Operating signal within 12 months from two or more independent sources.
What they make
Power Boiler and Heat Exchanger Manufacturing332410- heat exchangers
- reactors
- diffusion bonding
- Inconel 617
- nuclear power
- wastewater treatment
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
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
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Crown Beverage Packaging | La Crosse | Metal Crown, Closure, and Other Metal Stamping (except Automotive) 332119 | LIKELY ACTIVE | 0.5 KM |
| Chart Energy & Chemical INC | La Crosse | Steel Investment Foundries 331512 | UNVERIFIED | 6.4 KM |
| Chart Industries - La Crosse, WI | La Crosse | Power Boiler and Heat Exchanger Manufacturing 332410 | LIKELY ACTIVE | 6.4 KM |
| Industrial Heat Transfer, INC. | Coon Valley | Power Boiler and Heat Exchanger Manufacturing 332410 | ACTIVE | 23.6 KM |
| Centerville Steelworks, LLC | Trempealeau | Fabricated Structural Metal Manufacturing 332312 | LIKELY ACTIVE | 30.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord NKXDKD2W5TN1 · first seen APR 2026 · last seen APR 2026
- SBA Paycheck Protection Program loan recordsEXISTENCERecord WI|la crosse|1100 kane st · first seen FEB 2021 · last seen FEB 2021
IN LA CROSSE COUNTY1 other plant shares this one’s industry (Boiler, Tank, and Shipping Container Manufacturing, NAICS 3324); 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
- SAM.gov: COMPREX, LLC · APR 2026
- Street address
- SAM.gov: 1100 KANE ST · APR 2026
- City
- SAM.gov: LA CROSSE · APR 2026
- State
- SAM.gov: WI · APR 2026
- Coordinates
- Census geocoder: 43.839202338131,-91.240991043474 · JUL 2026
- Employees (band)
- SBA PPP: 1-19 · FEB 2021
- Website
- SAM.gov: http://www.comprex-llc.com/ · APR 2026
- CAGE code
- SAM.gov: 7B4S3 · APR 2026
- PPP loan
- SBA PPP: PPP loan x3, approved 2021-02-18, 3 jobs reported · FEB 2021
- SAM registration expires
- SAM.gov: 2027-04-10 · APR 2026