Earthmoving, Excavation, and Grading


Kolb Grading is one of the largest and most well-known companies for excavation and earthwork construction. The professionalism and expertise we bring to our many other areas of service are reflected here. We are committed to completing your project on time and according to your specifications.

Related Projects

Ameren Coffeen Power Station
Ameren Coffeen Power Station
Bear Creek Golf Club
Bear Run Lead Track
BJC Healthcare
Indiana US Interstate 69
Lakeside 370 Development
Lakeside 370 Development

Our Services

We use the largest equipment Caterpillar makes down to the smallest skid loader Bobcat services:

  • Grading
  • Demolition 
  • Mass Excavation
  • Rock Removal
  • Haul-Offs
  • Soil Compaction
  • Utility-scale Solar

Grading Services

We are not afraid to work on the more difficult projects since we have experience in all sorts of geological formations. Including, but not limited to clay, high-plastic soil, silt, loam soil, rock, ash, fly ash, granite and more. Being a Missouri-based contractor exposes us to a variety of different geological terrains, giving us the expertise needed for your project. We offer finishing and rough grading services nationwide.

Facilities Serviced

Our various excavation services can help accommodate nearly any type of facility, including:

  • Healthcare
  • Education
  • Office
  • Industrial
  • Warehouse
  • Retail
  • Multi-Family Housing
  • Hospitality
  • Cultural
  • Athletic
  • Renewable Energy
  • Wastewater Treatment Plants

Commitment to Our Customers

Over 60 years in business has afforded us considerable amount of experience, but most importantly instilled in us the value of family. We operate as a team, supporting and encouraging each other, creating a positive environment. As a result, Kolb Grading has an outstanding safety and project completion record.


The skilled staff at Kolb Grading is pro-active with your projects and has the foresight to look for any possible obstacles. Our knowledge of modern technology and history of completing difficult tasks allows us to identify any problems and adequately prepare you for the process ahead of time.

Our Commitment to Safety

Kolb’s commitment to safety is second to none in our industry. Safety is more than an Experience Modification Rate (EMR) number; it’s a culture we are committed to. Our protocols include weekly training for all crews and personnel and safety reports for projects and teams.