC)
- City Gas Company TRANS Gas Company
- Fayum Gas Company
- National Gas S.A.E
- Sinai GAS
- Cairo Gas
- Regions Company (REGAS)
- Maya Gas
- Overseas gas
- Nubaria Gas Company
- Abu Kir Power Station
- Attaka Power Station
- Damanhour Power Station
- Shoubra El Khema Power Station
- El Kurimat Power Station
- Sidi Krir Generating Company
- Suez Gulf Power SAE
- Port Said East Power SAE
- Ayoun Moussa Power Station
- EDF Power Station
- Cairo North Power Station.
- El Noubarya Power Station
- El Tebin Power Station
- North Giza Power Station
- EL Delta Company For Fertilizers And Chemical Industries (ASMEDA)
- Egyptian Fertilizers Company (EFC)
- Qena Paper Company
- Alexandria Carbon Black
- Alexandria Portland Cement
- Dekhela Steel Company
- Abu Zaabal Fertilizer
- Suez Fertilizer Company
- Trust Chemical Company
- Egyptian Propylene & Polypropylene Company (EPP)
- Misr Fertilizers Production Company (MOPCO)
- Cargill
- Abu Qir Fertilizers company
- Suez Steel Company
- Egypt Basic Industries Corporation (EBIC)
- Oriental Petrochemicals Company (OPC)
- Egyptian Linear Alkyl Benzene(ELAB)