Tokyo-based Sumitomo Corp. has invested $50 million in Sunstate Equipment Co. in a bid to expand its footprint in North America. The Phoenix-based rental company is a major supplier of construction equipment, with $227 million in annual revenue. Sumitomo, which also owns Link-Belt Construction Equipment Co., Lexington, Ky., says it has been looking to expand into the rental business. “Although the U.S. construction-equipment rental industry has been experiencing a severe downturn since the financial crisis, given the long-term growth prospects of this market, Sumitomo believes this is an excellent opportunity,” says the company.
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.