Electronically Speaking, Gateway’s Got It! For over three decades, Gateway Electronics has offered a wide selection of electronic components through our retail stores. Gateway Electronics is a full-line distributor, and we also offer numerous components discovered in the surplus market. Now, in addition to visiting our walk-in locations in St. Louis Missouri, San Diego California, and you can visit Gateway via the World Wide Web! We welcome browsers and invite you to explore our site frequently. With over 12,000 items in stock and new products arriving daily this WWW location will grow and change often!