DeSilva Gates Construction has built a reputation as a leading general engineering contractor operating in the San Francisco Bay Area, Sacramento valley, and San Joaquin Valley by delivering the toughest of infrastructure projects on time. Edwin O. DeSilva and Richard B. Gates lead the company's experienced and service orientated management team. Together, they are supported by a team of personnel specializing in grading, paving and construction management that are dedicated to delivering success to our clients. The company, headquartered in in DublinCA, specializes in Heavy, Highway and Civil Engineering Construction Services for both Public and Private Clients. Founded in the 1930's by Oliver de Silva, this once small grading and paving company is now the largest local construction employer, with a combined workforce during peak season of over 1, 000 employees and combined annual revenues in excess of $350 million. .