| Abu Dbabi Gas processing Co | |
| Abu Dhabi Oil Refining Company Takreer | |
| Aditya Birla Group - Mumbai, India | |
| Advanced Aromatics L.P. - Baytown, USA | |
| Advanced Polypropylene Company - Jubail Saudi Arabia | |
| Agippetroli - Livorno Refinery , Italy | |
| Air Liquide - IL, USA | |
| Air Liquide - Les Loges en Josas, France | |
| Air Products - Allentown, PA, USA | |
| Air Products & Chemicals - Calvert City, USA | |
| Air Products PLC - Walton-On-Thames, UK | |
| akzonobel-chemicals - dobbs ferry, USA | |
| Alexandria Petroleum company, Egypt | |
| Amoco Mitsui - CILEGON, INDONESIA | |
| Anglo American Sunninghill, New Zeland | |
| api raffineria - Falconara Marittima, Italy | |
| Arabian Petrochemical Co. - Al-Jubail, Saudi Arabia | |
| Aramco Services Company - Texas, USA | |
| Aromatics Thailand | |
| ASARCO Inc - Ray Complex, Arizona, USA | |
| Atofina - Feluy, Belgium | |
| ATOFINA Petrochemicals, Inc. - Port Arthur, USA | |
| Attock Refinery Ltd - Rawalpindi, India | |
| Bahrain Petroleum Company - AWALI | |
| Ballance Agri-Nutrients - New Zeland | |
| Bapco - Engineering Div. - Bahrain | |
| Bapco Refinery - Bahrain | |
| BASF - Antwerp , Belgium | |
| BASF - Geismar, URUGUAY | |
| BASF - Ludwigshafen, Germany | |
| BASF - Port Arthur,Texas, USA | |
| BASF YPC - Nanjin, China | |
| Basell - Wesseling, Germany | |
| BayernOil Raffinerigesellschaft - Germany | |
| Bayer Technology - Shanghi, China | |
| Belgian Energy Technologies | |
| Bharat Petroleum - B.P.C.L (Refinery), India | |
| BP - Aberdeen, UK | |
| BP Brussels, Belgium | |
| BP Oil Alliance Refinery Texas City , USA | |
| BP Chemicals (Innovene) - Houston , USA | |
| BP Chemicals - Lima Ohio, USA | |
| BP CHEMICALS LTD - HULL, UK | |
| BP Coryton Refinery - UK | |
| BP Geel - BELGIUM | |
| BP Grangemouth - UK | |
| BP Indonesia | |
| BP Lavera sas - France | |
| BP Naperville - IL, USA | |
| BP Neder-Over-Hembeek - Brussels, Belgium | |
| BP Refinería de Castellon - Spain | |
| BP - Europoort, Netherlands | |
| BP Scotland | |
| BP Solvay PE - North America | |
| BP Sunbury - UK | |
| BP Texas City, USA | |
| BP LNG Tangguh - Indonesia | |
| Braskem S.A - Camaçari, Brazil | |
| Braskem S.A - Porto Alegre, Brazil | |
| British Sugar - Nottingham, UK | |
| British Sugar - Peterborough, UK | |
| Caltex lytton Refinery - Australia | |
| Caltex Australia Pty Ltd - Kurnell | |
| Cargill - Bergen op Zoom, Netherlands | |
| C&P ENGENHARIA - SAO PAULO, Brazil | |
| Celanese - Bishop Facility, Texas, USA | |
| Celanese - Clear Lake, USA | |
| Celanese - Pardies, France | |
| Cement Thai | |
| Centro Tecnológico de Repsol - Madrid, Spain | |
| CEPSA - San Roque - Cadiz, Spain | |
| Chennai Petroleum Corporation Ltd - India | |
| ChevronTexaco Caltex Refinery - Cape Town, South Africa | |
| ChevronTexaco Richmond - California, USA | |
| ChevronTexaco - Pembroke Refinery, Wales, UK | |
| Complejo Industrial barrancabermeja (Ecopetrol) - Colombia | |
| ConocoPhillips - Grimsby, UK | |
| ConocoPhillips - Humber Refinery, UK | |
| ConocoPhillips - RODEO, CA | |
| ConocoPhillips - Seal Beach California, USA | |
| ConocoPhillips - West Perth, AUSTRALIA | |
