- General Directorate of Infrastructure Investments, Adapazari – Blacksea Eregli Railway Project Drilling Works, In-situ Tests and Soil Mechanics Laboratory Services, ENET PROJECT INVESTIGATING AND CONSULTING CO., 1997
- General Directorate of Highways, Geotechnical Investigation and Reporting of Soke – Milas Highway, DOGA ENG.- FKB CO., 1997
- General Directorate of Infrastructure Investments, Bandirma – Bursa – Ayazma-Osmaneli, Ayazma – Inonu Railway Geotechnical Drillings and Pressuremeter Tests, ERKA- AS LTD CO., 1999
- General Directorate of Highways, Geotechnical Investigation and Reporting for Cine Dam Highway, OZKAR CONS. CO., 1999
- General Directorate of Highways, Geotechnical Drilling Works of Ankara – Pozanti Motorway, Golcuk- Pozanti Section, YUKSEL DOMANIC LTD. CO., 2000
- General Directorate of Highways, Geotechnical Drilling Works, In-situ Tests, Soil Mechanics Laboratory Tests and Natural Construction Material Investigations for Ankara – Pozanti Motorway, Ortakoy – Golcuk Section, DAR ENGINEERING CONSULTING CO., 2001
- Tunnel Drillings of Eskisehir – Kosekoy Railway Project, YUKSEL PROJECT CO., 2003
- General Directorate of Highways, Geotechnical Drilling Works, In-Situ Tests, Soil Mechanics Laboratory Tests and Natural Construction Material Investigations for Ortakoy – Golcuk Section of Ankara – Pozanti Motorway, DAR ENGINEERING CONS. CO., 2003
- 4000 m Drilling, Laboratory and Geotechnical Works of Ankara – Eskisehir Railway Project, C. STATE RAILWAYS (ALARKO & OHL JOINTVENTURE), 2004
- Engineering Services of Artova – Sulusaray Project (Joint Venture), GENERAL DIRECTORATE OF HIGHWAYS, 2005
- Ground Investigations of F. Altay – Balcova Dokuz Eylul University within the scope of Izmir Light Rail System, IZMIR METROPOLITAN MUNICIPALITY, 2005
- Ground Investigations of Balcova Dokuz Eylul University Hospital – Narlidere within the scope of Izmir Light Rail System Project, IZMIR METROPOLITAN MUNICIPALITY, 2006
- General Directorate of Turkish State Railways, Preparing Soil Investigation Report of Menderes – Torbali (27 km) Railway, BOTEK BOGAZICI TECHNICAL CONS. CO., 2008
- General Directorate of Turkish State Railways, Preparing Geotechnical Report of Manisa-Soma Station and Soma-Eli Coal Mining Railway Connection Line Projects (1st Part 0+000,00–19+060.03 / 2nd 0+000,00–4+341.65), AKSA PROJECT CON. CONS. TRADE LTD. CO., 2009
- General Directorate of Turkish State Railways, Ground Investigations and Preparing Geotechnical Reports of Manisa-Menemen Railway, BOTEK ENG. CONS. CO., 2011
- General Directorate of Highways, Ground Investigations of Izmir-Urla-Cesme Highway, Ikiztepe-Konak-Doganlar City Transition, Konak-Yesildere Access Road and Konak Tunnel, TEMELSU INT. ENG. SERVICES CO., 2011
- General Directorate of Highways, Geotechnical Services of Foca-Yeni Foca Way, BOTEK ENG. CONS. CO., 2012
- General Directorate of Highways, Geotechnical Services of Gonen-Manyas Way, BOTEK ENG. CONS. CO., 2013
- General Directorate of Highways, Geotechnical Services of Pinarbasi-Gurun Way, BOTEK ENG. CONS. CO., 2014
- Drilling Works, Laboratory Works and Preparing Soil Investigation Reports within the scope of Ashgabat-Turkmenbashi Highway Project, POLIMEKS CONS. AND IND. TRADE CO., 2017
- Geotechnical Investigation Service for KGM Selendi (Simav–Gediz) Junction, prepared for BOTEK INC., 2019
- Drilling Works for Esece and Sogutlu Bridge Foundations on Akhisar Junction–14th Regional Directorate–Sindirgi Road, prepared for GENERAL DIRECTORATE OF HIGHWAYS, 2020
- Foundation Investigations and Drilling Report for Buyuk Menderes Bridge on Aydin–Denizli Junction–Yenipazar Road, prepared for GENERAL DIRECTORATE OF HIGHWAYS, 2020