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Cornerstone Labor Services, Inc. contractor

Coal
MSHA contractor ID: B4839
Safety record
1
Fatalities
1
Citations
2,440,146
Employee-hours (2000+)
ⓘ Rates use contractor-reported employee-hours as the denominator. About 2% of reported hours are dropped as duplicate filings, so the hours total runs slightly low and any per-hour rate reads slightly high. Quarters filed with zero hours are excluded, and hours are reported only from 2000 on.
0.41
Fatalities / million hrs
0.4 citations per million contractor employee-hours, 2000 to present.
Source: MSHA contractor employment/production and accident records, updated weekly.

Top causes

  • MACHINERY 1 fatality
  • POWERED HAULAGE 7 non-fatal
  • HANDLING OF MATERIALS 4 non-fatal
  • SLIP OR FALL OF PERSON 3 non-fatal

Incident timeline

2026
2
2025
6
2024
1 (1f)
2023
3
2022
1
2019
1
2017
1

Mines worked

Recorded fatalities

1 recorded
May 16, 2024 WV · Coal rotary bucket excavator operator Fatality · MACHINERY
CM Energy Operations LP · Struck against stationary object

Employee was operating an Excavator assisting Dozer operator in removing a big rock on the DC8A pit area. Excavator was between the rock and the top of highwall. Excavator went over the highwall ejecting the employee.