Commercial Construction
Orange County's premier commercial contractor specializing in tenant improvements for office, medical, warehouse, and retail.
Our Work
Tenant Improvements
From hospitality & design to office interiors & warehouse construction, GTI Commercial Contractors is ready to help you complete your project.
Our Work
Project Management
Orange County's trusted commercial contractor for projects of all size - design build, value engineering, tenant improvements, and major renovations.
Our Work



As the premier commercial contractor in Orange County and its surrounding cities, GTI Commercial Contractors specializes in a vast range of applications in the commercial industry. From office interiors, medical & laboratory suites, research & development & clean rooms, to modern retail and major renovations, we are committed to help you achieve your goals. Because of our commitment to performance and quality, we have earned a valued reputation from our clientele of designers, property management firms, architects, commercial brokers, and business owners.

Our philosophy is quite simple: We promise quality construction, on time and on budget.