Summary:

Here’s a sign of how the market for companies seeking funding has loosened up over the last year. When Twitter last raised a round of ventur…

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photo: Corbis

Here’s a sign of how the market for companies seeking funding has loosened up over the last year. When Twitter last raised a round of venture funding in September 2009, it was only the second U.S.-based digital media company to raise $100 million-plus in a year and a half; one other company — Zynga — joined that club two months later when it raised $180 million in a round led by Digital Sky Technologies. By contrast, with today’s news that the microblogging service has raised $200 million from Kleiner Perkins, it joins five other companies we cover that have raised nine-digit sums in 2010.

They are:

LivingSocial: The daily deals site raised $183 million from Amazon.com (NSDQ: AMZN) and existing backer Lightspeed Ventures earlier this month. The company raised a staggering $227 million in 2010.

ZeniMax Media: The already heavily-backed video game publisher, which also has a MMOG business, raised $150 million from existing backer Providence Equity Partners in October.

Zynga: The social game maker raised nine-digit sums twice in 2010. Japanese internet and telecom firm Softbank invested $150 million in the social game maker in July. Zynga also reportedly received a $100 million to $200 million investment from Google (NSDQ: GOOG), although that investment still hasn’t been confirmed.

Groupon: The LivingSocial-rival received a $135 million investment from Digital Sky Technologies and Battery Ventures in April. Look for the company to raise at least that much again now that it has spurned Google’s $6 billion acquisition offer.

Yelp: After acquisition talks with Google fell apart, Elevation Partners agreed to invest up to $100 million in the local reviews site in January; up to $75 million of that sum was allocated toward buying up shares from employees and other existing investors.

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