Pennsylvania Transformer Technology (PTT), a Quanta Services company, is a U.S.-owned leader in designing and manufacturing utility-grade oil-filled power transformers from 5 MVA to 750 MVA and up to 500 kV. With nearly a century of expertise dating back to 1929, PTT serves diverse industries including energy (generation, transmission, and renewable power), industrial manufacturing, and infrastructure sectors such as transportation and EV systems. Operating world-class ISO 9001:2015-certified facilities in Canonsburg, PA, and Raeford, NC, PTT combines advanced engineering, precision manufacturing, and lifecycle support to deliver reliable, high-performance transformers across nine different types of power applications.
See examples of Pennsylvania Transformer Technology’s lineup of power and specialty transformers, ranging from 5 MVA to 750 MVA and up to 500 kV, with applications for utilities, industry, renewables, and infrastructure.
Pennsylvania Transformer Technology provides comprehensive transformer and high-voltage breaker maintenance, repair, testing, and parts support to ensure reliable performance and extend equipment life for utilities and industries.
Pennsylvania Transformer has the luxury of two domestic production facilities that manufacture power transformers. We have been building transformers in our Canonsburg, PA facility since the 1950s and in our Raeford, NC facility since it was built in 1992. Experience matters.
Pennsylvania Transformer Technology, founded in 1929, is a U.S.-owned transformer manufacturer under Quanta Services, blending legacy expertise with modern engineering at two domestic facilities. Headquartered in Canonsburg, PA—formerly home to McGraw-Edison and Cooper Power Systems—the company also operates a Raeford, NC plant producing transformers for nearly 30 years. Proven designs, proven processes—experience matters.
Pennsylvania Transformer Technology (PTT) is an outstanding place to work – just ask our crew! We are a growing company that offers a safe, team-oriented environment where you can learn, earn, and grow. Whether you’re starting your career or looking for long-term employment, PTT is the place to build your future.
Need assistance or want to discuss how our power transformer solutions can support your utility or industrial project? Contact Pennsylvania Transformer Technology, a U.S.-based leader in transformer design—reach us below to get expert help from our engineering, sales, or technical services teams.
