American Plant Maintenance (APM Steam) is a U.S.-based company specializing in steam system maintenance, inspections, and energy efficiency solutions for industrial and institutional facilities. The company helps organizations improve the reliability, safety, and performance of their steam distribution systems.

APM Steam provides services such as steam trap surveys, system diagnostics, heat exchanger assessments, and repair solutions. These services help facilities identify failing components, reduce energy losses, and maintain efficient steam operations in energy-intensive environments.

The company works with industries including food manufacturing, healthcare, pharmaceuticals, education, and other sectors that rely on steam for critical processes. Through its expertise and technical support, APM Steam helps organizations optimize steam system performance and reduce operational costs.