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 77 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

Recycle Text

Environmentally Conscious Practices

New from Thelen Materials

Fuel surcharge has been implemented for all pick up & deliveries. 

Winter hours, 12/4/23:

Antioch and Lakemoor:  M-F 6am - 2pm. Saturday's upon request

Genoa City:  Wednesday: 6am - 2pm.  

These hours are seasonal please call first to confirm.  Stay Safe!

Employment opportunities: 

For more information & to apply, please click the link below:


Accomplished Outside Sales Representative



Golf & Sports Turf Materials – Outside Sales Representative



Administrative Assistant / Document Imaging Specialist / Accounting Associate



General Labor: Compost Site Waste Collection - Seasonal/Summer Job



General Yard Help / Dirt & Clay Site Drop-off Area Monitoring



Please follow the job link above or call 847-395-3313, Attn: Bill Bolger, Human Resources 


Pick or Delivery Available

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



Thelen Family Foundation

Thelen Family Foundation

Thelen Sand and Gravel


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