| NO | PROJECT NAME | PROJECT PLACE | PROJECT DESCRIPTION | MAIN CLIENT | MAIN CONTRACTOR |
| | ONGOING PROJECTS | | | | |
| 1 | HALKALI – KAPIKULE RAIULWAY LINE ÇERKEZKÖY – KAPIKULE SECTION PROJECT | EDİRNE | U SHAPE DRAINAGE CAHANNEL CONSTRUCTION WORKS | T.C. ULAŞTIRMA VE ALTYAPI BAKANLIĞI AVRUPA BİRLİĞİ VE DIŞ İLİŞKİLER GEN. MÜD. | KOLİN – SALINI IMP. |
| 2 | HALKALI – KAPIKULE RAIULWAY LINE ÇERKEZKÖY – KAPIKULE SECTION PROJECT | EDİRNE | REINFORCED CABLE CHANNEL CONSTRUCTION WORKS | T.C. ULAŞTIRMA VE ALTYAPI BAKANLIĞI AVRUPA BİRLİĞİ VE DIŞ İLİŞKİLER GEN. MÜD. | KOLİN – SALINI IMP. |
| 3 | ÜMRANİYE – ATAŞEHİR – GÖZTEPE METRO PROJECT | İSTANBUL | REINFORCED STRUCTUREL WORKS IN METRO TUNNEL | İSTANBUL BÜYÜKŞEHİR BELEDİYESİ | GÜLERMAK – NUROL |
| 4 | ALAYUNT – AFYONKARAHİSAR – KONYA RAILWAY LINE PROJECT | AFYONKARAHİSAR | ELECTRIFICATION AND SIGNALIZATION WORKS | TCDD | YAPI MERKEZİ |
| 5 | TANZANIA DARÜSSELAM – MOROGORO RAILWAY LINE PROJECT | DAR ES SALAAM – MOROGORO | FIBER OPTIC CABLE INSTALLATION WORKS | TRC (TANZANİA RAİLWAY CORPORATİON) | YAPI MERKEZİ |
| 6 | ANKARA – İZMİR HIGH SPEED RAILWAY PROJECT | AFYONKARAHİSAR | STONE WALL WORKS | TCDD | ERG – SSB AG |
| | | | | | |
| | COMPLETED PROJECTS | | | | |
| 1 | ANKARA – KONYA HIGH SPEED RAILWAY PROJECT ELECTROMECHANICAL WORKS | ANKARA – KONYA | BETWEEN KM:100+000 AND KM:196+500 CABLE CHANNEL, HDPE PIPE AND MANHOLE WORKS | TCDD | YAPI MERKEZİ |
| 2 | TCDD 6. REGION; İSKENDERUN – NARLI ZONE RAILWAY LINE PROJECT SIGNALIZATION WORKS | İSKENDERUN – NARLI | 15 x 4 x 1,2 MM HIGH FREQUENCY CABLE AND 48 CORE FIBER OPTIC CABLE INSTALLATION | TCDD | TCDD |
| 3 | KAYSERİ NORTH CROSSING RAILWAY LINE PROJECT | KAYSERİ | SIGNALIZATION, INFRASTRUCTURE AND SUPERSTRUCTURE WORKS, DITCH, STONE MASONRY AND CABLE CHANNEL | TCDD | KOLİN |
| 4 | TCDD ANKARA – İSTANBUL HIGH SPEED RAILWAY PROJECT BETWEEN ESENKENT AND HASANBEY (I. PHASE) | ESENKENT – HASANBEY | KM: 385+000, KM: 407+900 UNDERPASS, CONCRETE PIPE, KM: 388+000, KM: 391+000 BRIDGE WORKS | TCDD | ALARKO – OHL JV |
| 5 | BOTAŞ PIPELINES AND OIL TRANSPORTATION INC.; BAKU – TBILISI – CEYHAN OIL PIPELINE PROJECT | BAKÜ – TİFLİS – CEYHAN | TRENCH, EMBANKMENT, RIP-RAP (PROTECTIVE ROCK FILLING) WORKS, REMOVAL OF SERVICE ROADS, ROAD DRAINAGE SYSTEM | BOTAŞ | ALARKO |
| 6 | ANKARA – İSTANBUL RAILWAY REHABILITATION PROJECT | ANKARA – İSTANBUL | UNDERPASS, DRAINAGE WORKS, LONGITUDINAL DRAINAGE WORKS, RIVER BRIDGES | TCDD | CRCC – CMC – CENGİZ – İÇTAŞ |
| 7 | ANKARA – SINCAN RAILWAY PROJECT | ANKARA – SİNCAN | ADDITION OF A NEW LINE NEXT TO THE EXISTING LINE IN THE NORTHERN WORKS | TCDD | CRCC – CMC – CENGİZ – İÇTAŞ |
| 8 | ANKARA – İSTANBUL HIGH SPEED RAILWAY PROJECT (II. PHASE) | ANKARA – İSTANBUL | 168.000 MT CABLE DUCT INSTALLATION WORKS | TCDD | CRCC – CMC – CENGİZ – İÇTAŞ |
