Company lists · Data refreshed November 2026
Top 23 Open pit mining consultants based in the United States
RevenueBase identified 205 company matches for open pit mining consultants associated with the United States as of November 2026 and tracks 11,277 professional contacts across them, including 2,158 with verified work emails. Reno is the largest hub.
This list covers company matches for open pit mining consultants associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 23 largest open pit mining consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 503 contacts → | ||||
Exact match “GMS Mine Repair & Maintenance is the North American leader in underground and surface mine contracting, maintenance and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 218 contacts → | ||||
Exact match “On October 30, 2020, LTK Engineering Services (LTK) merged with Hatch to become Hatch LTK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 211 contacts → | ||||
Exact match “Turner Mining Group is a full-service provider to the mining sector with operations throughout the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 187 contacts → | ||||
Exact match “Small Mine Development builds and operates America’s underground mines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 107 contacts → | ||||
Exact match “Redpath USA Corporation is a full-service underground mining contractor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 83 contacts → | ||||
Exact match “Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 70 contacts → | ||||
Exact match “Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 69 contacts → | ||||
Exact match “Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 60 contacts → | ||||
Exact match “CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 59 contacts → | ||||
Exact match “Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 57 contacts → | ||||
Exact match “Westward Environmental (WESTWARD) delivers multidisciplinary consulting services in engineering, environmental sciences, geology and mining, health and safety, and natural…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 49 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 37 contacts → | ||||
Exact match “Nasco Industrial Services & Supply (NISS) is a full-service mining supply and contract drilling and General Contracting Mining agency, built to serve the industries that make…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 32 contacts → | ||||
Exact match “Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “Welcome to: Cowin & Company, Inc- Mining Contractors and Engineers For three generations, Cowin & Company, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 31 contacts → | ||||
Exact match “Knight Piésold USA was established in 1985 in Denver, CO and has become a leading consultancy providing engineering and environmental services in the mining and hydropower…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “Burgex Mining Consultants is a full-service mineral exploration and consulting firm dedicated to solving the challenges of mining and adding value at every stage of the project…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 30 contacts → | ||||
Exact match “Alaska Earth Sciences (AES) is an Anchorage-based geologic consulting expertise to promote, manage, and support mineral exploration and development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 28 contacts → | ||||
Exact match “MINSYS is a competitive consulting group with extensive expertise in optimizing processes related to mine planning based on historical data towards increasing business value.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Forte Dynamics brings an extensive portfolio of completed projects with two common threads: work that touches every part of the mine life cycle, and repeat engagements with some…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “Nexus PMG is a management and consulting firm focused on guiding lenders, developers and owner teams through every phase of capital infrastructure projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “open pit mining consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 205 open pit mining consultants based in the United States
See the full list, filter by size, metro and specialty, and access 2,158 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open pit mining consultants based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “open pit mining consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 2,158 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “open pit mining consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open pit mining consultants are there based in the United States?
RevenueBase identified 205 company matches for open pit mining consultants associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
GMS Mine Repair & Maintenance tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most open pit mining consultants?
Reno leads with 11 company records, followed by Denver (10) and Salt Lake City (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,158 professional contacts with verified work emails tracked across these 205 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 205 open pit mining consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Open pit mining consultants by geography
- Open pit mining consultants based in Brisbane, Australia
- Open pit mining consultants based in Perth, Australia
- Open pit mining consultants based in Belo Horizonte, Brazil
- Open pit mining consultants based in Sao Paulo, Brazil
- Open pit mining consultants based in Toronto, Canada
- Open pit mining consultants based in Vancouver, Canada
- Open pit mining consultants based in Las Condes Santiago, Chile
- Open pit mining consultants based in Las Condes, Chile
- Open pit mining consultants based in Santiago, Chile
- Open pit mining consultants based in Lima, Peru
- Open pit mining consultants based in Johannesburg, South Africa
- Open pit mining consultants based in Ankara, Türkiye
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Open pit mining consultants based in Brisbane, Australia
- Open pit mining consultants based in Perth, Australia
- Open pit mining consultants based in Belo Horizonte, Brazil
- Open pit mining consultants based in Sao Paulo, Brazil
- Open pit mining consultants based in Toronto, Canada
- Open pit mining consultants based in Vancouver, Canada
Company intelligence · public preview
Top 23 open pit mining consultants based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 205 matching company records for open pit mining consultants based in the United States, with 11,277 tracked contacts and 2,158 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 open pit mining consultants based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  GMS Mine Repair & Maintenancegmsminerepair.comHQ: Mountain Lake Park, WV, United StatesReported employees: 1,001-5,000 | Mountain Lake Park, WV, United States | 1,001-5,000 | Exact match | 503 contacts → |
