| Company | Location | Certifications | License # |
|---|---|---|---|
| Brandon Ricken | Haverhill, IA | Inspector | 8988 |
| Dean Schoppe | State Center, IA | Inspector | 7147 |
| James Ricken | Haverill, IA | Inspector | 8990 |
| Michael Needham | Melbourne, IA | Inspector | 10129 |
| Shane Brown | Marshalltown, IA | Inspector | 14657 |
| Tyrel Bjelland | Marshalltown, IA | Inspector | 14352 |
6 companies in the Iowa DNR Certified Onsite (Time-of-Transfer) Inspector List are based in Marshall County as of 2026-07-23. Companies based elsewhere in Iowa also commonly serve the county.
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