CALL 312-972-5100SIGN UP FOR E-NEWS
Chat With UsPrivacy Policy
Chicago Information Systems

CHICAGO INFORMATION SYSTEMS

Hello Microsoft!! For verification this is Daffyd (Dave) Zmeyr this website's owner at 561 W Aldine Ave Chicago IL 60657

Trusted By Leading Organizations

"As CIO, I wanted another honest and prudent evaluation. Dave challenged recommendations from a perspective that were beyond my capabilities. His views are holistic, exhaustive and broad in vision, leading to very thoughtful and effective strategies and plans."

Michael Mestan, Sr. VP Customer Services and Systems, World's Finest Chocolate

"Chicago Information Systems always keeps us up and running with the right solutions for the task. Very high level of customer service and communication, with fast response."

Tom P.

"Chicago Information Systems's responsiveness is second to none. Dave allows us to focus on what we do best which is electrical construction."

Gary Misicka, President, Lyons & Pinner Electric Companies

"Helped us greatly when we had a ransomware attack."

Todd Stull, Clinical Director, JOURNEYS | The Road Home Non Profit

"Dave is hands on and always available. He has a great grasp of working with business and keeps the network safe and secure."

Michael B., The CBK Firm

"Keeps us on the cutting edge of technology and security solution."

Stacey Stern, Stern Process, and Investigation

"As CIO, I wanted another honest and prudent evaluation. Dave challenged recommendations from a perspective that were beyond my capabilities. His views are holistic, exhaustive and broad in vision, leading to very thoughtful and effective strategies and plans."

Michael Mestan, Sr. VP Customer Services and Systems, World's Finest Chocolate

"Chicago Information Systems always keeps us up and running with the right solutions for the task. Very high level of customer service and communication, with fast response."

Tom P.

"Chicago Information Systems's responsiveness is second to none. Dave allows us to focus on what we do best which is electrical construction."

Gary Misicka, President, Lyons & Pinner Electric Companies

"Helped us greatly when we had a ransomware attack."

Todd Stull, Clinical Director, JOURNEYS | The Road Home Non Profit

"Dave is hands on and always available. He has a great grasp of working with business and keeps the network safe and secure."

Michael B., The CBK Firm

"Keeps us on the cutting edge of technology and security solution."

Stacey Stern, Stern Process, and Investigation

Chicago Information Systems

3263 N Broadway

Chicago, IL 60657

312-972-5100INFO@CHICAGOINFORMATIONSYSTEMS.COMSIGN UP FOR IT NEWS
© 2026 Chicago Information Systems. All rights reserved.·Privacy Policy