As a premiere commercial general contractor in the Bay Area, GCI specializes in creating beautiful, functional spaces where people thrive.
From building renovations to interiors, infrastructure projects to labs, every one of our jobs is driven by the belief that the most important thing we build is trust.
People are our foundation.
With nearly 180 staff in the office and in the field, GCI’s people are our best asset.
For this 100,000 sq ft project, we transformed an old college building into modern offices and state-of-the-art labs.
A clean and modern office space complete with a sweet roof deck (ping pong, anyone?).
Viva Las Vegas! We built this unique bird's nest-inspired space right on the strip.
This full-production brewery and distillery includes 14 fermentation tanks, a 750-gallon pot, and a 350-gallon pot still.
Page Mill Road Lab Renovation
A large office and lab renovation for a long-standing campus client.
This historic building got a full restoration and repositioning to turn an old auto shop into a state-of-the-art healthcare clinic.
Dry Lab & Clean Room
This San Jose-based facility includes a class-100,000 lab space and class-10,000 clean room.
In our 30-year history, we’ve had the pleasure of partnering with many great clients.
Where We Work
With offices across the Bay Area, GCI is ready to take on your commercial construction project.
We’re ready to help you take on your most challenging projects—and turn great ideas into reality.