Odor Removal in Montana
25 certified odor removal firms on file in Montana. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Belgrade, Butte, Helena, Columbia Falls, Bozeman, Corvallis, Kalispell, Polson, Victor
What Montana odor removal firms are certified in
Certification counts across the 25 Montana 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 | Montana firms |
|---|---|---|
| OCT | Odor Control Technician | 25 |
| WRT | Water Damage Restoration Technician | 24 |
| ASD | Applied Structural Drying Technician | 23 |
| FSRT | Fire and Smoke Damage Restoration Technician | 23 |
| AMRT | Applied Microbial Remediation Technician | 19 |
| CCT | Carpet Cleaning Technician | 15 |
25 of these firms hold three or more certifications; 0 appear in two independent registries and carry a cross-verified marker; 7 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Montana mold law: tenant rights, disclosure & insurance →
Every Montana firm we hold a record for, A–Z by city →
Odor Removal in Montana: common questions
Is odor removal work licensed in Montana?
No US state licenses odor removal 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 Montana odor removal firms actually hold?
Across the 25 Montana firms on file for this work, the most common credentials are OCT (Odor Control Technician) held by 25 firms, WRT (Water Damage Restoration Technician) held by 24 firms, ASD (Applied Structural Drying Technician) held by 23 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 23 firms. 25 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Montana firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 0 of the 25 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.
Which Montana cities have the most odor removal firms?
Billings leads with 6, followed by Missoula (4), Great Falls (3). We build a page wherever a city has three or more certified firms; smaller markets are listed below that without their own page.