The word "nonpartisan" means not biased or aligned with any political party. It refers to something or someone that does not favor one party over another and remains neutral in political matters. Full definition
About The United States Conference of Mayors The United States Conference of Mayors (USCM) is the official nonpartisan organization of cities with populations of 30,000 or more. (goodnewsforpets.com)
Fossil fuel industries collect some $ 4 billion a year in tax breaks and other aid, reports Taxpayers for Common Sense, a group of nonpartisan budget watchdogs — and that figure doesn't even take into account hidden forms of support, such as the Pentagon's jet aircraft research and development that led to efficient new natural gas turbines. (discovermagazine.com)
To help fill this vacuum, CREDO (formerly known as the Center for Research on Education Outcomes), an independent nonpartisan research group at the Hoover Institution of Stanford University, evaluated the performance of TFA teachers relative to both new teachers and all teachers in the Houston Independent School District. (educationnext.org)