On-Site dispatches technicians right to your home or office. We offer same and next day service to most of Chicago and it's suburbs. Our service area includes Northern Cook, DuPage, Kane, Lake, and McHenry counties. We have technicians in the field 7 days a week, from Chicago to Crystal Lake, McHenry to St. Charles and everywhere in between. We dispatch out of Arlington Heights, Barrington, Carpentersville, Chicago, Grayslake, Schaumburg and Saint Charles so there is always a technician nearby. We also have a Class 3 data recovery center in Crystal Lake, IL. View our Coverge Area for more information.