Heirloom Carbon Technologies, INC.

What they make

• removes
• Direct Air
• Northwestern Louisiana

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Open positions

Openings read from Heirloom Carbon Technologies, INC.’s own job board on Ashby, last checked OCT 20, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Senior Project Engineer – Oxy-Combustion
  Brisbane, CA · EPC · posted OCT 13, 2026
• Senior Project Engineer – Solar & BESS
  Brisbane, CA · Remote · EPC · posted OCT 6, 2026
• Senior Mechanical Engineer
  Brisbane, CA · Engineering · posted AUG 3, 2026

Where it is

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Every listed plant in San Mateo County

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.

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 RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record MJX6YPKHBNJ5 · first seen JUN 2026 · last seen JUN 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110071318298 · first seen SEP 2022 · last seen SEP 2022

IN SAN MATEO COUNTY23 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 1 of them has 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: HEIRLOOM CARBON TECHNOLOGIES INC · JUL 2026 · ON THIS PAGE

SAM.gov: HEIRLOOM CARBON TECHNOLOGIES, INC. · JUN 2026 · ON THIS PAGE

Street address

EPA: 125 VALLEY DR · JUL 2026 · ON THIS PAGE

SAM.gov: 125 VALLEY DR · JUN 2026 · ON THIS PAGE

City

EPA: BRISBANE · JUL 2026 · ON THIS PAGE

SAM.gov: BRISBANE · JUN 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · JUN 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06081 · SEP 2026

Coordinates

EPA: 37.687015,-122.401003 · JUL 2026

Website

SAM.gov: https://www.heirloomcarbon.com/ · JUN 2026

CAGE code

SAM.gov: 8PXZ9 · JUN 2026

SAM registration expires

SAM.gov: 2027-06-02 · JUN 2026