Chem Service Inc
660 Tower Lane, West Chester, PA 19381
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE
Operating signal within 24 months, or from a single source.
What they make
All Other Basic Organic Chemical Manufacturing325199Where it is
39.96510, -75.62657 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Arkema Inc/west Chester | West Chester | All Other Basic Organic Chemical Manufacturing 325199 | ACTIVE | 3.2 KM |
| West Chester Branch 28 | West Chester | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 3.5 KM |
| Shannon Chemical Corporation | Exton | Other Basic Inorganic Chemical Manufacturing 325180 | ACTIVE | 5.6 KM |
| Veltek Associates, Inc. - CW | Exton | All Other Basic Organic Chemical Manufacturing 325199 | LIKELY ACTIVE | 6.5 KM |
| Cookson Matthey/west Chester | West Chester | Basic Chemical Manufacturing 325100 | UNVERIFIED | 7.3 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 2 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.