MacLean Power Systems

MacLean Power Systems (MPS), headquartered in Fort Mill, South Carolina, is a leading manufacturer of mission-critical and engineered components for the electric utility, telecommunications, and civil infrastructure markets. Since our founding in 1986, MPS has grown from a subsidiary into an independent industry leader known for quality, innovation, and customer focus. With over 1,600 team members and nine production facilities across North America, we deliver thousands of high-performance products—from insulators and surge arresters to anchoring systems and pole line hardware. Our vertically integrated operations ensure consistent quality and supply chain dependability, supporting the “Guardians of the Grid” who keep power flowing to communities worldwide. At MPS, we are proud to be Connecting People for Good, investing in advanced manufacturing, safety-first practices, and the long-term success of the critical infrastructure we help power.