Connect with Top-Rated Electricians in Mundelein!

4B Systems, Inc is a trusted and experienced electrical service provider offering residential, commercial, and industrial electrical solutions in Mundelein, Illinois, and the metro Chicago area. Our team of licensed, bonded, and insured electricians provides a wide range of services, including custom lighting, electrical panel upgrades, generator installations, and more. We specialize in new construction, additions, and renovations, and our goal is to provide quality products and services that meet our customers' specific needs. With over 25 years of experience, we are committed to delivering reliable and efficient electrical solutions that ensure the safety and comfort of our clients.