Concrete in Columbus, KS

Operating from our home base in Oswego, Kansas. Four States Concrete has proudly served customers across Kansas, Oklahoma, Missouri, and Arkansas for over 16 years. Our expertise in concrete flatwork and slab work has made us a reliable partner for residential and commercial pro…

With Koehn Construction as your commercial GC, you can rest easy knowing a trustworthy partner has your back. You can do what you do best while leaving the rest to us. Clients choose us for more than contracting expertise. Our clients trust us to ask the questions others overl…

Although we are known for it, we are much more than concrete construction. Some of our residential and commercial services include; excavation and earthwork, demolition & select demolition, roll-off dumpsters, rock/gravel hauling, dirt hauling, erosion control, fence clearing, p…