Hartwell Corporation

Name: Hartwell Corporation
Address: 900 RICHFIELD RD, Placentia, CA, 92870, US

900 Richfield Rd, Placentia, CA 92870

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Their homepage, crawled JUL 2026

What they make

Hardware Manufacturing332510

Products

Made or handled here · 6

adjustable keepers · flat hinges · folding struts · hold open rods 2 · hook latches · rotary pin latches

Where these came from

6 from the company’s own website · Company website

url-slug on https://www.hartwellcorp.com/product/adjustable-keepers/

CAREERS

Careers page — seen SEP 8, 2026

Where it is

33.86335, -117.82596 · CENSUS TIGER

COUNTY

Orange County

METRO AREA

Los Angeles-Long Beach-Anaheim, CA

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Other plants nearby

Facility	City	Industry	Status	Distance
Precision Waterjet INC	Anaheim	Machine Shops 332710	ACTIVE	1.4 KM
Marine Industries West LLC	Anaheim	Hardware Manufacturing 332510	REPORTED CLOSED	3.8 KM
M & R Engineering CO.	Orange	Precision Turned Product Manufacturing 332721	ACTIVE	5.1 KM
Metal-fab Services Industry, INC	Anaheim	Rolled Steel Shape Manufacturing 331221	LIKELY ACTIVE	5.2 KM
Beartech Mfg, LLC	Placentia	Machine Shops 332710	ACTIVE	5.4 KM

Every listed plant in Orange County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 9 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 BR, CA-ENVIROVIEW, HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record RK3SLMYMLK88 · first seen SEP 2025 · last seen AUG 2026
EPA Facility Registry ServiceEXISTENCE
Records 110000480275, 110071773299 · first seen JUN 2017 · last seen AUG 2024

ALSO RECORDED ASTHE HARTWELL CORP

IN ORANGE COUNTY26 other plants share this one’s industry (Hardware Manufacturing, NAICS 3325); 4 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.

NameSOURCES DISAGREE: EPA: THE HARTWELL CORP · JUL 2026; SAM.gov: HARTWELL CORPORATION · AUG 2026 · ON THIS PAGE
Street addressSOURCES DISAGREE: EPA: 900 S. RICHFIELD RD. · JUL 2026; SAM.gov: 900 RICHFIELD RD · AUG 2026 · ON THIS PAGE
City: EPA: PLACENTIA · JUL 2026 · ON THIS PAGE; SAM.gov: PLACENTIA · AUG 2026 · ON THIS PAGE
State: EPA: CA · JUL 2026 · ON THIS PAGE; SAM.gov: CA · AUG 2026 · ON THIS PAGE
County (FIPS code): EPA: 06059 · SEP 2026
Coordinates: EPA: 33.86335,-117.82596 · JUL 2026
Website: SAM.gov: http://www.hartwellcorp.com · AUG 2026
CAGE code: SAM.gov: 83014 · AUG 2026
SAM registration expires: SAM.gov: 2027-07-28 · AUG 2026

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