Silicon Valley’s annual technology awards, the Crunchies, are coming up January 31, 2012.

The Crunchies have been co-hosted by TechCrunch, GigaOm and VentureBeat every year since their inception in 2007. This year, the awards will be held in glamorous Davies Symphony Hall in San Francisco, and we hear there will be a swell after-party. Stay tuned for details on how to get tickets.

We’ll be accepting nominations until midnight Pacific time tomorrow (December 13th, at 11:59pm PT, to be exact).

There are 20 categories, including Best Startup, Best Mobile App, Best Design, and Best Technology Achievement. Last year, Twitter took the award for the Best Overall Startup, and you can check out the full list of 2010 winners.

We’ve already received more than 280,000 nominations. (Whoa.) You can nominate someone else’s product or startup, or nominate your own, and then campaign for your favorites on Twitter and Facebook.

In January, we’ll announce the finalists and call for a second round of voting.

Get your nominations in now.