Wikipedia
ProPublica is a non-profit corporation based in New York City. It describes itself as an independent non-profit newsroom that produces investigative journalism in the public interest. In 2010 it became the first online news source to win a Pulitzer Prize, for a piece written by one of its journalists and published in The New York Times Magazine as well as on ProPublica.org. ProPublica's investigations are conducted by its staff of full-time investigative reporters and the resulting stories are given away to news 'partners' for publication or broadcast. In some cases, reporters from both ProPublica and the news partners work together on a story. ProPublica has partnered with more than 90 different news organizations.
On August 5, 2015, Yelp announced a partnership with the company to help improve their healthcare statistics.