tunnel construction

Connolly-Pacific Co. is a vertically integrated rock quarrying and marine construction company that sells rock products and provides marine construction services in Southern California, primarily from Los Angeles to San Diego. Originally incorporated in 1946 and operating since the early 1930s, it is a wholly owned subsidiary of Knife River Corporation.

dam constructiondredginglandfill constructionland reclamationmarine constructionrock quarryingterminal construction

Doğuş İnşaat ve Ticaret A.Ş. has been active in the construction sector since 1951, having completed more than 260 infrastructure and superstructure projects with a total value exceeding 35 billion dollars. Projects cited include the Üsküdar-Ümraniye-Çekmeköy Metro in Istanbul, the Boyabat Dam and HEPP, the Edirne-Kınalı Highway, and Borispol International Airport in Kiev, Ukraine.

airport constructiondam and HEPP constructionelectromechanical workshighway constructioninfrastructure constructionmetro constructionsuperstructure construction

Dome Technology is an international construction company with more than 50 years of experience in 30-plus countries, providing turnkey solutions for bulk storage, commercial construction, and more. The company has completed more than 700 projects and specializes in dome construction, engineering, and material-handling systems.

concrete work and repairconstruction managementdome constructionElectrical Engineeringexplosion protectionfabricationFEED engineeringgeneral contractinggeotechnical analysismaterial handling system designMechanical Engineeringroofing and coatingssilo and tank repairstructural engineering