EFF – Electronic Frontier Foundation
It has a revenue/budget of over $11 m as at 2019 and with more than 70 employees.
During inception activism was against law enforcement bodies who were ignorant of the emerging internet. EFF over the years has challenged other players including Big Tech that violates those liberties – such as privacy and obtaining patent that suppress innovations – (The Patent Busting Project).
In 2011 EFF reported to have received $1M settlement from Google on Google Buzz privacy issues.
Read more on EFF on their website: www.eff.org