About DEMIEN CONSTRUCTION CO
Demien Construction is a family-owned commercial general contractor based in Wentzville, MO, serving St. Charles and St. Louis counties. With over 70 years of experience, they specialize in general contracting, construction management, and design-build services for commercial, industrial, and municipal projects.
Full-service general contractingConstruction managementDesign-build servicesPre-engineered building solutions (partnering with Butler Manufacturing)Site preparation and final finishesBudgeting, scheduling, and value engineering
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