James E. Roberts Obayashi CORP. Hq

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
HPHandstands Promo LLC - Walnut creek	Walnut Creek	All Other Miscellaneous General Purpose Machinery Manufacturing 333998	◐ LIKELY ACTIVE	10.0 KM
Ln Curtis & Sons	Walnut Creek	All Other Miscellaneous Manufacturing 339999	● ACTIVE	12.4 KM
MSMarvac Scientific Mfg Company	Concord	Air and Gas Compressor Manufacturing 333912	◐ LIKELY ACTIVE	16.3 KM
Advanced Office Systems, INC	Concord	Conveyor and Conveying Equipment Manufacturing 333922	● ACTIVE	21.8 KM
PTPenske Truck Leasing Co., LP	Oakland	Measuring, Dispensing, and Other Pumping Equipment Manufacturing 333914	◇ UNVERIFIED	18.4 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 110071839546 · first seen OCT 2024 · last seen OCT 2024

IN CONTRA COSTA COUNTY25 other plants share this one’s industry (Other General Purpose Machinery Manufacturing, NAICS 3339); 2 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: JAMES E. ROBERTS OBAYASHI CORP. HQ · OCT 2026

Street address

EPA: 20 OAK CT. · OCT 2026

City

EPA: DANVILLE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06013 · OCT 2026

Coordinates

EPA: 37.816589,-121.995385 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026