TÜVASAŞ
Turkish Wagon Industry, Inc., more commonly known as TÜVASAŞ, was a Turkish railcar manufacturer based in Adapazarı. TÜVASAŞ was responsible for the construction, refurbishment and repair of railcars for the Turkish State Railways, of which it was a 100% shareholder, reporting directly to the Ministry of [Transport |Turkish Ministry of Transport].
The company was founded in 1951 as Vagon Tamir Atölyesi to repair existing railcars of TCDD's fleet. TÜVASAŞ became the largest railcar manufacturer in the Middle East. The headquarters were in the Adapazarı Plant in Mithatpaşa, a neighborhood of Adapazarı.
TÜVASAŞ and two other rail companies merged under the umbrella of one company, TÜRASAŞ.