Toolan Construction, 853 Middlesex Tpke, Old Saybrook, CT 06475, US

Over 40 years, Underwater Construction Corporation has been one of the leading global service providers specializing in underwater services to a diverse customer base. Based in Essex, Conn., it provides basic and specialty services under the general categories of inspection, maintenance, construction and technical support. The company caters to a wide range of customers that include commercial marine shipping, nuclear, fossil and hydroelectric power generation, highway/ transportation, water utilities, municipal, state and federal government, among others. It serves in a number of areas, such as Florida, California, Japan, Korea, Taiwan, and China.