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Kowalski Heat Treating CO.

3611 Detroit Ave, Cleveland, OH 44113

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 6 SOURCES

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

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Homepage of Kowalski Heat Treating CO.
Their homepage, crawled JUL 2026

What they make

Metal Heat Treating332811
CAREERS
Careers page — seen SEP 8, 2026

Where it is

41.48864, -81.71365 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

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A-classic Steel Treating INCClevelandMetal Heat Treating
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Every listed plant in Cuyahoga County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 sources hold this plant, and 13 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, OH-CORE, RCRAINFO · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record TZWLGLUKLNY9 · first seen FEB 2026 · last seen OCT 2026
  • OSHA injury and illness reportsOPERATING
    Record 170850 · first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 341173340|OH|44113|3611 detroit ave · first seen AUG 2025 · last seen AUG 2025
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record OH|cleveland|3611 detroit ave · first seen FEB 2021 · last seen FEB 2021
  • EPA Facility Registry ServiceEXISTENCE
    Record 110004624121 · first seen JAN 2015 · last seen JAN 2015

ALSO RECORDED ASKOWALSKI HEAT TREATING

IN CUYAHOGA COUNTY105 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 51 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: KOWALSKI HEAT TREATING · JUL 2026
SAM.gov: KOWALSKI HEAT TREATING CO. · ON THIS PAGE
Street address
EPA: 3611 DETROIT AVE · JUL 2026 · ON THIS PAGE
SAM.gov: 3611 DETROIT AVE · ON THIS PAGE
City
EPA: CLEVELAND · JUL 2026 · ON THIS PAGE
SAM.gov: CLEVELAND · ON THIS PAGE
State
EPA: OH · JUL 2026 · ON THIS PAGE
SAM.gov: OH · ON THIS PAGE
County (FIPS code)
EPA: 39035 · SEP 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 41.48864206561,-81.713653354435 · JUL 2026 · ON THIS PAGE
EPA: 41.48836,-81.71456 · JUL 2026
Employees (band)
OSHA: 20-99 · DEC 2025
Website
SAM.gov: www.khtheat.com
Year established
Company website: 1975 · AUG 2026
CAGE code
SAM.gov: 3ZHJ6
Retirement plan filing (Form 5500)
DOL: 25 active participants, plan year ending 2025-08-31, 1 plan(s) · AUG 2025
PPP loan
SBA PPP: PPP loan x2, approved 2021-02-03, 37 jobs reported · FEB 2021
SAM registration expires
SAM.gov: 2027-02-17

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