| ConocoPhillips Whitegate Refinery - Irland | |
| Copesul - Polo Petroquímico de Triunfo - Brazil | |
| Copesul - Companhia Petroquimica dos Sul | |
| Dalian Petrochemical Corporation Petro-China, CHINA | |
| Dow - Alberta , Canada | |
| Dow Chemical Company - Lake Jackson, Texas, USA | |
| Dow - Freeport, USA | |
| Dow Chemicals company - Houston, USA | |
| Eastman Chemical Company - Longview, TX USA | |
| Ecopetrol - Cartagena Colombia | |
| Ecopetrol - Gerencia Complejo Barrancabermeja Colombia | |
| Eleme Petrochemicals Co. Ltd. - Port-Harcourt Nigeria | |
| ENAP Refinery, Chile | |
| Engen Petroleum PTY LTD , South Africa | |
| ENGEN Refinery - South Africa | |
| ENGRO CHEMICAL PAKISTAN LIMITED | |
| Eni - Gela, Italy | |
| Eni Pakistan Ltd | |
| ENI Refining & Marketing - Rome, Italy | |
| EniTecnologie - Italy | |
| Equistar Chemicals, LP - Channelview, Texas, USA | |
| Equistar Chemicals, LP - Deer park, USA | |
| EVC ITALIA S.p.a. | |
| ESSO Deutschland GmbH - Ingolstadt, Germany | |
| ExxonMobil - Baytown, USA | |
| Exxonmobil - Singapore | |
| Exxonmobil Chemical - Singapore | |
| ExxonMobil Chemical Company - Kingwood, USA | |
| FERRO CORP - LA, USA | |
| Fina Antwerp Olefins - Belgium | |
| Firestone polymers - USA | |
| Flint Hills Resources - Corpus Christi, Texas, USA | |
| Fortum Oil and Gas - Provo, Finland | |
| Fonterra Dairy company - New Zeland | |
| Frontier Refining Inc. - El Dorado, USA | |
| Frontier Refining Inc. - Cheyenne, USA | |
| GAIL INDIA LIMITED - Uttar Pradesh, India | |
| Galp Energia - SINES REFINERY, Portugal | |
| GASCO - Khalifa complex, abu dhabi | |
| Gasco - Ruwais, UAE | |
| GeorgiaPacific Corp - Chemical Div, USA | |
| GUJARAT STATE PETROLEUM CORPORATION LTD. - Gandhinagar, India | |
| Hercules Doel bvba, Belgium | |
| Hellenic Petroleum - Attiki Greece | |
| Hindustan Petroleum Corporation Limited - Mumbai Refinery, India | |
| HPCL Refinery - Andhra Pradesh, India | |
| Huntsman Freeport, USA | |
| Huntsaman - Kemaman, Malaysia | |
| Huntsman Petrochemicals - North Tees, UK | |
| Huntsman - West Footscray, Australia | |
| Huntsman - Wilton Centre, UK | |
| Ibn-Rushd - Yanbu Industrial city, Saudi Arabia | |
| India Glycols Ltd., Kashipur | |
| Indian Oil Corp. Ltd - Barauni refinery | |
| Indian Oil Corp. Ltd - Gujarat Refinery | |
| Indian Oil Corp. Ltd - Haldia Refinery | |
| Indian Oil Corp. Ltd - Mathura Refinery | |
| Indian Oil Corp. Ltd - Panipat Refinery | |
| Indian Oil Corp. Ltd - Refinery Para | |
| Indian Petrochemicals corporation Limited (IPCL) , EOEG PLANT | |
| Innovene - Grangemouth, UK | |
| INVERSIONES MOLINOS, C.A. - Puerto La Cruz, VENEZUELA | |
| INVISTA Inc, Waynesboro, VA, USA | |
| Ipiranga Petroquimica, Triunfo - RS - Brazil | |
| Irving Oil Ltd - New Brunswick, Canada | |
| Japan Energy Corp. - Mizushima | |
| KADUNA Refinery and Petrochemical Company - NNPC, Nigeria | |
| Kaltim Pasifik Amoniak, PT - Bontang, Indonesia | |
| Kochi Refineries Limited, Kochi, India | |
| Kochi Refineries Limited, Cochin, India | |
| Kuwait National Petroleum Company - MAA REFINERY | |
| Kuwait National Petroleum Company - MAB refinery | |
