Ontan Grup Competitors

Damen Shipyards Group consists of 32 operating companies worldwide. The group originates from a single shipyard founded in Holland in 1927 and is active in ship newbuilding and repair as well as marine services. With an annual turnover of approximately 2.1 billion euros, Damen is the largest shipbuilding group in The Netherlands and one of the leading builders of workboats and fast craft worldwide. Damen focuses on construction of standardised proven designs and ongoing product development, offering our clients advantages such as optimized performances and reliability, short delivery times and low operational costs. Available designs include both commercial and military vessels, ranging from tugs, workboats, dredgers, buoy laying and offshore vessels, to cargo vessels, fast ferries, patrol boats, crew boats and other fast craft.

A Leading Tugboat Company Having 50 years of experience, Sanmar represents a reputation for innovation and excellence at its two custom-built, state-of-the-art shipyards in Tuzla and Altinova, Turkey. Renowned for a wide portfolio of technologically advanced tugs based on world-leading designs from naval architects such as Robert Allan Ltd, built on demand to customers’ specific operational needs, Sanmar leads the world in the construction of RAL tugboats, with more than 300 built to date. The range of tugs includes LNG-fuelled, hybrid, and autonomous vessels. Sanmar, also being a tug operator, prides itself on focusing on the need to minimize or eliminate negative environmental impact. Sanmar Shipyards works in close partnership with customers at every stage of a project and offers unrivalled after-sales and post-delivery technological support.

Established in 2007, Sefine Shipyard swiftly rose to prominence, becoming a leading force in the maritime sector in a remarkably short time. Recognized as one of the distinguished shipyards in Turkiye, Sefine Shipyard specializes in a comprehensive range of services, including new shipbuilding, ship maintenance/repair/conversion services, and the construction of large steel structures. As a subsidiary of Koloğlu Holding, Sefine Shipyard holds a prominent position as one of the largest shipyards in its region, boasting an expansive area of 250,000 m2 in Yalova-Altınova along the Marmara Sea. Sefine stands out the biggest shipyard not only for its physical footprint but also for its substantial business volume and diversity. Featuring a 90,000 DWT Post-Panamax capacity dry dock, the largest in the region, and a 120,000 DWT Aframax capacity floating dock, Sefine Shipyard delivers top-tier ship maintenance/repair/conversion services. Sefine, exporting new shipbuilding projects to key maritime nations such as Norway, Italy, the Netherlands, the United Kingdom, Estonia, and the Faroe Islands, holds the global leading position in the construction of Live Fish Carrier Vessels. With a remarkable track record of over 50 successfully completed shipbuilding projects and exports to 43 different countries, Sefine Shipyard earned the title of export champion in the Shipbuilding Category in Türkiye’s Top 1000 Exporters 2020 Survey conducted by TIM. Since its inception, Sefine Shipyard has been a trailblazer in the Turkish maritime sector. With a workforce exceeding 6,000 individuals, including subcontractor personnel, the shipyard contributes significantly to the national economy through continuous investments, export successes, pioneering R&D and innovation activities, and the delivery of world-class products and services. Sefine... Where Dreams Are Forged in Passion and Innovation