About Illinois Office Supply

ILLINOIS OFFICE SUPPLY AND PRINTING opened its doors for business in 1925. Today, over 90 years later, we remain open to serve all your printing needs. IOS can accommodate your requests beginning with initial layout and ending with complete bindery services. Just provide a sample or an idea and our experienced staff will work with you to put your images to print.

Illinois Office Supply provides county offices with printing and election supplies.  As a governmental and election ballot printer, we offer you the strength and reliability that comes only with years of combined experience in the field.

If you are looking for innovation and versatility, or strength and  reliability, Illinois Office Supply and Printing is the one-stop shop for the newest technology and the oldest tradition of excellent customer service.

News & Notes


Illinois Office Supply would like to take this opportunity to thank all of our loyal customers for your many years of support, and a big Thank You to all of our new customers!  Because of your support, we are proud to be serving you in our 98th year and we look forward to many more!!


From all of us, to all of you

Have a wonderful 2024!!


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Contact Us

1119 La Salle Street
Ottawa, IL 61350

Phone:      815-434-0186
Toll-Free:  800-892-7861
Fax:          815-434-2665


Business Hours

8:30 AM to 5:00 PM Monday - Friday

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Our People

The staff at Illinois Office Supply's number one goal is customer satisfaction.