Darkstone Arabia Ltd. (Saudi Arabia): This branch focuses on civil and MEP works, solar construction, and mining services within Saudi Arabia. Their projects include constructing guest houses, dining halls, and gold smelting buildings, as well as maintaining gold plant concrete foundations.
Given your location in Dhaka, Bangladesh, it's important to note that these companies primarily operate in Australia and the Middle East. If you're seeking construction services locally, you might consider contacting Development Design Consultants Ltd. (DDCL), a multidisciplinary consulting firm based in Dhaka. They offer architectural and engineering consulting services for various projects, including airport expansions and office building complexes.
If you have a specific region or type of construction service in mind, please provide more details so I can assist you further.