Commercial Large-Loss Restoration in Wisconsin
17 certified commercial firms on file in Wisconsin. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Wauwatosa, Waukesha, Cottage Grove, Lake Geneva, Madison, Deforest, Kenosah, Milwaukee, Menomonee Falls, Mount Pleasant, Neenah, Pewaukee, Oshkosh, Verona, Weston
What Wisconsin commercial firms are certified in
Certification counts across the 17 Wisconsin firms on file for this work. These are the credentials on record with the issuing body — not what the firms advertise.
| Credential | What it covers | Wisconsin firms |
|---|---|---|
| CDS | Commercial Drying Specialist | 17 |
| WRT | Water Damage Restoration Technician | 17 |
| AMRT | Applied Microbial Remediation Technician | 16 |
| ASD | Applied Structural Drying Technician | 16 |
| FSRT | Fire and Smoke Damage Restoration Technician | 15 |
| OCT | Odor Control Technician | 13 |
17 of these firms hold three or more certifications; 0 appear in two independent registries and carry a cross-verified marker; 9 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every Wisconsin firm we hold a record for, A–Z by city →
Commercial in Wisconsin: common questions
Is commercial work licensed in Wisconsin?
No US state licenses commercial work specifically. General contractor registration may apply to any rebuild that follows. The checkable credential is IICRC certification, which is what every listing on this page is verified against.
What certifications do Wisconsin commercial firms actually hold?
Across the 17 Wisconsin firms on file for this work, the most common credentials are CDS (Commercial Drying Specialist) held by 17 firms, WRT (Water Damage Restoration Technician) held by 17 firms, AMRT (Applied Microbial Remediation Technician) held by 16 firms, ASD (Applied Structural Drying Technician) held by 16 firms. 17 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Wisconsin firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 0 of the 17 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.