Founding History

In 1975, A self-driven businessman, Mr. Che C. Hong, the founder of Base Corporation started a construction business and had a solid history of producing excellent results within a limited budget.


In 1977, Mr. Hong opened his new company - Sammi Construction and ventured into the construction business. He has built and successfully managed staffs, and dealt effectively with customers on Private, Government or Federal projects on a regular basis. In 1983, Mr. Hong bought and took over Hyundai Construction Guam Crusher Plant and eventually renamed it as ‘Sammi Rock Products/ Construction and conquered projects through the years. In 1999, Sammi Rock Construction evolved to ‘Base Corporation’. From thereon up to the present, almost 20 years of successful accomplished wide range of projects in Guam - subdivisions, hotels and building facilities from total construction to renovation, repair/maintenance and vertical or horizontal were successfully completed.