Original sentence: In the USA, two of the several organizations that claim to try to counter intolerance and hate groups are the Anti-Defamation League (ADL) and the Southern Poverty Law Center (SPLC).The ADL and the SPLC  list what they consider hate groups, supremacist groups, anti-Semitic, anti-government or extremist groups that have committed hate crimes
Edited sentence: In the USA, two of the several organizations that try to counter intolerance and hate groups are the Anti-Defamation League (ADL) and the Southern Poverty Law Center (SPLC).The ADL and the SPLC  list hate groups, supremacist groups, anti-Semitic, anti-government or extremist groups that have committed hate crimes