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STAGING OFFICIAL ROSTER RECORDS ONLY - noindex, no production verification, no endorsement, and no service-area confirmation.
OFFICIAL ROSTER RECORD

KOSIDOWSKI, CHAD J

Cochrane, Buffalo County record location

Official roster record; license roster presence is not an endorsement, production verification, or service-area confirmation.

Roster contact

Phone: +16083230491

License record

Number: 9439

Type: pump_installer

Status: authorized

Expiration: unknown

Record location: Cochrane, Buffalo County record location

Source: https://dnr.wisconsin.gov/sites/default/files/topic/Wells/PumpInstallers.xlsx?0726

Source retrieval: 2026-07-14T22:34:05.696Z / 200 OK

Services shown

Pump installationPump repair