OSHA has cited 46 employers in Mason City, Iowa in inspections opened since 2015, for 353 citation items in all. Penalties on those items stand at $481,858 today.
Largest penalties in Mason City
| Employer | Citations | Penalties | Last inspection |
|---|---|---|---|
| Dean Snyder Construction Company | 40 | $87,318 | Dec 11, 2025 |
| Smithfield Foods | 11 | $33,494 | Sep 2, 2025 |
| Aadg, Inc. | 8 | $32,252 | Aug 13, 2025 |
| Golden Grain Energy LLC | 2 | $29,546 | Sep 26, 2019 |
| Church & Dwight | 3 | $29,502 | Jul 19, 2023 |
| Henkel Construction Company | 51 | $22,062 | Dec 18, 2020 |
| Aeron Advanced Manufacturing | 5 | $20,967 | Jan 5, 2021 |
| United Sugar Producers and Refiners | 4 | $15,000 | Dec 19, 2024 |
| Fleet Farm | 2 | $14,895 | Nov 3, 2025 |
| Four Oaks Family & Children's Services, West Campus | 1 | $14,063 | Dec 6, 2024 |
Every cited employer in Mason City
More in Iowa.