Town of Smithtown
Kings Park Chamber of Commerce | PO Box 322 Kings Park, NY 11754**
Nesconset Chamber of Commerce | P.O. Box 392, Nesconset, NY 11767*
St. James Chamber of Commerce | 359 Lake Ave So., St. James, NY 11780
The Greater Smithtown Chamber of Commerce | 79 E. Main St. Suite E, Smithtown, NY 11787**