Tsi Power CORP.
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersAntigo, WI
US patents2
SAM.gov UEIP9BMPEZPY7K3
CAGE code4MKA4
Incorporated inIL
- electric power quality solutions
- power conversion products
- automatic voltage regulators
- isolation line conditioners
- medical
- communications
- factory automation
- hospitals
- laboratories
- government
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Certifications
ISO 9001
Patents
2 US patents granted in 2017, none of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 2
- Power converter for AC mainsUS 9,787,211 · granted OCT 10, 2017
- Multibridge power converter for AC mainsUS 9,768,705 · granted SEP 19, 2017
Granted to TSi Power Corp. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Tsi Power CORP. | Antigo | WI | — | LIKELY ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.