Tsi Power CORP.

What they make

• 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

Where it is

Other plants nearby

No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Tsi Power CORP

Antigo, WI

● ACTIVE335999

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.

• SAM.gov entity registrationOPERATING
  Record P9BMPEZPY7K3 · first seen SEP 2026 · last seen SEP 2026
• DOL Form 5500 retirement plan filingsOPERATING
  Record 364203030|WI|54409|1103 pierce ave · first seen DEC 2024 · last seen DEC 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record WI|antigo|1103 w pierce ave · first seen MAY 2020 · last seen MAY 2020

IN LANGLADE COUNTY1 other plant shares this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 0 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: TSI POWER CORP. · SEP 2026

Street address

SAM.gov: 1103 W PIERCE AVE · SEP 2026

City

SAM.gov: ANTIGO · SEP 2026

State

SAM.gov: WI · SEP 2026

Coordinates

Census geocoder: 45.153824290699,-89.15936685989 · OCT 2026

Website

SAM.gov: www.tsipower.com · SEP 2026

CAGE code

SAM.gov: 4MKA4 · SEP 2026

Retirement plan filing (Form 5500)

DOL: 16 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x1, approved 2020-05-12, 15 jobs reported · MAY 2020

SAM registration expires

SAM.gov: 2027-08-20 · SEP 2026