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Monarch Mfg Works INC

2501 East Ontario Street, Philadelphia, PA 19134

UNVERIFIEDLAST SEEN IN FEDERAL DATA OCT 2020 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Heating Equipment (except Warm Air Furnaces) Manufacturing333414

Where it is

39.98934, -75.10016 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Crown BoilerPhiladelphiaHeating Equipment (except Warm Air Furnaces) Manufacturing
333414
LIKELY ACTIVE1.8 KM
Encyclomedia INCPhiladelphiaAll Other Basic Organic Chemical Manufacturing
325199
LIKELY ACTIVE5.3 KM
The Stronghold Group LLCPhiladelphiaSurgical Appliance and Supplies Manufacturing
339113
ACTIVE8.0 KM
Par Automation Solutions, LLCPhiladelphiaPolish and Other Sanitation Good Manufacturing
325612
ACTIVE10.9 KM
Victory Apartments RedevelopmentCherry HillAir-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333415
UNVERIFIED15.1 KM

Every listed plant in Philadelphia County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 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 NCDB, PA-EFACTS, RCRAINFO, TRIS · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen OCT 2020 · last seen OCT 2020
  • EPA Facility Registry ServiceEXISTENCE
    Record 110001041248 · first seen DEC 2015 · last seen DEC 2015

IN PHILADELPHIA COUNTY2 other plants share this one’s industry (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing, NAICS 3334); 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: MONARCH MFG WORKS INC · NOV 2026
Street address
EPA: 2501 EAST ONTARIO STREET · NOV 2026
City
EPA: PHILADELPHIA · NOV 2026
State
EPA: PA · NOV 2026
County (FIPS code)
EPA: 42101 · NOV 2026
Coordinates
EPA: 39.98934,-75.10016 · NOV 2026
Hazardous waste generator (RCRA)
EPA ECHO: none · NOV 2026

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