Seal Methods INC.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Brechtel Manufacturing, INC	Hayward	Analytical Laboratory Instrument Manufacturing 334516	● ACTIVE	1.2 KM
Heco Pacific Manufacturing INC	Union City	Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 333923	● ACTIVE	3.0 KM
Arif International Corporation	Fremont	Industrial Valve Manufacturing 332911	● ACTIVE	8.9 KM
CCCoast Crane Company	San Leandro	Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 333923	◐ LIKELY ACTIVE	13.1 KM
Vacuum Products Corporation	Fremont	Industrial Valve Manufacturing 332911	◐ LIKELY ACTIVE	14.6 KM

Every listed plant in Alameda County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071054620 · first seen JUL 2021 · last seen JUL 2021

IN ALAMEDA COUNTY93 other plants share this one’s industry (Other General Purpose Machinery Manufacturing, NAICS 3339); 7 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: SEAL METHODS INC. · OCT 2026

Street address

EPA: 30776 HUNTWOOD AVE. · OCT 2026

City

EPA: HAYWARD · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06001 · OCT 2026

Coordinates

EPA: 37.617077,-122.054763 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026