Their corporate office is now open (looks nice!) with space to add new employees. They currently employ around 200. Hopefully they do add the additional 100 that they have space for!
http://www.kbtx.com/content/news/Tech-company-opens-new-facility-brings-new-jobs-479346123.html
http://www.kbtx.com/content/news/Tech-company-opens-new-facility-brings-new-jobs-479346123.html