Air Industries Group is touting a major acquisition. It picked up AMK Technical Services, which provides industrial and aerospace welding and machining services.

Novetta is enhancing its advanced analytics capabilities by acquiring both Digital Results Group and Sentinel Applied Analytics.

Global communications company, MacDonald Dettwiler and Associates (MDA) has closed the acquisition of Michigan-based company Advanced Systems, a line of businesses from General Dynamics Advanced Information Systems.

Finally in a deal worth an estimated $190 million, Esterline Technologies Corp picked up Barco NV’s Aerospace and Defense Display business.