Operating signal within 12 months from two or more independent sources.
What they make
Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing333415- chillers
- MagLev solutions
- heating solutions
- direct drive plenum fans
- energy recovery products
- single wall steel cabinets
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
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 |
|---|---|---|---|---|
| Multistack, LLC | Sparta | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415 | LIKELY ACTIVE | 0.0 KM |
| Industrial Heat Transfer, INC. | Coon Valley | Power Boiler and Heat Exchanger Manufacturing 332410 | ACTIVE | 30.8 KM |
| L. B. White Company, INC. | Onalaska | Sheet Metal Work Manufacturing 332322 | LIKELY ACTIVE | 33.3 KM |
| Modine Manufacturing - LB White Onalaska | Onalaska | Heating Equipment (except Warm Air Furnaces) Manufacturing 333414 | LIKELY ACTIVE | 33.4 KM |
| Trane Plt 7 Manufacturing | La Crosse | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415 | UNVERIFIED | 36.1 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 12 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.
- SAM.gov entity registrationOPERATINGRecord GYLDKFE322G5 · first seen FEB 2026 · last seen OCT 2026
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecords 721524879|WI|54656|1065 maple ave, 831470303|WI|54656|po box 510 · first seen DEC 2024 · last seen JUL 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord WI|sparta|1065 maple ave 0 0 · first seen APR 2020 · last seen APR 2020
IN MONROE COUNTY2 other plants share this one’s industry (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing, NAICS 3334); 2 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.
- Name
- SAM.gov: MULTISTACK LLC
- Street address
- SAM.gov: 1065 MAPLE AVE
- City
- SAM.gov: SPARTA
- State
- SAM.gov: WI
- Coordinates
- Census geocoder: 43.937396608047,-90.823104409231 · JUL 2026
- Employees (band)
- DOL: 100-499 · JUL 2025
- Website
- SAM.gov: https://www.multistack.com
- CAGE code
- SAM.gov: 3E4Y1
- Retirement plan filing (Form 5500)
- DOL: 160 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x2, approved 2020-04-10, 56 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-02-13
- State business registrationSOURCES DISAGREE
- DC Corporations: MULTISTACK LLC, registered with the District of Columbia Corporations Division; Limited liability company; registered 2011-04-06; active, annual report filed 2026-07-07 · JUL 2026
- NY DOS: MULTISTACK, LLC, registered with the New York Department of State, Division of Corporations; Limited liability company formed in Minnesota; registered 2003-03-17; active · MAR 2003
- TX Comptroller: MULTISTACK BAC, LLC, registered with the Texas Comptroller of Public Accounts; Limited liability company; active