has served Northern California since 1985 and is locally owned and operated. It was begun in 1985 when Delbert Dees
, an expert in shoring
, and Pete Hennessey
, an expert in excavation
, branched out and started a company together. Dan Evans
, a shotcrete
expert, joined the company in 1986. Together, our staff of engineers has more than 100 years of combined experience.