| Business | Phone |
| Elizabeth Boro Municipal Auth 1 Locust St, Elizabeth 15037 | (412) 384-3686 |
| Elizabeth Boro Sewage Plant 1 Locust St, Elizabeth 15037 | (412) 384-7270 |
| Elizabeth Secretary's Office 206 S 3rd Ave, Elizabeth 15037 | (412) 384-7771 |
| Lincoln Boro Secretary 45 Abes Way, Elizabeth 15037 | (412) 751-2655 |