Direct Industry http://www.directindustry.com/tab/oros.html

The Sound and Vibration Site http://www.svcommunity.com
Test and Measurement http://www.tmworld.com
Evaluation Engineering http://www.evaluationengineering.com/
Experimental Techniques http://www.sem.org/Publications.asp
Sensors http://www.sensorsmag.com
Ppmdirect http://ppmdirect.com/shopping/asp/default.asp
Maintexpert http://www.maintexpert.com/indexmaintexpert.htm