Workplace Safety Rankings in Montana 2026
Montana has 3,005 OSHA violations across 2,908 inspections. The employer with the worst safety record is Knife River Corporation (Safety Score: 22/100).
191 Montana employers appear in the federal OSHA enforcement dataset, ranked below by the LakeQuality safety-score composite. The composite weights violation rate vs industry baseline (40%), serious-and-willful violation ratio (25%), repeat-violation share (20%), and penalty per inspection (15%).
Top-of-list employers typically combine clean inspection histories with below-industry-average violation rates. Bottom-of-list employers carry recurring enforcement attention — usually a combination of serious violations, repeat citations, and elevated per-inspection penalties. Each employer below links to a full inspection history with citation details, penalty amounts, and per-inspection narratives.
Top 20 of 191 Employers by Safety Record
| # | Employer | Violations | Serious | Penalties | Score |
|---|---|---|---|---|---|
| 1 | Knife River Corporation | 6 | 5 | $150K | F (22) |
| 2 | Sletten Construction Company | 5 | 4 | $135K | F (22) |
| 3 | Idaho Forest Group LLC | 6 | 6 | $165K | F (25) |
| 4 | Key Energy Services | 18 | 13 | $493K | F (26) |
| 5 | Discount Tire | 17 | 12 | $478K | F (26) |
| 6 | Blattner Energy, INC | 15 | 9 | $435K | F (28) |
| 7 | Weyerhaeuser | 13 | 10 | $372K | F (29) |
| 8 | Builders Firstsource | 18 | 11 | $466K | F (30) |
| 9 | Anheuser-Busch | 10 | 5 | $300K | F (30) |
| 10 | Randstad | 7 | 5 | $152K | F (30) |
| 11 | Clean Harbors | 5 | 3 | $122K | F (30) |
| 12 | National Park Service | 16 | 9 | $436K | F (31) |
| 13 | The Boeing Company | 16 | 9 | $436K | F (31) |
| 14 | 3M Company | 10 | 5 | $300K | F (31) |
| 15 | Menzies Aviation | 10 | 5 | $300K | F (31) |
| 16 | Weyerhaeuser Company | 10 | 5 | $300K | F (31) |
| 17 | SavATree LLC | 5 | 3 | $122K | F (32) |
| 18 | Frito-Lay, INC. | 46 | 25 | $1.1M | F (33) |
| 19 | M.a. Mortenson Company | 12 | 6 | $316K | F (33) |
| 20 | Western Sugar Cooperative | 10 | 5 | $300K | F (33) |
Workplace safety data for Montana is sourced from the OSHA Integrated Management Information System (IMIS), which records all federal OSHA inspections and violations.
Frequently Asked Questions
Knife River Corporation has the worst safety record in Montana with a Safety Score of 22/100 (Grade F), 6 violations, and $150K in fines.
Montana has 3,005 recorded OSHA violations across 2,908 workplace inspections.
The Safety Score (0-100) evaluates employer safety records based on violation rate vs. industry average (40%), serious/willful violation ratio (25%), repeat violation ratio (20%), and penalty per inspection (15%). Lower scores indicate worse safety records.
Safety Score: violation rate vs. industry avg (40%), serious/willful ratio (25%), repeat violation ratio (20%), penalty per inspection (15%). Lower scores = worse records.