For more than 70 years, Wm. B. Allen Supply Co. has been supplying alarms as well as sound and access systems. Located in New Orleans, La., the company provides access systems, central vacuums, electronic items, fire alarms and home control systems. It also offers security systems, sound/video/telecom products, tools and power products. Wm. B. Allen Supply Co. carries products from a selection of manufacturers, such as Conntech, DSC, Linear, Everfocus Electronics, Potter Electric, United Security and Tane Alarm. Its video products include cameras, monitors, digital video recorders, lenses and scanners.