Delta-X Research brings science to transformer risk management, so electric utility and industrial customers can make key operational and financial decisions about their critical assets with confidence. Over half of the largest utilities in the USA and Canada rely on our TOA4 software for transformer oil analysis, including the interpretation of dissolved gas analysis (DGA) data from manual tests and online monitors. Our patent-pending Reliability-based DGA far exceeds conventional DGA, so customers have a clearer understanding of both individual transformers and their entire transformer fleet to prioritize maintenance and replacements.