At last week's Mobile World Congress in Barcelona, there were clearly some companies that emerged stronger than ever. Likewise, there were those that failed to get their message heard among the noise and hype. In tough economic times, it's particularly important for companies to make a statement at Mobile World Congress because it often sets the tone for the rest of the year. Here's a rundown of the Fierce editorial team's scorecard on the companies that emerged as the winners and losers at last week's confab.

Click here to see the Winners and Losers in U.S. Operators, Handsets, Infrastructure Vendors, App Stores and Operating Systems...

Icons used in this report attributed to Snap2Objects used under a CC license.