| 9 | KAYSERI NORTHERN CROSSING RAILWAY PROJECT | KAYSERİ | CABLE DUCT, PROTECTION WALL, DRAINAGE SYSTEM, STONE MASONRY WORKS | TCDD | KOLİN |
| 10 | SAMSUN – KALIN RAILWAY LINE PROJECT | SAMSUN – KALIN | STONE WALL WORKS | TCDD | ÇELİKLER |
| 11 | RAILWAY LINE PROJECT SIGNALIZATION WORKS BETWEEN IZMIR CUMAOVASI – TEPEKÖY | İZMİR CUMAOVASI – TEPEKÖY | 263.000 MT OF SIGNAL AND FIBER OPTIC CABLE ASSEMBLY | TCDD | ELSİTEL |
| 12 | KAYSERİ – SİVAS RAILWAY LINE PROJECT | KAYSERİ – SİVAS | FIBER OPTIC AND POWER CABLE INSTALLATION | TCDD | YAPI MERKEZİ |
| 13 | TEİAŞ – İTM.102 154KV İNEGÖL TRANSFORMER CONSTRUCTION WORKS | İNEGÖL | TRANSFORMER CONSTRUCTION WORKS | TEİAŞ | ANADOLU ELEKTRİK |
| 14 | TEİAŞ – İTM.114 154KV GAZİANTEP TRANSFORMER CONSTRUCTION WORKS | GAZİANTEP | TRANSFORMER CONSTRUCTION WORKS | TEİAŞ | ANADOLU ELEKTRİK |
| 15 | TEİAŞ – İTM.114 380/154/33KV SİİRT TRANSFORMER CONSTRUCTION WORKS | SİİRT | TRANSFORMER CONSTRUCTION WORKS | TEİAŞ | ANADOLU ELEKTRİK |
| 16 | KONYA – KARAMAN RAILWAY LINE PROJECT | KONYA – KARAMAN | STONE MASONRY WORKS | TCDD | YAPI MERKEZİ |
| 17 | BANDIRMA – BALIKESİR – MANİSA – MENEMEN RAILWAY LINE PROJECT | BANDIRMA – BALIKESİR – MANİSA – MENEMEN | SIGNALIZATION AND TELECOMMUNICATION SYSTEM INSTALLATION WORKS | TCDD | ELSİTEL |
| 18 | KAHRAMANMARAŞ STATION AND BETWEEN SALMANLI AND KARKAMIŞ STATIONS RAILWAY LINE PROJECT | SALMANLI – KARKAMIŞ | REHABILITATION AND BALLAST WORKS | TCDD 6.REGION | TCDD 6.REGION |
| 19 | KAYAŞ – IRMAK – ÇETİNKAYA RAILWAY LINE PROJECT | KAYAŞ – IRMAK – ÇETİNKAYA | ELECTRIFICATION WORKS | TCDD | YAPI MERKEZİ |
| 20 | BAŞKENTRAY PROJECT | SİNCAN – KAYAŞ | STONE WALL, REINFORCED CONCRETE FOR STATION BUILDING, UNDER RAIL CROSSING, DEEP DRAINAGE, CABLE DUCT, MANHOLE AND STEEL STRUCTURES MONTAGE AND DEMONTAGE | TCDD | KOLİN – GÜLERMAK |
| 21 | MARMARAY PROJECT | İSTANBUL | STONE WALL, REINFORCED CONCRETE FOR STATION BUILDING, UNDER RAIL CROSSING, DEEP DRAINAGE, CABLE DUCT AND MENHOLE WORKS | TCDD | KOLİN |
| 22 | KONYA – KARAMAN RAILWAY LINE PROJECT | KONYA – KARAMAN | ELECTRIFICATION WORKS | TCDD | YAPI MERKEZİ |
| 23 | KAYAŞ – IRMAK – KIRIKKALE – ÇETİNKAYA RAILWAY LINE PROJECT ELECTRIFICATION WORKS (PHASE III) | ŞEFAATLİ – BOĞAZKÖPRÜ | CATENARY SYSTEM WORKS | TCDD | YAPI MERKEZİ |
| 24 | KAYAŞ – IRMAK – KIRIKKALE – ÇETİNKAYA RAILWAY LINE PROJECT ELECTRIFICATION WORKS (PHASE IV) | BOĞAZKÖPRÜ – KARAÖZÜ | CATENARY SYSTEM WORKS | TCDD | YAPI MERKEZİ |
| 25 | KAYAŞ – IRMAK – KIRIKKALE – ÇETİNKAYA RAILWAY LINE PROJECT ELECTRIFICATION WORKS (PHASE V) | KARAÖZÜ – HANLI | CATENARY SYSTEM WORKS | TCDD | YAPI MERKEZİ |
| 26 | IRMAK – KARABÜK – ZONGULDAK RAILWAY LINE PROJECT | IRMAK – KARABÜK – ZONGULDAK | REHABILITATION AND SIGNALIZATION WORKS | T.C. ULAŞTIRMA VE ALTYAPI BAKANLIĞI AVRUPA BİRLİĞİ VE DIŞ İLİŞKİLER GEN. MÜD. | YAPI MERKEZİ – MÖN |
