For more than 30 years, Sigma Engineering had led the way with innovative technologies and ground breaking quality initiatives – literally helping to supply the power to the customer. Along the way, through the development and delivery of state-of-the-art products and uncompromising service, Sigma Engineering had also built a legacy as a leading supplier of critical power solutions and power distribution. To bridge the gap between the traditional utility grid and the needs of today’s business, Sigma Engineering offers a complete portfolio of critical power products and services, from desktop Uninterruptible power supply (GE Digital Energy UPS systems, GK industrial UPS Systems) units to engineered power systems, Automatic Transfer switch ATS and from basic UPS and battery maintenance to comprehensive services contracts covering every aspect of your power quality. Sigma Engineering offers complete end to end solutions for BUSWAY Systems by GE Industrial Solution. Sigma Engineering offers complete end to end solutions for BUSWAY Systems Cast Resin IP68 by a Russian Vendor (RTC-ELECTRO-M) Sigma Engineering offers a complete portfolio of High Efficiency automated transportation through Pneumatic Tube Systems by (Aerocom GmbH). At Sigma engineering our goals is simple – to never let power quality stand in the way of our customers’ success. That’s why Sigma Engineering is committed to continue developing and delivering. We do appreciate your interest to have a mutual cooperation together.