GMI is a General Contractor and Manufacturer of DSA and HCD approved Modular Buildings. GMI services all of California with strategically located Manufacturing, Refurbishment Centers and Offices in Southern and Northern California. GMI has been in the Modular Building Business for over 19 years and has assembled a team of the industry’s most talented and experienced individuals. GMI’s factory and refurbishment centers have the infrastructure and capability to design, manufacture new or refurbish pre-owned buildings in a fraction of the time it takes to site build the same building. Our buildings are designed with longevity in mind; while our business practices model long-term relationships through superior customer service, surpassing all in this industry.