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NIOSH Mining Safety and Health Research
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Summary of Company-Level Characteristics for Independent
Mining Contractors, 2007
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Coal and Noncoal (Metal, Nonmetal, Stone, and Sand and
Gravel) Mining Operations
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|
Characteristic |
Coal Contractor |
Noncoal Contractor |
All Companies |
| Number of
companies |
2,999 |
5,400 |
8,399 |
| Number of
employees |
38,865 |
67,844 |
106,709 |
| Average
employment size |
13.0 |
12.6 |
12.7 |
| Median
employment size |
4.0 |
4.0 |
4.0 |
| Number of
FTEs1 |
22,741 |
38,151 |
60,892 |
| Average
FTE employment size |
7.6 |
7.1 |
7.2 |
| Median FTE
employment size |
1.0 |
0.9 |
1.0 |
| 1Full-time equivalent (FTE) employees based on reported number of
employees hours (2,000 hours = 1 FTE). |
| Data Source: MSHA |
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