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Mitsubishi Corp controller

MSHA controller ID: M07893

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Email me when a new MSHA incident is filed at any mine Mitsubishi Corp controls.

Fatalities
3
Total incidents
716
Mines on record
12
Years on record
1983–2025
Compliance record
MSHA citations since 2000
1,667
citations
346
significant & substantial
$1,242,032
proposed penalties
$988,495
paid to date
80% of proposed penalties paid to date, a $253,537 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
299
inspections on record
10,764
inspection hours
15.5
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
1,667 citations across 10,764 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$1.2M
proposed penalties
$1.0M
current assessed
$988K
paid to date
$24K
outstanding
1,633 assessments are final orders; 66 contested dockets.
As of the most recent assessment on 2026-04-08.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2025
6
2024
2
2023
8
2022
3
2021
4
2020
10
2019
6
2018
2
2017
5
2016
8
2015
13
2014
10
2013
5
2012
5
2011
7
2010
5
2009
10
2008
19
2007
22
2006
21 (1f)
2005
13
2004
16
2003
13
2002
11
2001
22
2000
13
1999
7
1998
20 (1f)
1997
31
1996
13
1995
16
1994
27
1993
25
1992
26
1991
50 (1f)
1990
62
1989
40
1988
38
1987
39
1986
23
1985
14
1984
19
1983
7

Operators under this controller

Mines on record

Fatalities under this controller

3 recorded
August 17, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Mitsubishi Cement Corp · Fall to lower level, (Not Elsewhere Classified)

Plywood was covering the manhole inside the kiln. The EE pushed the plywoood forward and walked through the manhole, falling approximately 20'. (The victim died August 21, 2006 as a result of his injuries.)

September 22, 1998 NV · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · POWERED HAULAGE
Nevada Ready Mix Corporation · Caught in, under or between (Not Elsewhere Classified)

AT 21:10 HE WAS ASSIGNED TO PUSH MATERIAL INTO THE UPPER WASH PLANTS SURGE PILE. AT 21:20 I.NAME NOTICED THAT THERE WAS NO FEED. HE INVESTIGATED AND FOUND HIM ENTRAPPED IN FEEDER.

June 5, 1991 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · MACHINERY
Owl Rock Products · Caught in, under or between running or meshing objects

CONVEYORMAN (VICTIM) ALLEDGELY ENTERED SHAKER/CHUTE WHILE EQUIPMENT WAS OPERATIONAL. COARSE MATERIAL TWIN SCREW WASHER. THE VICTIM ENTERED THE SHAKE AND APPARENTLY SLIPPED AND FELL THROUGH T HE FEEL CHUTE AND IMMEDIATELY WAS OVERPOWERED BY THE DRIVING SCREWS AND WAS PINNED ADN CRUSHED (UPPER TORSO) BY DISCS AND BLADES.

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The full compliance file on Mitsubishi Corp

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.

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