| Kuwait National Petroleum Company - Shuaiba Refinery | |
| Kuwait oil co. , Ahmadi | |
| Kuwait Petroleum Europoort BV - Netherland | |
| Larsen & Toubro Limited - Baroda, India | |
| LGC - Houston, Texas, USA | |
| LG-Caltex Oil - Yeosu City, Republic of South Korea | |
| LG Chem - Daejon Republic of South Korea | |
| Lsgas - Hsinchu TAIWAN | |
| LUKOIL - Perm Russia | |
| Lukoil-Inform - Perm Russia | |
| Lyondell Chemie Nederland | |
| Lyondell - Channelview, USA | |
| Lyondell-Citgo - Houston, Texas | |
| Malaysian LNG | |
| Mangalore Refinery and Petrochemicals Limited, India | |
| Marathon Ashland Petroleum, Robinson, Illinois, USA | |
| Marathon Ashland Petroleum, Texas , USA | |
| Met-Mex Penoles - Mexico | |
| Millennium Chemicals, Florida, USA | |
| Millennium Chemicals, Grimsby, UK | |
| Millennium Chemicals, Stallingborough, UK | |
| Mineraloelraffinerie Oberrhein GmbH & Co. KG (MiRO), Karlsruhe, Germany | |
| Misr petroleum co. - Cairo, Egypt | |
| Mitsubishi Chemical Corp. - Kurashiki, Okayama, Japan | |
| MOL Hungarian Oil and Gas Plc. - Százhalombatta | |
| MRPL - Mangalore India | |
| Murco Petroleum Ltd - St Albans,UK | |
| Murphy Oil USA Meraux Refinery - LA, USA | |
| Nagarjuna Oil Corporation Limited, Cuddalore, India | |
| Nagarjuna fertilizers and chemicals ltd - Kakinada, India | |
| National Fertilizers Limited, Vijaipur, India | |
| National Iranian gas - Tehran | |
| Natref - Sasolburg, South Africa | |
| NESTLE - ORBE, Switzerland | |
| Nestle - Amsterdam, Netherlands | |
| Nestle - Marysville, USA | |
| NIPPON OIL CORPORATION - Tokyo, JAPAN | |
| NOVA Chemicals Corporation Ltd. - Alberta , Canada | |
| NovaChemicals Corporation Ltd. - Pennsylvania , USA | |
| Numaligarh Refinery Ltd - India | |
Nynas Refining - Nynäshamn, Sweden |
|
| Oil & Natural Gas Corporation Limited - Gujarat State, India | |
| Oil Refineries Ltd. (ORL) - Shimshit, Israel | |
| Oil Refineries Ltd. (ORL) - Haifa, Israel | |
| Oil Refinery Pancevo - Yugoslavia | |
| Oil & Natural Gas Company (ONGC ) - Nagar, India | |
| OMV Refining & Marketing - Schwechat, Austria | |
| Oryx GTL ltd - Qatar | |
| Pakistan Refinery Limited, Karachi | |
| Parco Midcountry Refinery - Pakistan | |
| Pasabahce - Mersin, Turkey | |
| PDVSA - Caracas, Venezuela | |
| Pemex Refineria - tula hidalgo, Mexico | |
| Penoles - Quimica del Rey, Mexico | |
| Perstorp Specialty Chemicals - Perstorp Sweden | |
| Pertamina - Dumai, Sumatra, Indonesia | |
| Pertamina - Jakarta, INDONESIA | |
| Petkim Petrokimya Hol.A.S., Aliaga/IZMIR Turkey | |
| Petrichemical Industries Company, Shuaiba, Kuwait | |
| Petrobras S.A. - Cubatao | |
| Petrobras - Bahía Blanca, Argentina | |
| Petrobras S.A - Capuava/Mauá, Brazil | |
| Petrobras S.A. - Manaus, Brazil | |
| Petrobras S.A - REFAP, Brazil | |
| Petrobras - S.A. Santos, Brazil | |
| Petrobras - S.A. Sao Jose dos Campos, Brazil | |
| Petro Canada -Edmonton, Canada | |
| Petro Canada - Montreal, Canada | |
| Petro Canada - Oakville, Canada | |
| Petrochemical Corporation of Singapaore | |
| Petrogal - Leça da Palmeira Portugal | |
| PETROKEMYA - Jubail Saudi Arabia | |
| PETROKEMYA Olefins-I - Jubail Saudi Arabia | |
