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Building water infrastructure to transform communities and improve lives.

We are CAS ConstructORS.

Delivering exceptional water and wastewater facilities across the Midwest.

We provide award-winning construction, repair, renovation and rehabilitation services to water and wastewater facilities.

CAS Constructors’ work has made a profound impact, improving water quality for millions.

Since 1985, we’ve been partnering with municipalities, private industry, and engineers to build facilities ranging from 0.5 MGD to 120+ MGD that bring safe and reliable water to communities across the Midwest. Since 2012, we’ve been a proud part of Alberici. This close partnership enhances client outcomes by combining the extensive resources of North America’s 36th largest contractor (ENR 2024) with the personalized service and local expertise that CAS Constructors is known for.

The design-build water and wastewater experts.

Featured Updates

40 Years of Excellence, Community Impact, and Employee-Driven Success

CAS Constructors Celebrates 40th Anniversary

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Wichita Northwest Water Facility

Constructing the largest infrastructure project in Wichita’s history

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Make your mark on the Midwest’s most impactful construction projects.