450 S. Abel Street #360833 Milpitas, CA 95036-0833 
Bay Area 408.946.1015 ~ Central Valley 209.834.0792

Welcome to the official website of Thornton Environmental Construction, Inc. ®  ~ We are an A, C-10 & Haz (hazardous substances removal certified) ~ General Engineering Contractor. ~We are specialists in the petroleum equipment industry with over 30 years of hands on in the field experience. We provide a variety of services for service stations,  fueling facilities and back up generator applications. Our high quality service includes UST tank monitor installations, tank monitor system annual certifications and tank monitor repairs. We also provide complete fuel supply system electrical installations and fuel equipment wiring terminations and fuel equipment start up services. We provide service station maintenance such as hose, nozzle & filter replacements to name a few and fuel equipment calibration. We also provide construction services for tank up remodels, EVR enhanced vapor recovery upgrades and above ground storage tank and day tank removals. Also above ground storage tank and day tank complete installations. ~Our competitive testing services include secondary containment testing per (SB989), annual tank monitor and spill bucket testing for a wide variety of manufactures equipment. We also provide designated operator services for the following areas Marin, Solano, Sacramento, El Dorado, Amador, Calaveras, San Joaquin, Contra Costa, San Francisco, San Mateo, Alameda, Santa Cruz, Santa Clara, Stanislaus, Merced, San Benito, Monterey, Fresno ~ DOS Services include the 12 monthly inspections with the required employee training. We also provide services for Day Tank repairs and Pump Set repairs. ~We are a 24 hour fuel alarm response contractor for our established customers ~ Our experience and education in the Petroleum Equipment Industry is unsurpassed to many of todays technicians, saving you money with lower on site times and less on site labor costs  ~We are dedicated to working with you to implement a solution that meets your needs. ~We are fully Licensed, Insured, Manufactures Certified, ICC Certified, Haz~Safety Trained and California Contractors License No. 724513

~We reserve the right to refuse service to anyone~