Since 1982, Security Equipment Supply (SES) has been a trusted leader in the low-voltage industry. Starting as a single location in St. Louis, we've grown to 16 fully-stocked warehouses and showrooms across the Central U.S., driven by our commitment to exceptional customer service. ​ ​ At SES, we view ourselves as more than just a supplier – we are your business partner. Our goal is to support your success by delivering personalized service, expert knowledge, and industry-leading low-voltage products, including Burglar and Fire protection, CCTV, Home Theater, Access Control, and more. ​ We offer services designed to make your business more efficient, such as Same Day Shipping and Grab-n-Go, ensuring fast, reliable access to the products you need. Our competitive pricing and expert team are here to provide solutions that drive your business forward. ​ SES is a customer-focused alternative to large corporate competitors. We answer the phone when you call and strive to make every interaction seamless and productive, helping you achieve long-term success.