Harbor Seal INC
909 S Mytle, Monrovia, CA 91016
UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE
Present in a source dataset, with no recent operating signal.
What they make
Gasket, Packing, and Sealing Device Manufacturing339991Where it is
34.14218, -118.00147 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| B and H Signs | Monrovia | Sign Manufacturing 339950 | UNVERIFIED | 0.1 KM |
| Amada Weld Tech INC | Monrovia | Welding and Soldering Equipment Manufacturing 333992 | ACTIVE | 1.2 KM |
| Miracleworks INC | Monrovia | Jewelry and Silverware Manufacturing 339910 | UNVERIFIED | 1.1 KM |
| Lowes Home Centers, LLC #3566 | Monrovia | All Other Miscellaneous Manufacturing 339999 | UNVERIFIED | 1.3 KM |
| Monrovia | Monrovia | All Other Miscellaneous Manufacturing 339999 | LIKELY ACTIVE | 2.7 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 6 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | JAN 2019 | JAN 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
