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Api Heat Transfer Thermasys Corporation

4700 W Ironwood Dr, Franklin, WI 53132

ACTIVELAST SEEN IN FEDERAL DATA AUG 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

API Heat Transfer designs and manufactures customized and standard heat exchangers and thermal systems using air-cooled, plate, pre-engineered, and shell and tube technologies. The company serves industries including food processing, oil and gas, data centers, power generation, alternative energy, compressed air, construction, HVAC and industrial refrigeration, marine, military, mining, pharmaceuticals, and rail and locomotive applications. The company also provides aftermarket sales and service for Ketema and Whitlock heat exchangers.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

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/

Where it is

42.86320, -87.97654 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
General ThermoDynamicsFranklinPower Boiler and Heat Exchanger Manufacturing
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LIKELY ACTIVE0.0 KM
Refrigerant Depot LLCMilwaukeeAll Other Plastics Product Manufacturing
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UNVERIFIED10.4 KM
Mccann BarrelMilwaukeeAll Other Plastics Product Manufacturing
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Clcm Oak CreekOak CreekAll Other Plastics Product Manufacturing
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American Welding & EngineeringCudahyFabricated Metal Product Manufacturing
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UNVERIFIED11.2 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 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in EIS, NPDES, RCRAINFO, TRIS, WI-ESR · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGJUN 2026JUN 2026
EPA TRIOPERATINGDEC 2023DEC 2023
EPA FRSEXISTENCEJUN 2017JUN 2017
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVJUN 2026
CAGE CODESAM GOVJUN 2026
CITYEPA FRSJUL 2026
CITYSAM GOVJUN 2026
GEOMCENSUS GEOCODERJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVJUN 2026
REGISTRATION EXPIRATIONSAM GOVJUN 2026
STATEEPA FRSJUL 2026
STATESAM GOVJUN 2026
WEBSITESAM GOVJUN 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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