Sean Alexander Marine Services, INC.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
BCBishop-wisecarver Corporation	Pittsburg	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	◐ LIKELY ACTIVE	12.7 KM
Ferrotec (usa) Corporation	Livermore	Semiconductor and Related Device Manufacturing 334413	● ACTIVE	34.6 KM
Shields, Harper & CO.	Martinez	Other Metal Valve and Pipe Fitting Manufacturing 332919	● ACTIVE	31.0 KM
Peridot Corporation	Pleasanton	Spring Manufacturing 332613	● ACTIVE	39.5 KM
Pleasanton Tool & Manufacturing, INC.	Pleasanton	Machine Shops 332710	● ACTIVE	39.6 KM

Every listed plant in Contra Costa 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 110072068452 · first seen SEP 2025 · last seen SEP 2025

IN CONTRA COSTA COUNTY18 other plants share this one’s industry (Motor Vehicle Parts Manufacturing, NAICS 3363); 0 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: SEAN ALEXANDER MARINE SERVICES, INC. · OCT 2026

Street address

EPA: 100 BIG BREAK ROAD · OCT 2026

City

EPA: OAKLEY · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06013 · OCT 2026

Coordinates

EPA: 38.011522,-121.732964 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026