Maclean Power Systems

MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility, telecommunications, and civil infrastructure markets. Since 1986, we’ve grown from a small subsidiary into a trusted industry leader—engineering and manufacturing the mission-critical components that keep the grid strong and communities powered. With over 1,600 team members and nine production facilities across North America, MPS designs and delivers thousands of high-performance products, including insulators, surge arresters, anchoring systems, and pole line hardware. Our vertically integrated operations ensure consistent quality, dependable supply, and lasting performance across every product we make. At MPS, we’re LEADING THE WAY™ in building a stronger, more resilient future—through advanced manufacturing, safety-first practices, and an unrelenting commitment to excellence.