Legence Corp is a provider of engineering, installation and maintenance services for mission-critical systems in buildings. It focuses on high-growth sectors that have technically demanding buildings, including technology, life sciences, healthcare and education. The company specializes in designing, fabricating and installing complex HVAC, process piping and other mechanical, electrical and plumbing (MEP) systems for new facilities and upgrading HVAC, lighting and building controls in existing facilities to make them more energy efficient and sustainable.