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Althoff Industries Inc
Registered. HVAC Plumbing Electric · Registration CR0001318 · issued in Illinois.
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About this listing
| Trade | Plumbing and HVAC |
| Location | Crystal Lake, IL 60014 |
| Type | Company |
| Phone | (815) 455-**** (on record; published once the listing is claimed) |
The public record
| Credential | Registered · HVAC Plumbing Electric |
| Number | CR0001318 |
| Issued in | Illinois |
| Issuing authority | DuPage County, Illinois, Building and Zoning Department, contractor registration |
| Expiry on record | Sep 27, 2026 |
| Last confirmed | Aug 16, 2026 |
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