http://www.dliengineering.com/default.asp

PdM Express machinery condition monitoring services are unique
services designed to provide you with all the benefits of a
condition-monitoring program without investment in equipment,
software, training and personnel.

DLI Engineering has pioneer of many methods of Predictive
Maintenance and Machinery Vibration Analysis used today. For more
than 35 years, we have implemented the largest and most successful
condition monitoring programs in the world. DLI is the developer of
the industry's only effective, automated diagnostic system for
machinery vibration analysis, available in our portable and online
data collection systems.