Nishimatsu Construction founded in 1874, It is a major Japanese construction firm. Nishimatsu Construction Co., Ltd. is a general contractor operating nationwide and overseas. Its main areas of business are building construction, civil engineering, and real estate development. The company builds tunnels, roads, airports, dams, high-rises, hospitals, power plants, hotels, and other civil and commercial projects around the world. 

Nishimatsu Construction has worked on such notable projects as Singapore's National Library Board Building, London's Channel Tunnel Rail Link, and Hong Kong's Lap Kok Airport. The company has worked on more than 1,000 tunnels. Nishimatsu Construction headquartered in Tokyo and maintain offices in Singapore, Hong Kong, Myanmar, Thailand, Vietnam, Laos, and Malaysia.