| Name | Relationship | Activity | State | EIN |
|---|---|---|---|---|
| SI Albion | Related tax-exempt org | Local Union | PA | 043623253 |
| SI Bennar Township | Related tax-exempt org | Local Union | PA | 352479849 |
| SI Camp Hill | Related tax-exempt org | Local Union | PA | 364492726 |
| SI Cambridge Springs | Related tax-exempt org | Local Union | PA | 020621471 |
| SI Chester | Related tax-exempt org | Local Union | PA | 010657442 |
| SI Coal Township | Related tax-exempt org | Local Union | PA | 020565920 |
| SI Dallas | Related tax-exempt org | Local Union | PA | 043633843 |
| SI Elizabethtown | Related tax-exempt org | Local Union | PA | 043689961 |
| SI Fayette | Related tax-exempt org | Local Union | PA | 020621455 |
| SI Forest | Related tax-exempt org | Local Union | PA | 203172066 |
| SI Frackville | Related tax-exempt org | Local Union | PA | 743036411 |
| SI Greene | Related tax-exempt org | Local Union | PA | 030418682 |
| SI Houtzdale | Related tax-exempt org | Local Union | PA | 200091020 |
| SI Huntingdon | Related tax-exempt org | Local Union | PA | 020565928 |
| SI Laurel Highlands | Related tax-exempt org | Local Union | PA | 010637891 |
| SI Mahanoy | Related tax-exempt org | Local Union | PA | 010652574 |
| SI Mercer | Related tax-exempt org | Local Union | PA | 020568469 |
| SI Muncy | Related tax-exempt org | Local Union | PA | 010657591 |
| SI Norristown State Hospital | Related tax-exempt org | Local Union | PA | 010657452 |
| SI Phoenix | Related tax-exempt org | Local Union | PA | 010657607 |
| SI Pine Grove | Related tax-exempt org | Local Union | PA | 010637879 |
| SI Quehanna | Related tax-exempt org | Local Union | PA | 030462310 |
| SI Retreat | Related tax-exempt org | Local Union | PA | 043623277 |
| SI Rockview | Related tax-exempt org | Local Union | PA | 030409495 |
| SI Smithfield | Related tax-exempt org | Local Union | PA | 010652407 |