Owing to the criticality of this material testing method, it cannot be conducted by anyone without a proper certificate to do so. There are a lot of people who are already looking for getting certified in this domain as well and improve their skills further. For them, there are a couple of good schools that are involved in offering best non destructive testing course online in Houston.
Global NDE Guru is one of the leading institutes that is engaged in offering online NDT training. Their NDT training and certification courses are available in ET,MT,ML,PT,UT,RT,RTFI and VT methods, both online and classroom.