ProfessionalsBusiness profile
Gill Group
Dexter, Missouri. Testing
1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked October 4, 2026.
2 Iowa state licenses verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked October 4, 2026.
3 Kansas state licenses verified against the Kansas Department of Health and Environment, Kansas Radon Program list, last checked October 4, 2026.
2 Minnesota state licenses verified against the Minnesota Department of Health list, last checked October 4, 2026.
Credentials
Licenses and certifications
8 credentials are on file for this business, each exactly as the issuer's list printed it.
These licenses are from Iowa and Illinois and Kansas and Minnesota, and the business address is in Missouri.
Radon411 has no Missouri record for this business. Before hiring it for a home in Missouri, check what Missouri asks for. What Missouri requires
Illinois state license (1)
Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNI20253193 | Measurement Professional | Verified October 4, 2026 | Verify RNI20253193 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab) |
Iowa state licenses (2)
Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNTST10251 | Certified Radon Measurement Specialist | Verified October 4, 2026 | Verify RNTST10251 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
| Testing license | No. RNTST10253 | Certified Radon Measurement Specialist | Verified October 4, 2026 | Verify RNTST10253 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
Kansas state licenses (3)
Issued by the Kansas Department of Health and Environment, Kansas Radon Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. KS-MS-0621 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0621 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
| Testing license | No. KS-MS-0710 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0710 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
| Testing license | No. KS-MS-0711 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0711 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
Minnesota state licenses (2)
Issued by the Minnesota Department of Health, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RMEA-00553 | Minnesota radon measurement license | Verified October 4, 2026 | Verify RMEA-00553 with the Minnesota Department of Health (opens in a new tab) |
| Testing license | No. RMEA-00630 | Minnesota radon measurement license | Verified October 4, 2026 | Verify RMEA-00630 with the Minnesota Department of Health (opens in a new tab) |
Licensing in Missouri
Ask Missouri Radon Program what it requires before you hire.
Missouri Radon Program
Missouri Department of Health and Senior Services
Its page covers free or discounted test kits.
Phone 573-751-6102 · Email radon@health.mo.gov
Visit the program's page (opens in a new tab)Read October 3, 2026
Nearby
Other radon professionals in Missouri
More radon professionals in DexterMore radon professionals in Missouri
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