Would it be companies’ concerns or companies concerns

Companies’ concerns

Explanation:

This means that they are the concerns of two or more companies. When dealing with the plural possessive, always add the apostrophe at the end of the word.

umm we do not your answer or what you are talking about

i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )