President Barack Obama participates in a LinkedIn town-hall-style meeting with LinkedIn CEO Jeff Weiner in 2011. REUTERS/Jason Reed Dealmaking in the tech industry is back with a bang.

Microsoft is buying LinkedIn for $26.2 billion, while computer-security company Symantec is buying Blue Coat Systems for about $4.65 billion.

Goldman Sachs' research analysts, led by Jessica Binder Graham, updated the basket of companies the bank thinks could get acquired in the next 12 months.

LinkedIn had a two ranking, meaning the research analysts thought it had a 15% to 30% probability of being involved in mergers and acquisitions activity.

Here's a list of those companies in the tech, media, and telecoms sectors with a one ranking, meaning a 30% to 50% chance of M&A in the next 12 months.

