Welcome to Semke Grading

Semke Grading, LLC has been serving the Greater St. Louis/St. Charles area for over 20 years. We strive to provide our clients with a project that is completed on time and per plans. We work with our clients to help achieve their vision in the most cost effective way while using the latest Trimble GPS technology and AGtek 4D software. From clearing, grading, rock excavation, soil stabilization, and demolition. We have the experience and equipment to get the job done.


Commercial & Residential Excavating

We have the ability to move hundreds of thousands of yards of material with our tractors and scrapers. We have the equipment necessary to handle large projects and small equipment for the not so large jobs. From large to small projects our goal is the same – 100% Customer Satisfaction


We offer complete clearing services including tree removal and stripping of vegetation. We use tree grinding and/or on-site air curtain destructors. We also provide siltation control per SWPP plans


Soil Stabilization

We offer a wide array of soil stabilization options. From chemical drying/stabilizing agents like Code-L to soil removal and replacement. Whichever your situation calls for, we will help you every step of the way and find the most cost-effective solution.


GPS/AGtek 4D

We use the latest Trimble GPS technology to ensure precise machine control. The accuracy of this technology helps us to be very efficient with project time. AGtek 4D takeoff software ensures that we are dealing with accurate quantities of material for every project. Combined, these tools help us provide a thorough and in-depth cost projection for completing each and every job.