Tech companies love to talk about their company culture.
From laid-back work spaces to "alternative" management styles, Silicon Valley giants seem to almost be in competition with each other when it comes to who has the best work environment.
But which tech company actually has the best culture according to its employees ? No, it's not Google.
Twitter actually tops the list of of all U.S. companies for best culture, according to Glassdoor's Top 25 Companies for Culture and Values report published Friday.
Tech companies overall accounted for 11 of the top 25 companies, including Google coming in third place and Facebook in fifth. All rankings were determined by an employee survey on Glassdoor's website where the employee had to rank their company's culture and values on a scale of 1 to 5.
-By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson .