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.

Unique products & Services 


To assist customers with developing and implementing the best strategy to meet environmental and business goals, GreenTech combines experienced people, a collaborative methodology and custom tools to achieve sustainable success. GreenTech offers a wide variety of high-performance green building services tailored to fit the specific needs of our customers.
the U.S. Green Building Council reported that the estimated value of Leadership in Energy and Environmental Design (LEED®) for New Construction registered projects in 2006 reached $200 billion.

The practice of creating structures and using processes that are environmentally responsible and resource-efficient throughout a building's life-cycle: from siting to design, construction, operation, maintenance, renovation, and deconstruction. This practice expands and complements the classical building design concerns of economy, utility, durability, and comfort.


Responsive, responsible and collaborative, Greentech Industry leverages the experience and talent of all team members. We stay focused on results, value and efficiency, so you can focus on doing business. We do more than construct buildings. We deliver solutions.

Reducing waste, pollution and environmental degradation through our construction services and products.

In today’s business climate, customers are faced with a complex maze of environmental products and services that are in competition with one another a day-to-day basis. We help you make the right choice.