| Petroleum Development Oman LLC, Muscat | |
| Petroleum Services Co, Kuwait | |
| Petronas Malaysia LNG - Bintulu, Malaysia | |
| Petronas Melaka Refinery, Malaysia | |
| PETRONAS - OGP Technical Services, Malaysia | |
| PETRONAS Penapisan (Terengganu) Sdn. Bhd., Malaysia | |
| Petronas - Pahang, Malaysia | |
| Petronas Research & Scientific Services - Kajang, Malaysia | |
| Petronas Terengganu Refinery, Malaysia | |
| Petrosa - South Africa | |
| Petrotrin - Chaguanas. Trinidad and Tobago | |
| Pfizer Ltd. - Sandwich, UK | |
| PKN Orlen S.A. , Plock, Poland | |
| Polimeri Europa - San Donato Milanese, Italy | |
| Polimeri Europa - Southampton, UK | |
| Pólo Petroquímico de Camaçari - Salvador, Brazil | |
| Praxair - Tonawanda, USA | |
| Premcor - Port Arthur, Texas, USA | |
| Preemraff - Lysekil, Sweden | |
| PROSINT - GPC's (Grupo Peixoto de Castro) Rio de Janeiro, Brazil | |
| PT.AMI - Cilegon, Malaysia | |
| PT. Ecogreen Oleochemicals - Batam City, Indonesia | |
| PT.Freeport - Tembagapura, Indonesia | |
| PT. Kaltim Parna Industri - Indonesia | |
| PT. McDERMOTT - JAKARTA, Indonesia | |
| PT. Pertamina (Persero) UP-IV | |
| PT. PERTAMINA UP II DUMAI | |
| PT. Rekayasa Industri - Jakarta, Indonesia | |
| PTT Chemical PLC. - Rayong, Thailand | |
| Qapco - Doha, Qatar | |
| QP Refinery - Mesaieed, Qatar | |
| Qenos Olefines - Matravillew Australia | |
| QIT-Fer et Titanes inc. - Québec, Canada | |
| Queensland Alumina Ltd - Paron's Point Gladstone QLD Australia | |
| Raffineria ERGMED - Priolo G. (Siracusa), Italy | |
| Ras Laffan Liquefied Natural Gas Co Ltd - Doha, Qatar | |
| REDUCT & Lobbe Technologies - British Columbia
|
|
| Reilly Industries - Indianapolis, USA | |
| Refineria Isla (Curazao) S.A - Curacao, Netherlands Antilles | |
| Refineria Petrolera Santiago de Cuba | |
| Reliance Industries Limited - Mumbai, India | |
| Reliance Industries Limited - Jamnegar, India | |
| Reliance Industries Limited - Vadodara, India | |
| RepsolYpf - Puertollano, Spain | |
| Repsol PETRONOR Refinery Muskiz, Spain | |
| Repsol Polimeros - Sines, Portugal | |
| Repsol YPF - Móstoles, Spain | |
| Repsol YPF - Refinería La Plata - Ensenada, Argentina | |
| Repsol YPF - Refineria de Somorrostro s/n - Muskiz, Spain | |
| RepsolYPF - Quilmes - Buenos Aires Argentina | |
| RepsolYPF - Tarragona, Spain | |
| Rio Tinto - Australia | |
| Rohm and Haas, Deer Park, Texas, USA | |
| ROMPETROL - Constanta, ROMANIA | |
| ROMPETROL Petromedia Refinery - Navodari, ROMANIA | |
| Sabic-EPC - Geleen, NETHERLANDS | |
| Sabic- IBN ZAHR, Saudi Arabia | |
| Sabic - Jubail, Saudi Arabia | |
| Sabic - Gelsenkirchen, Germany | |
| Sabic Europe Polyolefine GmbH | |
| Sabic R & T - Riyadh, Saudi Arabia | |
| Sabic - Yanbu Al-Sinaiah, Saudi Arabia | |
| SAMIR SA Mohammedia refinery - Morocco | |
| Santos - Adelaide South Australia | |
| Sasol - Johannesburg South Africa | |
| Sasol - Lake Charles, USA | |
| Sasol Polymers - Sasolburg, South Africa | |
| Sasol - Sasolburg,South Africa | |
| Sasol - Secunda,South Africa | |
| Sasol Synfuels ,South Africa | |
| Sasol Vanderbijlpark, South Africa | |
| Sasol - Vereenigning, South Africa | |
| Saudi Arabian Oil Company - Jeddah | |
