The Princeton Mercer Regional Chamber of Commerce is one of the largest chambers in the state of NJ! We are a membership organization committed to promoting business growth within the Princeton Region and surrounding areas. With more than 8,000 individual contacts and more than 1300 Members, the Princeton Mercer Regional Chamber membership is primarily focused in five central New Jersey counties and stretches as far as New York, Philadelphia and Canada. We have over 100 networking and educational events each year. Come join the chamber and watch your business grow!