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| RORust Oleum | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
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| VRValspar - Rockford Facility | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
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| PBPierce Biotechnology INC | Rockford | IL | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SNStandox North America | Rockford | IL | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| FPFernway Prairie State LLC | Rockford | IL | Chemical Manufacturing325411 | 1-19 | ◐ LIKELY ACTIVE |
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| UIUSA IL Rockford Nelson Boulevard Plant | Rockford | IL | Chemical Manufacturing325130 | 20-99 | ◐ LIKELY ACTIVE |
| UIUSA IL Rockford Technology Drive Plant | Rockford | IL | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |