4B Systems, Inc can handle any residential or commercial electrical service.  We are licensed, bonded, and insured and have been serving the metro Mundelein, IL region for over 25.  Locally owned and operated.

We provide electrical repair service all over Chicago Metro, including Mundelein, Lake Forest, Arlington Heights, Libertyville, Vernon Hills, Waukegan, Buffalo Grove, Vernon Hills, Libertyville, Hawthorn Woods, Round Lake Beach, Crystal Lake, Grayslake, Fox Lake, Cook County, Lake County

513 East Orchard St.
Mundelein, Illinois 60060
Phone: 847.529.9597
Email
Sunday by appt or emergency