Underground Construction Co., Inc. is an operations-based company – Safety, Quality and Production. Founded in 1936 (Oakland, CA) and our headquarters are located in Benicia, CA. We also have offices in Phoenix, AZ, Ontario, CA and San Diego, CA to better service our customers.

Our divisions include:

• Gas Distribution,
• Electric-Civil Distribution & Transmission
• Oil & Gas Transmission Pipeline
• Airport Fueling
• Industrial and Special Projects
• In-house design/build capabilities

Underground Construction Co., Inc. has strong project management capabilities (cost control, reporting and documentation, scheduling, etc.). Capacity to insure and bond complex, multi-million-dollar projects. Annual revenues exceeding $350 million and are backed by Quanta Services, Inc. a company with $12 billion in revenues.

Reach out, and let's talk about your underground utility needs.