A Commitment to Excellence in
Aggregate and Organic Soil
Solutions Since 1947

Founded by Vern Thelen, Thelen Materials is an industry leader and has grown to be one of Chicagoland's largest family owned aggregate and organics manufacturer serving Northeastern Illinois and Southeastern Wisconsin for 74 years.  

State Certified Aggregates and Organic Soils

Contractors and homeowners alike trust Thelen Materials to be large enough to take care of their needs and small enough to know and appreciate their customers. 

Thelen Materials offers IDOT and WisDOT certified bulk aggregates and organic soil solutions across northern Illinois and southern Wisconsin. Thelen Materials provides the highest of quality aggregates, organic soil blends and transportation solutions to both the public and private construction markets.

our projects

Quality Thelen Products

Environmentally Conscious Practices

New from Thelen Materials

Winter hours are in affect!  Antioch and Lakemoor:  M-F 6am - 2pm.  Genoa City:  Wed only 6am - 2pm.  Additional hours available upon request.  Please stay tuned for the change to spring hours once weather permits. Stay safe!  

Employment opportunities: 

No job openings at this time, please check back later.

Pick or Delivery Available

All products are available for pickup or delivery from our
Antioch, Lakemoor, and Genoa City facilities

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Partners

Thelen Family Foundation Thelen Sand and Gravel

Affiliations

Aggregate Producers of Wisconsin Illinois Road and Transportation Builders Association Illinois Association of Aggregate Producers Underground Contractors Association of Illinois Wisconsin Underground Contractors Association Great Lakes Construction Association