MeK-Tronics LLC is a US-based, privately held joint venture specializing in high-quality industrial controls for HVAC, Commercial, Industrial, and OEM markets. Our product range includes IEC Contactors & Overloads, Definite Purpose Contactors, Fan Relays, and Class II Transformers. Headquartered in Schaumburg, Illinois, with warehousing in Sterling, Illinois, MeK-Tronics combines American innovation with global manufacturing expertise backed by over 50 years of industry experience.