Pennsylvania Transformer Technology, LLC.
Canonsburg, PA Headquarters
A Leading U.S. Manufacturer of High-Performance Power Transformers
Pennsylvania Transformer Technology (PTT) is a U.S.-owned leader in designing and manufacturing utility-grade power transformers, with capabilities spanning 5 MVA to 600 MVA and 345 kV applications. Backed by nearly a century of expertise and dual domestic production facilities, PTT delivers engineered transformer solutions, parts, and lifecycle services to industrial and electric utility clients.
Reliable High-Capacity Power Transformers Product Information
See Pennsylvania Transformer Technology’s full lineup of power and specialty transformers, ranging from 5 MVA to 600 MVA and up to 345 kV, with applications for utilities, industry, and infrastructure.
PRODUCT INFOComprehensive Expert Transformer Service Solutions & Replacement Parts
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.
PARTS & SERVICE
Multiple Domestic Transformer Production Facilities
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.
FACILITY INFONearly a Century of Transformer Innovation and Experience
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.
ABOUT PTT
QUESTIONS...LET'S TALK
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 manufacturing—reach us below to get expert help from our engineering, sales, or technical services teams.
CONTACT PTT