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Twitter originally moved into the 20th floor of the Century Square building last year but has since expanded.

Twitter is growing its presence in the Seattle area.

The company confirmed today that it just expanded its current office in downtown Seattle, leasing the 19th floor in the Century Square building.

Twitter first opened up its Seattle engineering office in early 2014 on the 20th floor of the same building and has grown its workforce to just under 100 employees.

Now, it occupies the floor directly below, where there is room for another 100 employees.

“Seattle has all the right ingredients: Major tech companies, great universities and a startup scene that does a ton of innovation,” Chris Fry, Twitter’s then-Senior VP of Engineering, told GeekWire when the office originally opened. “Seattle is a great place to have an engineering office. We definitely came here with a purpose.”

The new space has a yoga room and large Scrabble display board with words like “Sounders,” “Seahawks,” “12thMan,” and “#Seattle.”

Twitter is one of many Silicon Valley tech companies that have not only opened satellite offices in Seattle, but grown them considerably. For example, Facebook opened a small engineering office in Seattle in 2010, but quickly outgrew the space and moved to bigger digs at the Metropolitan Park Towers. Now, the social networking giant employs 500 in Seattle and is moving into a new office with room for as many as 2,000 employees.

There’s also other tech giants like Google, which established a presence in Kirkland 10 years ago. It now employs more than 1,000 people in the area, split between offices in Kirkland, Bothell and Seattle’s Fremont neighborhood. In 2013, the company doubled down on the Seattle area, announcing plans to add onto its Kirkland campus with a new 180,000 square foot development, one with enough room for an additional 700 employees.

Check out all the engineering outposts established by companies from outside the area here.

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