Electrical issues, whether big or small, are simply no match for the expert electricians at Building Systems Technologies. Since 2000, we’ve been a leading resource for high-quality residential & commercial electrical services. We ensure exceptional customer service every time. From safety inspections to electrical repair, wiring, lighting installation, panel upgrades, and more, our electricians can handle them all quickly, efficiently, and up to code. Call us now at (314) 942-9940 to request service or complete our online form below to schedule a convenient appointment in Missouri & Illinois. Same-day and 24-hour emergency services are available.