Commercial Electrical Services

4B Systems Commercial Electricians Mundelein, IL and greater Chicago4B Systems provides excellent quality and dependable electrical service to our commercial clients.  For over 30 years we’ve been serving Mundelein and metro Chicago with superior quality commercial electrical services.  We adhere to the highest ethical and electrical code standards.

Request Services Security Lighting Lighting Retrofits Lighting Solutions Safety Inspections
Code Updates Ballast and Bulb Solar Systems Energy Efficiency Motion Sensors
Electrical System Recessed Lighting Warehouses Lighting Controls Surge Protection
Circuit Upgrade Custom Lighting Phone Wiring Ballast and Bulb Transfer Switches
Fire Prevention Energy Saving Panel Upgrade Office Lighting Wiring Upgrades
Receptacles Security Lighting Office Circuits Photovoltaic Smoke Detectors
Troubleshooting Office Lighting Inspections Wiring Upgrades Maintenance Contact

About 4B Systems Electrical

We provide electrical services to the residential and commercial markets.  Based in Mundelein, Illinois, 4Bsystems has been serving our customers for over 30 years.  4B Systems works on both small and large scale projects in residential, commercial and industrial applications. All of our electricians have vast experience and we have specialists for every type of project.  4B Systems is licensed and insured in Illinois.