Civil And Structural Engineers & Land Surveyors. Coombe-Bloxdorf is a civil engineering, structural engineering, and land surveying company located in Springfield, Illinois and serves all of Illinois. We're available for all of your commercial and industrial needs. We are independently owned and have provided engineering and land surveying services since 1992. We provide engineering and land surveying for subdivisions, bridges, buildings, highways, and drainage purposes. When you are ready to start on your next major building project, let the professionals at Coombe-Bloxdorf handle the job. We are well equipped to handle any project, large or small. Some of our services include: • Civil engineering • Structural engineering • Subdivisions • Facility planning & design • Land surveying • Boundary surveys We hope to become a service that you can always rely on. Call Coombe-Bloxdorf today for an initial consultation!