September 20, 2011, 12:00 PM —
In the world of tech news, there are certain number of players that dominate the headlines. Apple! Microsoft! Dell! Oracle! IBM! Facebook! And yet the world of the tech business is much deeper than this, and there are many companies that employ thousands and make billions and yet don't have much of a profile among even the tech-savvy observers.
This article doesn't pretend to offer a comprehensive list of such corporations, but the six companies profiled here do serve as a stand-in for the kind of below-the-radar firms that any tech observer should know more about. They aren't consumer focused; they aren't flashy or led by charismatic visionaries; they sell to people who sell to people who sell to you; and the modern world wouldn't work right without them.