Althoff Industries, Inc. — Contractor in Crystal Lake, IL

About this contractor

License type: OSHA_Establishment
License #: OSHA-386c619d32c7b3
Classification: Heating, ventilation and air-conditioning (HVAC) contractors
Service area: Crystal Lake, IL 60014

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 #OSHA-386c619d32c7b3 on the Illinois IDFPR lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-02).

Frequently asked about Althoff Industries, Inc.

What does Althoff Industries, Inc. do?

Althoff Industries, Inc. is a contractor based in Crystal Lake, Illinois. Their license classification is Heating, ventilation and air-conditioning (HVAC) contractors.

Is Althoff Industries, Inc. licensed?

Yes. Althoff Industries, Inc. holds Illinois IDFPR license #OSHA-386c619d32c7b3. Verify the current status on Illinois IDFPR before hiring.

Where is Althoff Industries, Inc. located?

Althoff Industries, Inc. is based in Crystal Lake, IL 60014.

How do I contact Althoff Industries, Inc.?

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How do I get a quote from Althoff Industries, Inc.?

The fastest way is to post your project on Bidroom — Althoff Industries, Inc. and up to 2 other verified contractors in Crystal Lake can bid on it, and every quote includes itemized pricing + a written scope of work.

Is Althoff Industries, Inc. verified on Bidroom?

Not yet. This listing was created from public Illinois 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.