| Saudi Aramco - Dhahran, Saudi Arabia | |
| Saudi Aramco - Ras Tanura Refinery, Saudi Arabia | |
| Saudi Aramco - Jeddah Refinery, Saudi Arabia | |
| Sauid Aramco - Riyadh | |
| Saudi Basic Industries Corporation (SABIC) - Riyadh, Saudi Arabia | |
| Saudi Petrochemical Co., Sadaf, Saudi Arabia | |
| Saudi Yanbu Petrochemical Company, Saudi Arabia | |
| SERAYA CHEMICALS SINGAPORE PTE LTED | |
| Shell - Amsterdam, Netherlands | |
| Shell Canada Products Ltd - Alberta, Canada | |
| Shell - Heide Germany | |
| Shell - Jurong Island, Singapore | |
| Shell - Tabangao refinery, PHILIPPINES | |
| Shell International Chemicals B.V. | |
| Shell - Moerdijk, Netherlands | |
| Shell&DEA Oil GmbH - Heide, Germany | |
| Shell - Rijswijk, Netherlands | |
| Shell Scotford | |
| Shijiazhang refinery - China | |
| Singapore Refining Company (SRC) Pte. Ltd. | |
| Singapore Refining Company (SRC) - Jurong Island, Singapore | |
| Sinopec - Beijing, China | |
| SIPCHEM Saudi International Petrochemical Company- Jubail | |
| SK Corporation, South Korea | |
| Slovnaft Refinery, Slovakia | |
| SNC Lavalin Inc. - Montreal, Canada | |
| SNC-Lavalin GDS - Houston Texas, USA | |
| S-Oil Corporation - Ulsan, Korea | |
| Sonatrach dowstream- Ain el Bia , Algeria | |
| Sonatrach - ORAN, Algeria | |
| Spansion Japan | |
| Stora Enso, | |
| Suncor Energy (Upgrading) - Alberta, Canada | |
| Suncor Inc - USA | |
| Sunoco Inc, USA | |
| Suzano Petroquimica - Brazil | |
| Statoil - Mongstad, Norway | |
| Statoil - Normandy , France | |
| Sterling Chemicals - Texas City, USA | |
| Syncrude Canada Ltd. | |
| Syncrude Canada - Research and Development | |
| Syncrude Canada - Calgery FORT MCMURRAY | |
| Tabriz Oil Refining Company - Iran | |
| Tamilnadu Petroproducts Limited, Chennai | |
| Tamoil - Collombey, SWITZERLAND | |
| Tasaniola UK Ltd | |
| Tasmanian Alkaloids - AUSTRALIA | |
| Tata Chemicals Limited Fertiliser Complex - Babrala, India | |
| Tesoro Petroleum - Kenai, Alaska , USA | |
| Thai Olefins PCL - Rayong, Thailand | |
| Thai Petrochemical Industry Public Co., Ltd - Rayong, Thailand | |
| Thai Plastic and Checmicals Public Co., Ltd. - Rayong, Thailand | |
| TITAN PETCHEM SDN BHD - PASIR GUDANG, Malaysia |
|
| Total - CERT, France | |
| Total - HARFLEUR, France | |
| Total - Milford Haven Refinery, UK | |
| Total Petrochemical - La Porte RTC, Texas, USA | |
| Total Raffinaderij - Antwerpen, Belgium | |
| Total - Raffinerie de Feyzin, France | |
| TITAN PETCHEM SDN BHD, Jakarta | |
| TMA - Rayong, THAILAND | |
| Transportadora de Gas del Norte - Buenos Aires, Argentina | |
| Tupras - Izmir Refinery, Turkey | |
| UHDE - Bad Soden, Germany | |
| Unocal - Sugar Land, Texas, USA | |
| Valero Energy Corporation - San Antonio, Texas, USA | |
| Valero Refining - Corpus Christi, Texas, USA | |
| Valero Refining - New Jersey, USA | |
| Veer Pharma Chem, Gujarat, India | |
| Vista Chemical - Houston, Texas, USA | |
| Warri Refining and Petrochemicals - Warri, Delta State, Nigeria | |
| West lake Chemical - Lousiana, USA | |
| Wilhelmshavener Raffineriegesellschaft , Germany | |
| Woodside LNG - Perth, Australia | |
| Zakum dev Company - AbuDhabi | |