Big Beam Emergency Systems is a true icon & pioneer in the Lighting Industry since 1938. Nationally specified & Made in USA! Big Beam offers a wide variety of popular solutions, custom, and specialized emergency and exit sign systems. Manufactured in our 50,000sq/ft facility in Crystal Lake, IL. Big Beam can also serve all Chicago & New York Approved solutions, high quality Inverters and Batteries. Please contact our friendly staff or your local representative with any requests.