Eggshell, Welcome. At one point in my family journey with alcoholism I thought that if I could just get my husband away from "those people" he would return to acting the way he did before we were married. It didn't work. He found more of "those people" in the town we moved to.
Its good you are able to see that the problem is not just the friends. Took me several years and trying to fix the problem by buying a house and having a kid. Tought it would make him grow up and want to join in the family.
Keep posting, look into Alanon as the support is very important and there you can learn about the process of alcoholism and gets some tools to help you deal with the situation.
You have taken the first step.... There should be a central office phone number in the phone book/information and they can tell you where the meetings are. I started out going during the day time so it didn't disrupt the evenings and my kids were in school.