Reliable. Efficient. Innovative.

Engineering Oklahoma better.

Aerial view of wastewater treatment facility.
890+ projects completed
Oklahoma owned
420+ clients served

Service at our core

Cowan Group Engineering is Oklahoma’s choice for innovative answers to sustainable progress. We’ve built a diverse team and developed our strengths to provide a full range of engineering services. We begin by listening and evaluating your needs and determining how our clients can best leverage our experience. We commit to care for our clients and serve their communities as if they were our own – because they are.


Cowan Group Engineering
7100 N. Classen, Suite 500
Oklahoma City, OK 73116
(405) 463-3381