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Summit Machine LLC: OSHA inspections and violations

Ontario, California · Machine Shops · NAICS 332710

1inspections
3citation items
$4,875current penalties
Nov 14, 2017last inspection

OSHA has inspected Summit Machine LLC once in California.

The inspection began on Nov 14, 2017 after an accident, in Ontario.

That inspection ended with 3 citation items: 1 serious and 2 other-than-serious.

Penalties were first proposed at $18,875 and now stand at $4,875, 74% lower after settlements or reviews.

How that compares: the median penalty per cited inspection for manufacturing employers since 2015 is $3,600, and Summit Machine LLC averages $4,875 (1 cited inspection).

Summit Machine LLC also files yearly injury logs with OSHA, summarized below.

Summit Machine LLC: OSHA citation items per year, 2017 to 2017
Citation items per year, by inspection date.

California · latest 90 days of OSHA records

1,128employers cited

3 of them in the same industry

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Inspection history

Inspection 342775780 OPENED NOV 14, 2017Closed

Accident · Partial · Safety · 160 employees at the site · Closed May 6, 2019

2880 E. Philadelphia St., Ontario, CA 91761 · Machine Shops · OSHA's record · Phone and website on Google Maps

Incident on Nov 7, 2017: Employee's finger is amputated when crushed by alloy metal r

At 8:45 a.m. on November 7, 2017, an employee was cleaning alloy metal rings. As she worked to move a standing alloy metal ring piece, weighing approximately 600 pounds, from a 2 inch by 4 pinch pallet, the employee's middle and ring fingers on her left hand were crushed. As a result, her middle finger was amputated. finger was amputated.

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 342(A)
 Other-than-serious$5,000$3,750May 7, 2018Final
Citation 1, item 2
29 CFR 5006(A)
 Other-than-serious$375$375May 7, 2018Final
Citation 2, item 1
29 CFR 3203(A)(7)
 Serious$13,500$750May 7, 2018Final

Injury and illness logs

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 2 recordable injuries or illnesses among about 85 workers: 2.4 per 100 full-time workers, against a median of 2.7 for its industry. Those cases cost 3 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
Summit Machine
Ontario · 2025
85 212.42.7
Summit Machine, LLC
Ontario · 2023
80 000.02.7

The rules behind these citations

Current text from the Code of Federal Regulations. Some citations were issued under older wording.

Other machine shops employers in California

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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.