About
The vision, talent, and
expertise for your water and wastewater project.
Local focus, national resources, shared values.
Across the Midwest, CAS Constructors has delivered more than 400 water and wastewater treatment projects for a wide variety of clients.
CAS Constructors and parent company, Alberici worked together on projects together before officially joining forces in 2012. This close partnership enhances client outcomes by combining the extensive resources of the 36th largest contractor (Engineering News-Record 2024) with the personalized service and local expertise we are known for. Together, we are united by shared values. We work safely, value diversity, serve humbly, execute with integrity, solve creatively and engage fully to earn the trust of our clients and partners every day.
We’re proud to play an important role in building the critical structures that improve lives and strengthen communities.
Delivering on the promise of safety, reliability and quality since 1985.
Charles A. Stryker founded CAS Constructors in 1985 with a goal to be the Midwest’s most trusted source for water and wastewater construction. Clients in Kansas, Missouri, and beyond have come to trust CAS Constructors to deliver the highest levels of reliability, safety, and quality.

Built for Community
At CAS Constructors, we go beyond delivering critical infrastructure by fostering economic and social investment that strengthens the communities we serve. Through partnerships with local organizations and support for non-profits where our employees live, work, and play, we create meaningful connections and lasting impacts.
What sets us apart from the rest.
CAS Constructors continues to thrive by delivering efficient, reliable construction services and maintaining a strong commitment to its values.
With a culture built on safety, trust, integrity, and continuous improvement, CAS Constructors is poised to continue its legacy of innovation and employee-driven excellence for decades to come.