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Preferred Modular Structures, Inc (PMSi)

is a Deptartment of Housing licensed commercial modular dealer and a licensed general contracting firm, providing turnkey modular development to the Southern California region. Started in 1992, PMSi celebrates many successful years of combining high quality manufactured commercial structures and site development services to both private and public interests. Whether your needs are a small office trailer or a multi-story permanent building, we offer the finest quality, best service and price that fits your budget.

PMSi offers building design services that will create the floor plan that fits your specific needs. We also provide engineering services, permit processing and construction management, throughout the entire construction process. We take pride in being a family owned company with emphasis on quality construction. (read more)

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