Some major or once-major technology companies may be up for grabs. Yahoo, Research in Motion, and Hewlett-Packard, and a number of other companies have fallen on hard times. As the tech industry goes through another of its tumultuous periods, here are three companies to keep an eye on.

1. Netflix ^[1] – The company hasn’t come up in polite takeover conversation just yet, but the company’s stock is falling, and with Qwikster now handling the DVD business, it’s not clear what Netflix’s place is in the market. CEO Reed Hastings sits on Microsoft’s board, which may present one route of egress.

2. Research in Motion ^[2] – The BlackBerry maker has been struggling for some time now, and the company’s inability to reclaim a substantial share of the market from Apple and other smartphone makers has crippled the company. There has been talk of selling the company, but no solid offers.

3. AOL ^[3] – Investors seem to be looking at AOL not as a whole but as a collection of parts for the moment. The company holds the Huffington Post, Moviefone, Patch, and other properties, but whether that means a buyer will be interested in scooping up the lot is unclear.

Read more at Forbes ^[4].