Contact Extreme Electrical Contractors LLC
Request a quote or schedule an appointment today.
About
Extreme Electrical Contractors LLC is a trusted O'Fallon, Missouri electrical contractor delivering professional, customer-focused service for homes and businesses. Specialties include electrical installations and upgrades, panel renovations, lighting design and retrofits, EV charging station installation, and thorough electrical safety inspections. Rated 4.9/5 based on 139 reviews, we combine licensed expertise with reliable communication, on-time performance, and neat, safe workmanship. What sets us apart is our commitment to keeping you informed, offering transparent pricing, and delivering tailored, long-lasting solutions that fit your budget and schedule—so you can rely on a safe, efficient electrical system with minimal disruption.