There can be lots of options and lots of suggestions. Thing is, you've got to want it enough to take action on some of the advice and try some of the options (all of which will involve stopping drinking).
Sounds like you have spotted one of the things that makes it hard for you - feeling isolated, working from home. Well, here's some good news. There are LOADS of AA meetings in your area. Some in the day (could act as your lunch break) and some in the evening. You could try a few of them and see how that works out...
Alcoholics Anonymous (A. A.) Meetings in Wilmington, North Carolina