Windrock, based in Knoxville, Tenn., designs, manufactures and distributes portable and online monitoring and diagnostic instruments, software, sensors and systems for reciprocating machinery. The company s products are used by operators, engineers and maintenance personnel to monitor, trend, alarm and diagnose the mechanical condition and performance of reciprocating engines, compressors and pumps. Windrock specializes in reciprocating and rotating machinery, analysis equipment and monitoring systems. Its product line includes the tools to measure parameters, such as pressure, vibration, and ultrasonic on the machine. The products also calculate horsepower, flow balance, capacity and valve losses. The measurements and calculations diagnose performance and mechanical malfunctions, such as leaking valves, blow by, ignition problems and engine balance.