Main Line Mac Users Group
The Main Line Macintosh Users Group meets on the second Saturday of each month, on Philadephia's Main Line. Start time for the meetings is 9:00 AM. Please check the website for a lot of useful information.
Princeton Mac Users Group
A club for Macintosh computer enthusiasts that is based on the campus of Princeton University, Princeton, New Jersey. Through PMUG, members both new and expert share their interests, talents, and skills in the Macintosh environment so that others may benefit.
The Macintosh Business Users Society of Greater Philadelphia
This is the only user group in the United States that focuses on the business and professional uses of the Macintosh operating system.