Poly-seal CORP
1810 Portal St., Baltimore, MD 21224
UNVERIFIED2 SOURCESLAST SIGNAL —
Present in a source dataset, with no recent operating signal.
Location
ADDRESS
1810 Portal St.
Baltimore, MD 21224
Baltimore, MD 21224
COORDINATES
39.27107, -76.53551
COUNTY
METRO AREA
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
Industry
PRIMARY NAICS
EMPLOYMENT
Not reported
Sources
| SOURCE | EVIDENCE | FIRST SEEN | LAST SEEN |
|---|---|---|---|
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JUN 2016 | JUN 2016 |
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.