Good company, good people, good work.

DALEO was founded in Oklahoma in 1979 and established operations two years later in the Bay Area. Over the past 36 years, we have grown into one of the region’s most trusted underground utilities contractors, successfully completing hundreds of gas, electrical, water, and telecom projects for private providers and municipalities.

Family owned and operated, DALEO maintains a loyal staff of highly capable managers, supervisors, skilled operators, and utility workers. After three decades, we know what our customers expect. Our knowledge and experience minimizes risk, while maintaining a high standard of work.

DALEO performs all facets of underground construction in the Bay Area, Sacramento Valley, and the Central Valley.

  • Water
  • Gas
  • Electric
  • Telecom
  • Directional Drilling
  • Open trench
  • Cable Placement
  • Vault Placement
  • Hydro Excavation
  • Restoration
  • Splicing and Testing
  • Rocksaw Trenching