| AFYON KOCATEPE UNIVERSITY |
| ANADOLU UNIVERSITY |
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| ANKARA UNIVERSITY |
| ANKARA IL OZEL IDARESI |
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| CANAKKALE ON SEKIZ MART UNIVERSITY |
| DOKUZ EYLUL UNIVERSITY |
| DUZCE UNIVERSITY |
| EGE UNIVERSITY |
| ERCIYES UNIVERSITY |
| GUMUSHANE UNIVERSITY |
| CITY BANK GENERAL DIRECTORATE |
| ISTANBUL TECHNICAL UNIVERSITY |
| ISTANBUL UNIVERSITY |
| IYTE IZMIR HIGH TECHNOLOGY INSTITUTE |
| KANDILLI OBSERVATORY AND EARTHQUAKE RESEARCH CENTER |
| BLACK SEA TECHNICAL UNIVERSITY |
| KOCAELI UNIVERSITY |
| KONYA SELCUK UNIVERSITY |
| MARMARA UNIVERSITY |
| MIDDLE EAST TECHNICAL UNIVERSITY |
| NEVSEHIR UNIVERSITY |
| PAMUKKALE UNIVERSITY |
| SAKARYA UNIVERSITY |
| SULEYMAN DEMIREL UNIVERSITY |
| TIKA TURKISH INTERNATIONAL COOPERATION AND DEVELOPMENT AGENCY |
| TUBITAK MAM MARMARA RESEARCH CENTER |
| YOZGAT UNIVERSITY |
| ADAPAZARI POWER GENERATION LTD. |
| AK ENERGY KEMALPASA POWER PLANT |
| AKSA ENERGY |
| ALTEK ALARKO KIRKLARELI POWER PLANT |
| AYEN OSTIM POWER PLANT |
| BATICIM CIMENTO POWER PLANT |
| BAYMINA ENERGY ANKARA POWER PLANT |
| BILENERGY POWER PLANT |
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| BM ENGINEERING A.S. |
| BOSEN ENERGY POWER PLANT |
| CENGIZ ENERGY |
| CELIKLER HOLDING |
| COLAKOGLU METALURJI POWER PLANT |
| DILER HOLDING |
| DSI STATE HYDRAULICS WORKS |
| ENKA POWER |
| ENTEK ENERGY POWER PLANT |
| EREN ENERGY |
| ESKISEHIR POWER GENERATION |
| EUAS AFSIN ELBISTAN A THERMAL POWER PLANT |
| EUAS AFSIN ELBISTAN B THERMAL POWER PLANT |
| EUAS BURSA COMBINED CYCLE POWER PLANT |
| EUAS CAN THERMAL POWER PLANT |
| EUAS CATALAGZI THERMAL POWER PLANT |
| EUAS HAMITABAT POWER PLANT |
| EUAS KANGAL THERMAL POWER PLANT |
| EUAS TUNCBILEK POWER PLANT |
| GAMA POWER SYSTEMS |
| GEBZE POWER GENERATION LTD. |
| GURMAT POWER GENERATION A.S. |
| HABAS ALIAGA POWER PLANT |
| ICDAS POWER GENERATION A.S |
| IZMIR POWER GENERATION LTD. |
| KAYEN KAYI POWER GENERATION A.S. |
| MAREN ENERGY |
| MENDERES GEOTHERMAL A.S. |
| NUH CIMENTO POWER PLANT |
| ORME GEOTHERMAL |
| ORYA GEOTHERMAL |
| PARK TERMIK A.S. CAYIRHAN THERMAL POWER PLANT |
| RONESANS ENERGY |
| SEAS SOMA THERMAL POWER PLANT |
| TRANSMARK RENEWABLES |
| UNIMAR MARMARA EREGLISI POWER PLANT |
| YILDIRIM HOLDING |
| ZORLU ENERGY |
| MECHANICAL AND CHEMICAL INDUSTRY |
| PETKIM PETROCHEMICAL COMPANY |
| TUPRAS IZMIT KORFEZ RAFFINERIE |
| TUPRAS KIRIKKALE RAFFINERIE |
| ASIA MINOR |
| BIRLIK MINING A.S. |
| ERDEMIR MINING A.S. |
| ETI MINING GENERAL DIRECTORATE |
| KOZA GOLD A.S. |
| MTA MINERAL RESEARCH AND EXPLORATION CO. |
| STFA |
| TKI TURKISH COAL ENTERPRISES |
| YENI ANADOLU MINING A.S. |
| ALAADDIN MIDDLE EAST |
| ATILLA DOGAN |
| BOTAS PETROLEUM PIPELINE CORPORATION |
| CALIK ENERGY |
| HEMA INDUSTRY A.S. |
| GUNEY YILDIZI PETROL |
| IGDAS ISTANBUL GAS DISTRIBUTION CO. |
| N.V. TURKSE PERENCO |
| OZTAS CONSTRUCTION A.S. |
| PEMI PETROLEUM MEDITERRANEAN EXPLORATION CO. |
| PETOIL |
| PETROBRAS OIL & GAS TURKEY |
| TEKFEN |
| TIWAY TURKEY LTD. |
| TPAO TURKISH PETROLEUM CORPORATION |
| TPIC TURKISH PETROLEUM INTERNATIONAL CO. |
| TRANSATLANTIC PETROLEUM LTD. |
| TROYA NATURAL GAS OIL ENGINEERING |
| VIKING INTERNATIONAL |
| ZORLU PETROGAS |
| ABM ENGINEERING |
| AFAD |
| ARMATEST |
| BALIKESIR GOVERNORSHIP |
| MINISTRY OF PUBLIC WORKS AND SETTLEMENT |
| BEDIRHANOGLU GROUND CONSTRUCTION |
| BELIRTI ENGINEERING |
| BILIM ANALYTIC |
| BURSA GOVERNORSHIP |
| CORUH ENGINEERING |
| EKSIOGLU ENGINEERING |
| ERA ENERGY |
| ESKISEHIR MUNICIPALITY |
| GENERAL COMMAND OF MAPPING |
| ISTANBUL MUNICIPALITY |
| JS GEOPHYSICS |
| KADIKOY MUNICIPALITY |
| KASIM ENGINEERING |
| MUGLA GOVERNORSHIP |
| PG-SERV |
| TOROS ENGINEERING |
| YERALTI ENGINEERING |
| YERTEK ENGINEERING |
| ZETA ENGINEERING |
| AKUT |
| DSI GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS |
| TCK TURKISH HIGHWAYS GENERAL DIRECTORATE |