Family Owned and Operated since 1925!
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We create products that enhance the daily lives of people and communities that we serve.

Our mission is to enhance the lives of the people and communities we serve through safe, efficient, and quality-driven project delivery.

We are a third-generation, family-owned, union general contractor serving the central and southern Illinois construction market for over 90 years. Sangamo takes pride in our ability to create opportunities for those who take part in our construction processes. Each Sangamo employee has dedicated themselves to the highest safety and project delivery standards that are the foundation of this company.

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