有相關置評請求的故事 ? We sought responses from SUMMA to the allegations raised in these stories. Find out more about our Company Response Mechanism.
相關的重要議題
主要關聯國家
SUMMA has been referenced in news articles and reports on our website.
提及公司的資料（文章，報告，新聞等）
企業總部
公司在有爭議地區被提及（文章、報告、新聞等）
公司總部在爭議地區
Summa is an international contractor with diversified interests and operations.
Established in 1989 in Ankara, Turkey, Summa carries out top quality operations in 15 countries in various sectors ranging from construction to energy. With more than 5,500 employees on 4 continents across the globe