BATON ROUGE, La. & SEATTLE–(BUSINESS WIRE)–Optimum Energy Co., a global holistic infrastructure solutions company, today announced the acquisition of Hussung Mechanical Contractors and HMC Service Company, a full-service mechanical infrastructure services firm for healthcare systems, universities, manufacturers, data centers and mission critical facilities across the Mid-South for over 60 years. Hussung will continue operating under its own name as HMC, as part of the Optimum Energy group.