English Kumagai Gumi Cited by user Silver gasman on 31 Aug 2017 Kumagai founded his own company in 1898 and incorporated it in 1938. Between 1955 and 1983 the company accounted for more than 10% of all contracts awarded to the fifty-se…
English Kumagai Gumi Cited by user Silver gasman on 31 Aug 2017 Kumagai founded his own company in 1898 and incorporated it in 1938. Between 1955 and 1983 the company accounted for more than 10% of all contracts awarded to the fifty-se…