On The Forefront of Innovation, Quality, and Integrity

Founded in 1973, DMSI has established a strong presence in the modular building market with innovative methods of fulfilling your construction requirements. Using on-staff architects and engineers, we design and build the broadest product line in the modular industry - from small modular buildings to multi-story buildings - in a wide range of architectural styles. 

DMSI has a performance driven philosophy for your project and our commitment is to solve your individual project needs by offering quality, convenience, and integrity.

Our team approach is to work closely with Architects and design professionals from project conception through completion.  

Service we include on EVERY project we design:

DMSI's engineering and manufacturing facility is centrally located in Patterson, California, allowing convenient access to your project site. Our plant fabrication process covers fifteen (15) acres with 100,000 square feet of production space all under cover from the elements.  This controlled environment prevents weather delays and allows tight monitoring to ensure quality workmanship. 


Client Comments:

"DMSI has been great to work with. They are dependable, flexible, have a high quality product and understand our District's needs."

Mike Weissenborn

"DMSI was instrumental in helping us achieve completion and success on our interim classroom/restroom project so we could proceed with modernization."

Alicia Masri

"DMSI provides prompt professional service. The quality of DMSI buildings is unmatched in the industry. ...the competence of the set up crews enhances the DMSI reputation."

Mark Evans


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