Summit’s first acquisition.

Hamm was acquired by Summit Materials in 2009. It is one of the largest aggregate companies in northeast Kansas with significant aggregate reserves, operating 15 strategically located limestone quarries. The company is still run by Gary Hamm, and was founded by the Hamm family in 1954. Hamm is one of the largest asphalt and construction contractors in the state.

Founded: 
1954
Acquired: 
2009
Employees: 
256
Hometown: 
Perry, KS
Products: 
Aggregates
Asphalt
Paving Construction
Services: 

Limestone Mines
Aggregate Production and Delivery
Highway Construction Projects
Site Development and Construction
Rail System Maintenance
Power Plant Maintenance
Airport Runway Maintenance
Asphalt Production and Paving
Landfill Construction and Operation
Waste Transport, Disposal, and Recycling Services