- Agiba Petroleum Company
- Alamein Petroleum Company
- Alexandria Company for Petroleum Additives (ACPA)
- Alexandria Mineral Oils Company (AMOC)
- Alexandria National Refining and Petrochemicals (ANRPC)
- Alexandria Petroleum Company (APC)
- Alexandria Petroleum Maintenance Company (Petromaint)
- Alexandria Petroleum Products (ASPPC)
- Amal Petroleum Company (AMAPETCO)
- Amerya Petroleum Refining Company (APRC)
- Arab Petroleum Pipelines Company (Sumed)
- Belayim Petroleum Company (Petrobel)
- Cairo Oil Refining Company (CORC)
- East Zeit Petroleum Company (Zeitco)
- Egypt Gas
- Egyptian Bahraini Gas Dervatives Company (EBGDCO)
- Egyptian Company for Refrigeration by Natural Gas (GasCool)
- Egyptian Drilling Company (EDC)
- Egyptian Estyrenics Production Company
- Egyptian Linear Alkyl Benzene Company (ELAB)
- Egyptian Liquefied Natural Gas (ELNG)
- Egyptian Maintenance Company (EMC)
- Egyptian Natural Gas Company (GASCO)
- Egyptian Petrochemicals Company (EPC)
- Egyptian Refining Company (ERC)
- Egyptian Valves Company (EVACO)
- Engineering for the Petroleum & Process Industries (Enppi)
- Esh Mallaha Petroleum Company (Eshpetco)
- Fanar Petroleum Company
- Gabal El-Zeit Petroleum Company
- GEMSA Petroleum Company (GEMPETCO)
- General Petroleum Company (GPC)
- Gulf of Suez Petroleum Company (Gupco)
- Khalda Petroleum Company
- Middle East Oil Refinery(MIDOR)
- Nasr Petroleum Company (NPC)
- Offshore Shukeir Oil (OSOCO)
- PetroGulf Misr Company
- Petroleum Pipelines Company (PPC)
- Petrosilah Petroleum Company
- Qarun Petroleum Company (QPC)
- Rashid Petroleum Company (Rashpetco)
- Sidi Kerir Petrochemicals Company (Sedpec)
- Sino Tharwa Drilling Company
- South Dabaa Petroleum Company (Dapetco)
- Suez Oil Petroleum Company (SUCO)
- Offshore Shukheir Oil Company (OSOCO)
- The Egyptian Ethylene and Derivatives Company (Ethydco)
- The Middle East Oil Tankage and Pipelines (MIDTAP)
- The Middle East Operation & Maintenance For Hydrocarbon Industry (MIDOM)
- The Petroleum Project & Technical Consultations Company (PETROJET)
- Town Gas Company (Town Gas)
- United Gas Derivatives Company (UGDC)
- Tanmia Petroleum Company
- Cairo Electricity Production Company
- East Delta Electricity Production Company
- Elsewedy-PSP Power System Projects
- Hydro Plants Electricity Production Company
- Middle Delta Electricity Production Company
- Sidi Krir Generating Company
- Siemens Technologies S.A.E.
- Upper Egypt Electricity Production Company
- West Delta Electricity Production Company
- Abu Qir Fertilizer (AQF)
- Alexandria Fertilizer (EKH)
- EBIC Egyptian Basic Industries Corporation (OCI)
- EFC Egyptian Fertilizer (OCI)
- Egypt Kuwait Holding (EKH)
- El Delta Fertilizers and Chemical Industries (ASMEDA)
- Evergrow For Speciality Fertilizer
- HFC Helwan Fertilizer
- Indo-Egyptian Fertilizer (IFCO)
- MOPCO Misr Fertilizer
- SEMADCO El Nasr Fertilizer
- Acrow Misr
- Air Liquide Egypt
- Al Bardi Paper Mill Company (Fine)
- Al Sharkeya Sugar Manufacturing (Al Nouran)
- Alexandria Carbon Black Company
- Alnasr for Electrical Supplies
- Alroubaia Textile Company
- Al-Watania Poultry
- Anasia Egypt for Trading S.A.E
- Arab Contractors
- Arab Swiss Engineering Company (ASEC)
- CONSUKORRA FOR TRADE AGENCIES & TECHNICAL CONSULTATION
- Egyptian German Porcelain Company (EGPCO)
- Egyptian Steel
- Egypto Energy Company
- El Taqwa For General Supplies, Import & Export
- Genral Motors Egypt
- Ghabbour Auto - Itamco
- Gulsan Egypt For Non-Woven Industries
- Hayat Egypt Hygienic Products
- Integrated Engineering Group (IEGco)
- IPI - Interstate Paper Industries
- Kandil Steel
- Misr Polymers Industries (Lasheen for Flexible Packaging)
- Nile Sugar
- Nobaria Sugar and Refining Company (NSRC)
- Novartis Egypt
- Quena Paper Industry Company
- Saint-Gobain Glass Egypt
- Samaya Electronics Egypt
- Suez Steel
- Sunny Pharmaceutical
- The Arab Company for Special Steel (ARCOSTEEL)
- The National Company For Glass & Crystal (NCGC)