Biohazard & Trauma Cleanup in Missouri
26 certified biohazard cleanup firms on file in Missouri. Credentials below are verified against IICRC's Certified Firm registry.
Cities with 3+ certified firms
Also served (1–2 firms)
Chesterfield, Saint Louis, Lees Summit, Branson, Bridgeton, Bonne Terre, Blue Springs, Carthage, Brookline, Fenton, Columbia, Hazelwood, Maplewood, Marshall, De Soto, Nixa, North Kansas City, Rolla, Osage Beach, Saint Charles, Springfield, St. Louis, Union
What Missouri biohazard cleanup firms are certified in
Certification counts across the 26 Missouri 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 | Missouri firms |
|---|---|---|
| TCST | Trauma and Crime Scene Technician | 26 |
| WRT | Water Damage Restoration Technician | 25 |
| FSRT | Fire and Smoke Damage Restoration Technician | 23 |
| AMRT | Applied Microbial Remediation Technician | 22 |
| ASD | Applied Structural Drying Technician | 21 |
| OCT | Odor Control Technician | 21 |
24 of these firms hold three or more certifications; 1 appear in two independent registries and carry a cross-verified marker; 12 operate under a national franchise brand, which is separately owned and separately credentialled from the brand itself.
Every Missouri firm we hold a record for, A–Z by city →
Biohazard Cleanup in Missouri: common questions
Is biohazard cleanup work licensed in Missouri?
No US state licenses biohazard cleanup 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 Missouri biohazard cleanup firms actually hold?
Across the 26 Missouri firms on file for this work, the most common credentials are TCST (Trauma and Crime Scene Technician) held by 26 firms, WRT (Water Damage Restoration Technician) held by 25 firms, FSRT (Fire and Smoke Damage Restoration Technician) held by 23 firms, AMRT (Applied Microbial Remediation Technician) held by 22 firms. 24 hold three or more certifications. Certification describes verified training rather than the services a firm chooses to advertise.
How were these Missouri firms verified?
Every certification was checked against IICRC's own Certified Firm registry, not against the firm's marketing. 1 of the 26 appear in two independent registries and carry a cross-verified marker. Checked August 14, 2026.