For more than three decades, Sigma Engineering has evolved from a specialized power quality engineering company into one of Egypt's leading designers and manufacturers of advanced power electronics and energy management systems. Continuous investment in research and development has enabled the company to deliver innovative, high-reliability products serving industrial, utility, telecommunications, oil & gas, and commercial sectors in Egypt and international markets.

Sigma Engineering – Company Milestones

1988 – Company Foundation

Sigma Engineering was established in Egypt as an engineering company specializing in power quality solutions, providing advanced engineering services to industrial and commercial customers.

2003 – Beginning of Manufacturing

Sigma Engineering established its manufacturing facility in Obour City, approximately 20 km from Cairo. Reflecting the company's innovation-driven philosophy, the Research & Development (R&D) Department was established even before the manufacturing facility was fully completed.