Today, the company is a multi-trade industrial contractor powering industry solutions and sustaining critical operations across electrical, mechanical, civil, communications, maintenance, and emerging technology—from major construction projects to the ongoing work that keeps critical operations running as a trusted service partner of choice. MelKay provides electrical, mechanical, and plumbing construction and maintenance as well as HVAC, fire, security, communication, and safety systems to customers in southern Indiana, western Kentucky, and southern Illinois.