| Pennsylvania |
| Active Locals |
| Local |
Company |
City |
| 1296 |
JCI York Int'l (Frick) |
Waynesboro |
| 1443 |
P.R. Hoffman |
Carlisle |
| 1872 |
JCI (Navy) |
York |
| 1872 |
JCI (Test Lab) |
York |
| 1872 |
Navistar |
York |
| 1872 |
Caterpillar, Inc. |
York |
| 1968 |
ESAB Welding & Cutting Products |
Hanover |
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