Api Heat Transfer Thermasys Corporation

4700 W Ironwood Dr, Franklin, WI 53132

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

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

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Homepage of Api Heat Transfer Thermasys Corporation

Their homepage, crawled JUL 2026

What they make

Power Boiler and Heat Exchanger Manufacturing332410

heat exchangers
thermal systems
data centers
food processing
power generation
air cooled
General ThermoDynamics®

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

Products

Sold by API HEAT TRANSFER THERMASYS CORPORATION · 4

ao series · ca series · type op · u tube

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

4 from the company’s own website · Company website

url-slug on https://www.apiheattransfer.com/product/ao-series/

CAREERS

Careers page — seen SEP 8, 2026

Where it is

42.86320, -87.97654 · CENSUS TIGER

COUNTY

Milwaukee County

METRO AREA

Milwaukee-Waukesha, WI

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Other plants nearby

Facility	City	Industry	Status	Distance
General ThermoDynamics	Franklin	Power Boiler and Heat Exchanger Manufacturing 332410	LIKELY ACTIVE	0.0 KM
Mccann Barrel	Milwaukee	All Other Plastics Product Manufacturing 326199	UNVERIFIED	10.5 KM
Clcm Oak Creek	Oak Creek	All Other Plastics Product Manufacturing 326199	LIKELY ACTIVE	9.7 KM
International Commerce & Marketing CORP.	Milwaukee	Other Metal Container Manufacturing 332439	ACTIVE	14.7 KM
Clcm St Francis	Saint Francis	Other Metal Container Manufacturing 332439	UNVERIFIED	14.5 KM

Every listed plant in Milwaukee County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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 EIS, NPDES, RCRAINFO, TRIS, WI-ESR · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record YXPLGLXRSTR7 · first seen JUN 2026 · last seen JUN 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110012148602 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASAPI HEAT TRANSFER

IN MILWAUKEE COUNTY8 other plants share this one’s industry (Boiler, Tank, and Shipping Container Manufacturing, NAICS 3324); 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: API HEAT TRANSFER · JUL 2026; SAM.gov: API HEAT TRANSFER THERMASYS CORPORATION · JUN 2026 · ON THIS PAGE
Street address: EPA: 4700 W IRONWOOD DR · JUL 2026 · ON THIS PAGE; SAM.gov: 4700 W IRONWOOD DR · JUN 2026 · ON THIS PAGE
City: EPA: FRANKLIN · JUL 2026 · ON THIS PAGE; SAM.gov: FRANKLIN · JUN 2026 · ON THIS PAGE
State: EPA: WI · JUL 2026 · ON THIS PAGE; SAM.gov: WI · JUN 2026 · ON THIS PAGE
County (FIPS code): EPA: 55079 · SEP 2026
Coordinates: Census geocoder: 42.863201241644,-87.976541501036 · JUL 2026 · ON THIS PAGE; EPA: 42.86309,-87.97652 · JUL 2026 · ON THIS PAGE
Website: SAM.gov: apiheattransfer.com · JUN 2026
CAGE code: SAM.gov: 4C8A9 · JUN 2026
SAM registration expires: SAM.gov: 2027-06-16 · JUN 2026

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