Cities with the most
| City | Inspection stations |
|---|---|
| Philadelphia | 34 |
| Reading | 3 |
| East Stroudsburg | 3 |
Overture Maps Places (release 2026-10-21.0) · CDLA Permissive 2.0 / Apache 2.0 / CC0
Largest brands and chains
| Brand or chain | Locations |
|---|---|
| Leonard's Auto Tag Service | 5 |
| Commonwealth Auto Tags | 4 |
| Northeast Title | 1 |
| Low Cost Interlock | 1 |
| AAA Central Penn | 1 |