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About Us

The Illinois Ready Mixed Concrete Association (IRMCA) is a non-profit trade organization that represents Illinois ready mix producers, suppliers and contractors. As an organization, our purpose is to achieve common goals such as education & training, promotion and advocacy that cannot be met individually. IRMCA strives to be the voice of the ready mix industry in Illinois and ceaselessly promote the increased use of high quality, durable concrete.


Jim Randolph, Executive Director

Theron Tobolski,  Assistant Executive Director

JoAnn McKeown, Office Manager

303 Landmark Drive, Suite 1-A

Normal, Illinois 61761 


PH: 309.862.2144

FX: 309.862.3404

Board of Directors and IRMCA Staff

Mr. Brandon Thetard


River Redi-Mix
2195 East Bluff Road
Marseilles, IL 61341

Mr. A.J. Bimrose

Vice President

United Contractors Midwest
PO Box 166
Tremont, IL 61568




Mr. Matt Meyer


Mid- Illinois Concrete, Inc.
P. O. Box 785
Effingham, IL 62401

Mr. Ryan Cialdella



19001 Old Lagrange Rd.

Mokena, IL 60448

Mr. Jim Amundsen


GCP Applied Technologies
1103 W Nassau Drive
Peoria, IL 61615

Mr. David Barnes


BASF - Master Builders Solutions
4137 Diana Drive

Imperial, MO 63052

Ms. Bridget Bleigh


Bleigh Ready Mix
3217 Wismann Lane
Quincy, IL 62301

Mr. Mike Boyda


Vulcan Materials Company
1000 East Warrenville Road
Suite 100
Naperville, IL 60563- 1444

Mr. Timothy Burke


Boral Resources
4043 North Euclid Avenue
Bay City, MI 48706

Mr. Mike DeJong


Welsch Ready Mix, Inc.
4243 W. 166th St.
Oak Forest, IL 60452

Mr. Tim Huiner


VCNA Prairie Material
7601 West 79th Street
Bridgeview, IL 60455

Mr. Kent Hustedde


Quad- County Ready Mix
300 Old Fullerton Rd.
Swansea, IL 62226

Mr. Jamie Maley


Capitol Ready-Mix

1900 E. Mason, PO Box 6246

Springfield, IL 62708

Mr. Jim Posdany


Buzzi Unicem USA

1422 Elbridge Payne, Ste. 100
Chesterfield, MO  63017