Sigma Services is a designer, manufacturer, and installer of special effects systems for the entertainment industry worldwide. From hometown theater to world touring Since 1976. We have provided surprises at every turn. All our Effects are engineered with quality and sefety in mind. Rapid duty cycles and harsh environments are just some of the challenges we overcome at Sigma. Our products meet and exceed our clients' expectations. From small confetti blowers, to a giant flame cannon, or from a single effect to an entire automated show. Sigma can provide endless possibilities.