FactoryRegistry
Claim a page

Matheson Trigas - Longmont Branch

1861 Lefthand Cir, Not Applicable, Longmont, CO 80501

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 3 SOURCES

Operating signal within 24 months, or from a single source.

DirectionsClaim this pageGet the badge

What they make

Industrial Gas Manufacturing325120

Where it is

40.14096, -105.12480 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Longmont PlantLongmontIndustrial Gas Manufacturing
325120
 LIKELY ACTIVE0.1 KM
Gas Safety and Systems Consultants, LLCLongmontIndustrial Gas Manufacturing
325120
 ACTIVE4.3 KM
Hipposmith INCBoulderAir-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333415
 ACTIVE9.9 KM
Boulder Scientific Company, LLCLongmontAll Other Basic Organic Chemical Manufacturing
325199
 ACTIVE12.5 KM
Boulder Scientific Company CactusLongmontAll Other Basic Organic Chemical Manufacturing
325199
 LIKELY ACTIVE12.5 KM

Every listed plant in Boulder County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold 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 AIR, AIRS/AFS, BR, EIS, ICIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

  • EPA Facility Registry ServiceEXISTENCE
    Record 110002446835 · first seen JUN 2026 · last seen JUN 2026
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA ECHO compliance recordsOPERATING
    first seen APR 2024 · last seen APR 2024

IN BOULDER COUNTY10 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 3 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: MATHESON TRIGAS - LONGMONT BRANCH · NOV 2026
Street address
EPA: 1861 LEFTHAND CIR · NOV 2026
City
EPA: LONGMONT · NOV 2026
State
EPA: CO · NOV 2026
County (FIPS code)
EPA: 08013 · NOV 2026
Coordinates
EPA: 40.14096,-105.1248 · NOV 2026
Hazardous waste generator (RCRA)
EPA ECHO: LQG · NOV 2026

Report a correction · Request removal