The additive manufacturing industry can be extremely tricky for investors to gain a firm grasp on. The publicly traded companies in the industry include 3D Systems (NYSE:DDD), Stratasys (NASDAQ:SSYS), and ExOne (NASDAQ:XONE). These three may be the only pure-play additive manufacturing companies that investors can purchase stock in, but there are other large players with significant influence that investors should be paying careful attention to, namely General Electric (NYSE:GE) and Germany-based EOS. 

2013 AUVSI Unmanned Systems Conference

For those new to the world of additive manufacturing, GE went all-in with a purchase of industry specialist Morris Technology in November 2012. Since then there's been little news of the newly minted partnership... until now.

At this year's AUVSI Unmanned Systems conference in Washington, D.C., Motley Fool analysts Blake Bos and Rex Moore checked in with GE's additive development center marketing manager Mike Cloran to see just who Morris Technology is and how it's fitting in. Investors in any additive manufacturing company should take note, as GE's Goliath-like presence will surely change the industry. Watch the video below to get the inside scoop.