Updated: May 05, 2026
Location and Projects
Headquarters Address
1550 MIKE FAHEY ST, Omaha, NE, 68102
Local address
Boise, ID, 83701
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Kiewit Mining Group Construction
With 14 years in operation, Kiewit Mining Group provides mining construction and related services in Idaho and across the western United States. The firm’s portfolio covers a range of mining project types, including mine infrastructure development, material handling systems, and reclamation projects. Kiewit Mining Group is equipped to work on projects for both open-pit and underground mines, supporting clients in the industrial and resource sectors. The company manages all phases of mining construction, from site preparation and excavation to the installation of specialized mining systems. Operating as a business unit of the larger Kiewit Corporation, Kiewit Mining Group applies proven construction and project management methods developed through decades of work on large-scale mining facilities. The firm’s capabilities are designed to support efficient, safe, and compliant development of mining operations throughout the region.
Kiewit Mining Group Services
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Kiewit Mining Group Contact Information
Phone Number: (402) 943-1321
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Kiewit Mining Group
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kiewit Mining Group has a BuildZoom score of 97, which places them above 82% of 53,194 contractors in Idaho.
Activity
|
3 projects
|
2025 |
Our building permit records indicate that Kiewit Mining Group has worked on at least
3.0 projects over the past year.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$100k-$250k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of underground raw water potable water sanitary sewer and storm drain utilities. installation terminates 5 from any building footprints. tie-in to previous contractors site underground south package as well as city of boise storm drain and sanitary sewer
Valuation:
N/A
Permit #:
PLM25-00944
Status:
issued
Fee:
$251,299
Permit Type:
Addition
Building Type:
Industrial
(micron - c60a02 modular offices) (3) modular trailer to be used as construction offices at micron. the permit is for (3) 1440 sq ft 3-plex trailer module. the following mod numbers are associated with this permit: mod1706-00077. work to include new 20"x20 abs pads with metal piers to support the modular buildings per engineering. an accessible route into the buildings power connectio... see more
Valuation:
$158,265
Permit #:
BLD25-00167
Status:
final
Fee:
$2,181
Permit Type:
New
Building Type:
Office
Plumbing installation for micron c42c
Valuation:
N/A
Permit #:
PLM25-01548
Status:
issued
Fee:
$16,887
Permit Type:
New
Building Type:
Commercial
New parts washer
Valuation:
$26,000
Permit #:
ELE1311-00314
Status:
final
Fee:
$420
Permit Type:
Industrial
Building Type:
N/A
No Description Available
Valuation:
$1,500
Permit #:
WEB1008-01536
Status:
final
Fee:
$90
Permit Type:
Industrial
Building Type:
N/A
(4/1/2013 9:01 am bp) conaxes north east of shop
Valuation:
$1,500
Permit #:
ELE1304-00003
Status:
expired
Fee:
$180
Permit Type:
Contractor
Building Type:
N/A
(4/1/2013 9:01 am bp) yellow conaxes south west of shop
Valuation:
$500
Permit #:
ELE1304-00004
Status:
expired
Fee:
$140
Permit Type:
Contractor
Building Type:
N/A
(4/1/2013 9:01 am bp) office facility at the shop
Valuation:
$2,000
Permit #:
ELE1304-00005
Status:
expired
Fee:
$200
Permit Type:
Contractor
Building Type:
N/A
(4/1/2013 9:01 am bp) red shack at mine entrance
Valuation:
$500
Permit #:
ELE1304-00006
Status:
expired
Fee:
$140
Permit Type:
Contractor
Building Type:
N/A
(4/1/2013 9:01 am bp) tipple office trailer
Valuation:
$300
Permit #:
ELE1304-00007
Status:
expired
Fee:
$132
Permit Type:
Contractor
Building Type:
N/A
(8/26/2013 3:39 pm nsm) install lights in 4'x6 storage shed
Valuation:
N/A
Permit #:
ELE1308-00415
Status:
expired
Fee:
$10
Permit Type:
Industrial
Building Type:
N/A
Lights in 10 x 8 storage shed
Valuation:
N/A
Permit #:
ELE1308-00416
Status:
expired
Fee:
$10
Permit Type:
Industrial
Building Type:
N/A
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Kiewit Mining Group Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Kiewit Mining Group License info
Verified License
| License # | RCE-65090 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RCE-3553 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RCE-30305 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RCE-18179 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 068183 |
| Status | Active |
| State | Idaho |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Kiewit Mining Group with the Idaho Division of Building Safety
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 007782 |
| Status | Active |
| State | Idaho |
| Type | Electrical - Industrial |
- When BuildZoom last verified this license, it had an expiration date of December, 2011. Check the current license status of Kiewit Mining Group with the Idaho Division of Building Safety
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RCE-3802 |
| Status | Active |
| State | Idaho |
| Type | General Commercial |
- When BuildZoom last verified this license, it had an expiration date of December, 2013. Check the current license status of Kiewit Mining Group with the State of Idaho Bureau Of Occupational Licenses
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RCE-3797 |
| Status | Active |
| State | Idaho |
| Type | General Commercial |
- When BuildZoom last verified this license, it had an expiration date of November, 2015. Check the current license status of Kiewit Mining Group with the State of Idaho Bureau Of Occupational Licenses
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RCE-24353 |
| Status | Active |
| State | Idaho |
| Type | General Commercial |
- When BuildZoom last verified this license, it had an expiration date of November, 2015. Check the current license status of Kiewit Mining Group with the State of Idaho Bureau Of Occupational Licenses
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RCE-67621 |
| Status | Inactive |
| State | Idaho |
| Type | General Contractor Registration |
- According to the State of Idaho Bureau Of Occupational Licenses, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RCE-32168 |
| Status | Inactive |
| State | Idaho |
| Type | Registered Entity Contractor |
- According to the State of Idaho Bureau Of Occupational Licenses, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Kiewit Mining Group at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
6
Permits
- Building permit records show that Kiewit Mining Group has worked on 6 permitted projects.
Kiewit Mining Group Employees
BJ
Brian Johnson
BA
Bruce Grewcock, Et Al
Owner
BS
Bruce Grewcock, Richard Colf, Scott Cassels, Steven Hansen, R Phelps, Kirk Samuelson, Thomas Shelby,
Owner
DN
David Miles, Trent M Demulling, Michael Norton
Owner
DW
Douglas Duplisea, Michael Piechoski, Rodney Rosenthal, Randall Sanman, Tobin Schropp, Michael Whtsti
Owner
JM
Joseph Lempka, Stephen Thomas, Michael Norton, Trent Demulling, David Miles
Owner
KC
Kiewit Nuclear Solutions Co.
MC
Michael Norton, Trent Demulling, Christopher Loeffler, Stephen Thomas, Scott Cassels
Owner
RD
Robert Rausch, John Jennings, Richard Lanoha, David Flickinger, Thomas Shelby, John Cohoon, Jr, Brian Edwards, Trent Demulling
Owner
SC
Scott Cassels, Jeffrey Peterson, Henry Adams, David Miles, Tobin Schropp, Michael Whetstine, Gregory Hill, Randall Sanman, Craig
Owner
TH
Tobin Schropp, David Miles, Allison Hardy
Owner
TD
Tobin Schropp, Michael Whetstine, Stephen Thomas, Michael Norton, Jim Hughes, Eugene Van Wagner Iii, Trent Demulling, Jean Dulma
Owner
TN
Tyler Nordquist, Trent Demulling, Michael Norton
Owner