- Black Hills Institute Of Geological Research Incorporated
- 117 Main St
- Hill City, South Dakota 57745-5106
- Phone: 605-574-4289
- Website: www.bhigr.com
- Number of Employees: 22
- Annual Receipts: $2,480,000
- Business Start Date: 1978
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- Black Hills Power Equipment INC
- 23858 Hwy 385 Ste 3
- Hill City, South Dakota 57745
- Phone: 605-574-2127
- Number of Employees: 3
- Annual Receipts: $675,000
- Business Start Date: 2007
- More Detail:
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- J & L Gravel INC
- 24045 Twin Springs Rd
- Hill City, South Dakota 57745-6604
- Phone: 605-574-4684
- Number of Employees: 0
- Annual Receipts: $225,000
- Business Start Date: 2009
- More Detail:
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