Here is a list of some of Regional, National and Professional Golf Organizations...

Regional Organizations

Middle Atlantic Golf Association

Washington Metro Golf Association

Virginia State Golf Association

Delaware State Golf Association

National Organizations

United States Golf Association

Golf Course Superintendents

JuniorLinks

Club Managers Association

Professional Organizations

Middle Atlantic Section	PGA Tour	Champions Tour	LPGA Tour
Nationwide Tour	Constellation Energy Classic	Melwood Prince George's County Open