| Business | Phone |
| Holiday City At Monroe 600 Caribbean Way, Williamstown 8094 | (856) 262-7918 |
| Knights Of Columbus 135 N Black Horse Pike, Williamstown 8094 | (856) 629-3352 |
| Monroe Township Republican Glassboro Rd, Williamstown 8094 | (856) 629-9437 |
| New Jersey Assn For Retarded Us Hwy No 322 & Hwy No 555amp;, Williamstown 8094 | (856) 629-2721 |
| South Jersey Public Employees 2299 Fries Mill Rd, Williamstown 8094 | (856) 881-2675 |
| Veterans Of Foreign Wars 1616 1940 N Black Horse Pike, Williamstown 8094 | (856) 629-8963 |