Ontario, California · All Other Miscellaneous Fabricated Metal Product Manufacturing · NAICS 332999
Since 2017, OSHA inspectors have visited Barnmaster Supply in California 2 times.
The most recent inspection opened on Oct 1, 2020 after a complaint, in Ontario.
In all, OSHA issued 6 citation items: 2 serious and 4 other-than-serious.
The proposed penalties came to $34,935; today they stand at $22,585, 35% less.
Among manufacturing employers, the typical cited inspection since 2015 ends with a $3,600 penalty. Barnmaster Supply averages $11,292 across 2 cited inspections.
Barnmaster Supply also files yearly injury logs with OSHA, summarized below.
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Watch this company1720 E. Locust St., Ontario, CA 91761 · Commercial and Institutional Building Construction · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 3314(G) |
Other-than-serious | $410 | $410 | Jun 30, 2021 | Final |
| Citation 2, item 1 29 CFR 4186(B) |
Serious | $4,950 | $4,950 | Jun 30, 2021 | Final |
1720 E. Locust St., Ontario, CA 91710 · All Other Miscellaneous Fabricated Metal Product Manufacturing · OSHA's record · Phone and website on Google Maps
Incident on Oct 11, 2017: Employee's fingers are amputated by cold saw
At 1:08 p.m. on October 11, 2017, and employee was cutting metal tubes using a cold saw with an ineffective guard/hood. The employee turned on the cold saw after securing a metal tube in place. He then raised the lever to adjust the metal tube, resulting in his glove becoming caught by the blade. Three of his fingers were amputated, which he was hospitalized and received treatment.
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 342(A) |
Other-than-serious | $5,000 | $2,000 | Apr 4, 2018 | Final |
| Citation 1, item 2 29 CFR 3203(B)(2) |
Other-than-serious | $275 | $275 | Apr 4, 2018 | Final |
| Citation 2, item 1 29 CFR 3203(A)(7) |
Other-than-serious | $9,900 | $550 | Apr 4, 2018 | Final |
| Citation 3, item 1 29 CFR 4231(A) |
Serious | $14,400 | $14,400 | Apr 4, 2018 | Final |
From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.
In 2025, the Ontario site logged 3 recordable injuries or illnesses among about 25 workers: 12.8 per 100 full-time workers, against a median of 3.6 for its industry. Those cases cost 58 days away from work.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| MD Barnmaster Ontario · 2025 | 25 | 3 | 1 | 12.8 | 3.6 |
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.