| 27 | YERKÖY – SİVAS HIGH SPEED TRAIN PROJECT SUPERSTRUCTURE AND ELECTROMECHANICAL CONSTRUCTION WORKS | YERKÖY – SİVAS | CATENARY SYSTEM INSTALLATION AND COMMISSIONING | TCDD | YAPI MERKEZİ |
| 28 | YERKÖY – SİVAS HIGH SPEED TRAIN PROJECT SUPERSTRUCTURE AND ELECTROMECHANICAL CONSTRUCTION WORKS | YERKÖY – SİVAS | CONSTRUCTION WORKS OF CABLE LAYING AND CABLE LAYING WORKS | TCDD | YAPI MERKEZİ |
| 29 | YERKÖY – SİVAS HIGH SPEED TRAIN PROJECT SUPERSTRUCTURE AND ELECTROMECHANICAL CONSTRUCTION WORKS | YERKÖY – SİVAS | PRODUCTION OF CATENARY SYSTEMS | TCDD | YAPI MERKEZİ |
| 30 | ANKARA – SİVAS HIGH SPEED TRAIN LINE CATENER INSTALLATION WORKS BETWEEN KAYAŞ AND YERKÖY | BALIŞEYH – YERKÖY | PRODUCTION OF CATENARY SYSTEMS | TCDD | DOĞUŞ |
| 31 | BAŞKENT RAY (SİNCAN – ANKARA – KAYAŞ) LINE RE-CONSTRUCTION WORKS | SİNCAN – KAYAŞ | CONSTRUCTION OF SMALL AND LARGE ENGINEERING STRUCTURES IN VARIOUS LOCATIONS OF THE LINE (CULVERT, UNDERPASS, BRIDGE, VIADUCT ETC.) | TCDD | KOLİN – GÜLERMAK |
| 32 | HALKALI – İSTANBUL NEW AIRPORT ADMINISTRATIVE BUILDING ‘S REINFORCE CONCRETE CONSTRUCTION WORK | İSTANBUL ARNAVUTKÖY | CONCRETE WORKS OF ADMINISTRATIVE BUILDINGS | AYGM | CENGİZ – KOLİN – KALYON – ÖZGÜN |
| 33 | NARLI – ÇETİNKAYA LINE SECTION BETWEEN (KM: 071+248 – KM: 214+032) AND (KM: 054+299 – KM: 136+804) ELECTRIFICATION SYSTEMS MAINTENANCE AND REPAIR WORKS (BETWEEN 2020 – 2022 YEARS) | MALATYA TCDD 5th REGION | CATANARY LINE MAINTENANCE WORKS | TCDD | TCDD |
| 34 | NARLI – ÇETİNKAYA LINE SECTION BETWEEN (KM: 071+248 – KM: 214+032) AND (KM: 054+299 – KM: 136+804) ELECTRIFICATION SYSTEMS MAINTENANCE AND REPAIR WORKS (BETWEEN 2022 – 2024 YEARS) | MALATYA TCDD 5th REGION | CATANARY LINE MAINTENANCE WORKS | TCDD 5.BÖLGE MD. | TCDD 5.BÖLGE MD. |
| 35 | İSKENDERUN – TOPRAKKALE – FEVZİPAŞA – NARLI AND YENİCE – ADANA – TOPRAKKALE (EXCLUDED) LINE SECTION ELECTRIFICATION SYSTEMS MAINTENANCE AND REPAIR WORKS | ADANA TCDD 5th REGION | CATANARY LINE MAINTENANCE WORKS | TCDD 5.BÖLGE MD. | TCDD 5.BÖLGE MD. |
| 36 | ÇETİNKAYA – DİVRİĞİ LINE SECTION BETWEEN KM: 713+777 AND KM: 778 + 624 ELECTRIFICATION SYSTEMS MAINTENANCE AND REPAIR WORKS | SIVAS TCDD 4th REGION | CATANARY LINE MAINTENANCE WORKS | TCDD 4.BÖLGE MD. | TCDD 4.BÖLGE MD. |
| 37 | TANZANIA BETWEEN DAR ES SALAAM – MOROGORO RAILWAY PROJECT (AYKAL TANZANIA LTD) | DAR ES SALAAM – MOROGORO | ELECTRIFICATION, SIGNALIZATION CONSTRUCTION, INFRASTRUCTURE, FIBER OPTIC CABLE LAYING, DAR ES SALAAM TRAIN STATION CONSTRUCTION, ENGINEERING STRUCTURES AND WIRE FENCE CONSTRUCTION WORKS | TRC (TANZANİA RAİLWAY CORPORATİON) | YAPI MERKEZİ |
| 38 | TANZANIA BETWEEN MOROGORO – MAKUTUPORA RAILWAY PROJECT (AYKAL TANZANIA LTD) | MOROGORO – MAKUTUPORA | ELECTRIFICATION, SIGNALIZATION CONSTRUCTION, INFRASTRUCTURE, WIRE FENCE CONSTRUCTION WORKS | TRC (TANZANİA RAİLWAY CORPORATİON) | YAPI MERKEZİ |
