Building the city’s unseen strength.
İLBA Mimarlık and İN-SEL İnşaat have delivered forty construction works for Ilbank, the State Hydraulic Works, ASAT and metropolitan municipalities — from potable water transmission lines to sewerage and stormwater networks, ponds and irrigation schemes, grade-separated junctions, underpasses and public buildings.
→ Our capabilitiesThe total is computed at each work’s own contract-year price level. Ongoing works account for 249.7 million ₺.
We do not merely build infrastructure — we turn it into long-lived systems.
Founded in 1997 by İlkin Berberoğlu and Selçuk İnce, İLBA and İN-SEL have delivered housing, retail and business centre projects together with pond, wastewater, sewerage and stormwater network construction, guided by their commitment to people, the environment and quality.Working from a head office in Antalya and a regional office in Afyonkarahisar, the two companies operate as a single organisation with shared...
About the company ↗One contractor, from infrastructure to buildings
Potable Water Transmission and Networks
Transmission and distribution networks, pumping stations, package treatment and water supply works.
02 9WORKSBuildings and Urban Works
Public buildings, student halls, university completion works, car parks and urban regeneration.
03 7WORKSWastewater and Sewerage
Collectors, sewerage networks and wastewater treatment plant construction.
04 7WORKSTransport Structures
Grade-separated and bridged junctions, underpasses, road pavement and engineering structures.
05 3WORKSStormwater and Drainage
Urban stormwater drainage lines and flood control works.
06 3WORKSWater Structures and Irrigation
Ponds, irrigation and diversion structures with energy generation infrastructure.
Two companies, one technical organisation.
Every construction work carries many variables — ground conditions, existing infrastructure, environmental constraints, contract duration and continuity of service. İLBA and İN-SEL combine delivery capability with engineering planning to turn that complexity into a manageable process.
↗ CompanyWorks that leave a mark.
Adıyaman – Recep İçmesuyu İsale Hattı
Karayolları Kavşağı Alt Geçit Yapım İşi
Cumhuriyet Meydanı Düzenlenmesi ve Kapalı Otopark Yapım İşi
Kurşunlu Mevkii Yeni Şehir Mezarlığı Tesisleri İkmal İnşaatı Yapım İşi
Düden Kavşağı ve Sakarya Kavşağı Arası Katlı Kavşak Yol Yapım İşi
Demre – Beymelek (Antalya) Atıksu Arıtma Tesisi ve Kısmi Kanalizasyon İnşaatı
Our works in national and local media.
Let us share our qualification file.
If your authority needs a work completion certificate, technical personnel list or plant fleet undertaking for a construction work, fill in the form — our corporate team responds within the same working day.