 PRINCETON JUNCTION, N.J., Nov. 02, 2020 GLOBE NEWSWIRE -- MISTRAS Group, Inc. NYSE:MG has scheduled a conference call for Thursday, November 5, 2020 at 9:00 am Eastern Time to discuss its results for the third quarter of 2020. A press release with the third quarter results will be issued after the close of market on Wednesday, November 4, 2020. 