PBS

PBS (or The Public Broadcasting Service) is an American public broadcaster and television program distributor made up of more than 350 member television stations. PBS is an independently operated non-profit organization, headquartered in Arlington, Virginia, US.
PBS is funded by member station dues, the Corporation for Public Broadcasting, corporate contributions, National Datacast, pledge drives, private foundations, and individual citizens. All proposed funding for programming is subject to a set of standards to ensure the program is free of influence from the funding source.