Gary John Koier

Fire Protection in Greendale, WI.

Gary John Koier appears in Wisconsin license records as a fire protection contractor based in Greendale, WI. The record lists a Automatic Fire Sprinkler Fitter, Journeyman license (#923144) with status “Active”. It is listed as valid through 2027-06-30.

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About this contractor

License type
Automatic Fire Sprinkler Fitter, Journeyman
License #
923144
License status
Active
Classification
Automatic Fire Sprinkler Fitter, Journeyman
License expires
2027-06-30
Record source
Wisconsin contractor license record
Service area
Greendale, WI 531294215
Email
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Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.

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Check license #923144 on the Wisconsin licensing authority lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-12).

Frequently asked about Gary John Koier

What does Gary John Koier do?

Gary John Koier is a fire protection contractor based in Greendale, Wisconsin. Their license classification is Automatic Fire Sprinkler Fitter, Journeyman.

Is Gary John Koier licensed?

Yes. Gary John Koier holds Wisconsin licensing authority license #923144 (status: Active). Verify the current status on Wisconsin licensing authority before hiring.

Where is Gary John Koier located?

Gary John Koier is based in Greendale, WI 531294215.

How do I contact Gary John Koier?

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How do I get a quote from Gary John Koier?

The fastest way is to post your project on Bidroom — Gary John Koier and up to 2 other verified fire protection contractors in Greendale can bid on it, and every quote includes itemized pricing + a written scope of work.

Is Gary John Koier verified on Bidroom?

Not yet. This listing was created from public Wisconsin license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.

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