Amsons Group offered Sh23.6bn to acquire 100% of Bamburi shares.
The company has secured financial backing for a 300MW geothermal project.
Yapı Merkezi is expected to complete the 272-kilometre railway in 48 months.
The facility will be the first of its kind in the sub Saharan Africa.
The project features 440 hotel rooms, 88 villas, and 218 serviced apartments.
Talks are underway for China to fund a new highway and rail extension.
The Chinese-funded Orpower 22 power plant will take 17 months to complete.
Bedsitters will rent for Sh3,200 per month on a 30-year rent-to-own plan.
The new flyover, funded by Spain, is expected to open in 2027.
The SK6000 could help improve the efficiency of offshore construction.