Cardinal Investment Advisors, LLC has two service offices; they are:

Chicago Office
150 North Wacker Drive, Suite 2500 Chicago, Illinois 60606
P: 312.212.4000
Email: info@cia-llc.com

St. Louis Office
231 South Bemiston Avenue, Suite 200 Clayton, Missouri 63105
P: 314.726.9911
Email: info@cia-llc.com