These are the people I have used for over 10 years. My dad has used them for 30 years, its a family owned practice and I went to him when I was pregnant with my first. His prices are good and he really helps. Here's his FB page with hours and address.It's in Hiram.
http://www.facebook.com/?ref=home#!/pages/Hiram-GA/Arnold-Chiropractic-Life-Center/139494452390?ref=ts