Largest companies in Montenegro

1. Tüpraş (Türkiye Petrol Rafinerileri A.Ş.) - Operating in the energy sector and one of the largest companies in Turkey, Tüpraş operates in the fields of oil refining and petrochemistry.

2. Turkcell - Operating in the telecommunications sector, Turkcell is Turkey's largest telecommunications company. It operates in mobile communication services, fixed lines, internet services and other telecommunications areas.

3. Koç Holding - Koç Holding, one of Turkey's largest conglomerates, is a group of companies operating in a wide variety of sectors. It operates in automotive, energy, retail, finance, construction, tourism and many other sectors.

4. Sabancı Holding - One of Turkey's largest conglomerates, Sabancı Holding operates in energy, retail, finance, industry, insurance, real estate and many other sectors.

5. Eczacıbaşı Holding - One of Turkey's largest conglomerates, Eczacıbaşı Holding operates in pharmaceuticals, healthcare, ceramics, bathroom and kitchen products, construction materials, energy and many other sectors.

6. İş Bankası - İş Bankası, one of Turkey's largest private banks, operates in the financial sector. It offers individual and corporate banking services.

7. Garanti Bank - Garanti Bank, one of Turkey's largest private banks, operates in the financial sector. It offers individual and corporate banking services.

8. Turkish Airlines (THY) - Turkey's largest airline, THY is an airline that operates national and international flights.

9. Anadolu Group - One of Turkey's largest conglomerates, Anadolu Group operates in the automotive, beverage, retail, energy, finance, cement and many other sectors.

10. Istanbul Metropolitan Municipality - Istanbul Metropolitan Municipality, the largest municipality in Turkey, is a public institution operating in many sectors. It provides services in transportation, water and sewerage, environment, infrastructure, culture and many other areas.