San Francisco Bay Area General Contractor

San Francisco Bay Area General Contractor

G.T.I, Inc has been offering general contracting services to the San Francisco Bay Area and all surrounding counties since 1989. We are specialize in all kinds of Commercial and Residential Construction Work. You can view our full list of services under the Services Menu. With over 20 years experience, you are guaranteed to have peace of mind knowing Greentech Industry, Inc is handling your general contracting needs.

Electrical and HV\AC Instalation


  • Panel, Generators, Breakers & Transfer 
  • Ceiling Fan Wiring and Installation
  • Exhaust & Attic Fans
  • Bath & Kitchen Fans & Lights 
  • Room Accent & Recessed Lighting 
  • Indoor & Outdoor GFI 
  • Surge Protection 
  • Code Corrections 
  • Power, Temporary Service 
  • Outlets & Switches Installed & Moved
  • Electrical Wiring Service and Repair
  • Lighting Protection 
  • Specialty Receptacles 
  • Appliance Wiring - Washers, Dryers & more
  • Low Voltage Lighting 
  • Smoke Detector Installation and Repair 
  • Ballast & Lamp replacement 
  • CCTV & Cable Wiring 
  • Landscape Lighting and Wiring 
  • Hot Tubs, Pools and Spas Wiring

Here in GTI, Inc we believe that the honesty, integrity and planning bring success to any project. We encourage all of our employees to improve and expand their knowledge and skills within the construction trade. Our customers will get the best possible project management from beginning to end as they can count on our staff to provide quality work and service, done right the first time, on time and at a reasonable price.Our extensive and varied experience, coupled with project planning, attention to detail, and budget management affords us the opportunity to offer services to any project regardless of size.

Our staff consists of certified, well-prepared, highly experienced, reliable, and strongly motivated individuals. GTI specialists ascribes to the highest ethical, moral and professional standards and all staff and subcontractors and required to abide by the company's established code of ethics.