How can I find the contact information to Employment Law?

The reason why I want to find contact information, is for my class projects. So I will have my class to be concern and then write letter about the paper reducing of paycheck that are saved 7 years and it a huge wasted! So pleaseeee tell me how or if you know one! I would thank you so much!How can I find the contact information to Employment Law?start in your local state and go to the government web page.