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Our Story
A Division of Welton Underground Lic. #1047016. Our main lines of business include: Underground Utilities--Contractors.
Gas & Electric Utility Construction has been listed in the Blue Book since 2023, to serve the demand of gas and electric underground utility infrastructure for both applicants and utility owners.
What We Do
Commercial Experience
Misc Project
Apartments & Condominiums
Civil & Site Development
Gas Station
Government
Grocery Stores
Hospital / Nursing Home
Hotel / Motel
Jail / Prison
Non-Residential Building
Office Building
Power Generation & Distribution
Renewable Energy
Restaurant
Retail Store
Road / Highway
Single Family Residential
Storage Facility / Warehouse
Tract Housing
Utilities
Regions & Counties Serviced
- San Francisco, Oakland, San Jose
California 7
- Alameda
- Contra Costa
- Sacramento
- Shasta
- Solano
- Sonoma
- Tehama
Our CSI Codes
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 21 16.13 - Methane Venting
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 06 10 - Schedules for Water Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
40 23 36 - Sanitary Water Process Piping
