| 52 | T | Unk Well 52 | Unknown well-related service | Business |
| 54 | T | Unk Sch 54 | Unknown school - buses | Schools |
| 55 | T | Unk Plows 55 | Unknown snow plows - unknown if city or private | Public Works |
| 96 | T | UnkStreet96 | Unknown road crews (Carrollton area) - unknown city/private | Public Works |
| 101 | T | Unk Well 101 | Unknown gas / oil well service | Business |
| 116 | T | Unk Ag-Plow 116 | agri-bus / plowing (Harrison Co) | Business |
| 127 | T | Unk Salv 127 | Unknown auto salvage | Business |
| 131 | T | Unk Farm 131 | Unknown farming operation (Ohio) | Business |
| 132 | T | Unk Farm 132 | Unknown farming operation (Cadiz area) | Business |
| 140 | T | UnkRefuse140 | Unknown Refuse Hauler (Canfield area) | Business |
| 142 | T | UnkRefuse142 | Unknown refuse hauler (Austintown / Masury area) | Business |
| 146 | T | Unk Amb 146 | Unknown ambulance service (Austintown / Masury area) | EMS Dispatch |
| 193 | T | Unk Tow 193 | Unknown roadside assistance | Business |
| 205 | T | UnkRecycl204 | Unknown recycling center (Lisbon OH area) | Business |
| 206 | T | UnkRefuse206 | Unknown refuse hauler (Belmont Co area) | Business |
| 220 | T | Transport 220 | Unknown transportation company (Allegheny) | Transportation |
| 586 | T | Unk Sch 586 | Unknown School (Columbiana Co OH area) | Schools |
| 30199 | T | Unk Frac 30199 | Unknown fracking company | Business |
| 30450 | T | Unknown BDD | Unknown county Board of Developmental Disabilities -- transports | Transportation |
