Martin Brothers Construction (MBC) Delivering Quality Construction and Design Build Projects since 1996. Today, MBC is an 8(a) certified and Minority Owned Business Enterprise (MBE) and California Disadvantaged Business Enterprise (DBE) that serves many of the major commercial, industrial and residential development organizations, as well as Local, County, State and Federal Agencies. MBC performs a broad spectrum of services to include (Paving, General Construction, Site Work, and Utility Construction) while staying true to our company vision... Safety, Customer Satisfaction & Excellence.