CBP data indicates that no other industry had more establishments with between 100 and 249 employees in Custer County zip codes than “mining, quarrying, oil and gas extraction” businesses.
The following table shows industries of total establishments with between 100 and 249 employees in Custer County in 2017.
Industries with between 100 and 249 employees in Custer County (2017)
| Industry | Total Establishments |
|---|---|
| Mining, quarrying, oil and gas extraction businesses | 4 |
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