“GMS Mine Repair & Maintenance is the North American leader in underground and surface mine contracting, maintenance and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Hatch LTKltk.comHQ: Ambler, PA, United StatesReported employees: 201-500 | Ambler, PA, United States | 201-500 | Exact match | 218 contacts → |
“On October 30, 2020, LTK Engineering Services (LTK) merged with Hatch to become Hatch LTK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Turner Mining Groupturnermining.comHQ: Bloomington, IN, United StatesReported employees: 201-500 | Bloomington, IN, United States | 201-500 | Exact match | 211 contacts → |
“Turner Mining Group is a full-service provider to the mining sector with operations throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Small Mine Development, LLCundergroundmining.comHQ: Boise, ID, United StatesReported employees: 201-500 | Boise, ID, United States | 201-500 | Exact match | 187 contacts → |
“Small Mine Development builds and operates America’s underground mines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Redpath USA Corporationredpathmining.comHQ: Sparks, NV, United StatesReported employees: 201-500 | Sparks, NV, United States | 201-500 | Exact match | 107 contacts → |
“Redpath USA Corporation is a full-service underground mining contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  MES Miningminenv.comHQ: Sandy, CO, United StatesReported employees: 11-50 | Sandy, CO, United States | 11-50 | Exact match | 83 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Rangefront Mining Servicesrangefront.comHQ: Elko, NV, United StatesReported employees: 51-200 | Elko, NV, United States | 51-200 | Exact match | 70 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  John T. Boyd Companyjtboyd.comHQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 69 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Call & Nicholascnitucson.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 60 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Tierra Group International, LTDtierragroupinternational.comHQ: Lakewood, UT, United StatesReported employees: 11-50 | Lakewood, UT, United States | 11-50 | Exact match | 59 contacts → |
“Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Westwardwestwardenv.comHQ: Boerne, TX, United StatesReported employees: 11-50 | Boerne, TX, United States | 11-50 | Exact match | 57 contacts → |
“Westward Environmental (WESTWARD) delivers multidisciplinary consulting services in engineering, environmental sciences, geology and mining, health and safety, and natural…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Engineering Analytics, INCenganalytics.comHQ: Fort Collins, NM, United StatesReported employees: 201-500 | Fort Collins, NM, United States | 201-500 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Marshall Miller & Associatesmma1.comHQ: Bluefield, VA, United StatesReported employees: 11-50 | Bluefield, VA, United States | 11-50 | Exact match | 41 contacts → |
“Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NISSnissglobal.comHQ: Kellogg, ID, United StatesReported employees: 51-200 | Kellogg, ID, United States | 51-200 | Exact match | 37 contacts → |
“Nasco Industrial Services & Supply (NISS) is a full-service mining supply and contract drilling and General Contracting Mining agency, built to serve the industries that make…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Behre Dolbeardolbear.comHQ: Co. 80155, CO, United StatesReported employees: 51-200 | Co. 80155, CO, United States | 51-200 | Exact match | 32 contacts → |
“Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cowin & Company, INCcowin-co.comHQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 32 contacts → |
“Welcome to: Cowin & Company, Inc- Mining Contractors and Engineers For three generations, Cowin & Company, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Secopsa USAsecopsausa.comHQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Knight Piesold USAknightpiesold.comHQ: Denver, AZ, United StatesReported employees: 51-200 | Denver, AZ, United States | 51-200 | Exact match | 31 contacts → |
“Knight Piésold USA was established in 1985 in Denver, CO and has become a leading consultancy providing engineering and environmental services in the mining and hydropower…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Burgex Mining Consultantsburgex.comHQ: Midvale, UT, United StatesReported employees: 11-50 | Midvale, UT, United States | 11-50 | Exact match | 30 contacts → |
“Burgex Mining Consultants is a full-service mineral exploration and consulting firm dedicated to solving the challenges of mining and adding value at every stage of the project…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Alaska Earth Sciences, INCalaskaearthsciences.comHQ: Anchorage, AK, United StatesReported employees: 11-50 | Anchorage, AK, United States | 11-50 | Exact match | 30 contacts → |
“Alaska Earth Sciences (AES) is an Anchorage-based geologic consulting expertise to promote, manage, and support mineral exploration and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Minsys Mining Systemsminsystucson.comHQ: Tucson, AZ, United StatesReported employees: 1-10 | Tucson, AZ, United States | 1-10 | Exact match | 28 contacts → |
“MINSYS is a competitive consulting group with extensive expertise in optimizing processes related to mine planning based on historical data towards increasing business value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Forte Dynamicsfortedynamics.comHQ: Fort Collins, CO, United StatesReported employees: 11-50 | Fort Collins, CO, United States | 11-50 | Exact match | 26 contacts → |
“Forte Dynamics brings an extensive portfolio of completed projects with two common threads: work that touches every part of the mine life cycle, and repeat engagements with some…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Nexus PMGnexuspmg.comHQ: Houston, SC, United StatesReported employees: 11-50 | Houston, SC, United States | 11-50 | Exact match | 25 contacts → |
“Nexus PMG is a management and consulting firm focused on guiding lenders, developers and owner teams through every phase of capital infrastructure projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 205 company matches
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Open pit mining consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
205 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for open pit mining consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open pit mining consultants did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 11,277 tracked contacts and 2,158 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Open pit mining consultants by geography
- Open pit mining consultants based in Brisbane, Australia
- Open pit mining consultants based in Perth, Australia
- Open pit mining consultants based in Belo Horizonte, Brazil
- Open pit mining consultants based in Sao Paulo, Brazil
- Open pit mining consultants based in Toronto, Canada
- Open pit mining consultants based in Vancouver, Canada
- Open pit mining consultants based in Las Condes Santiago, Chile
- Open pit mining consultants based in Las Condes, Chile
- Open pit mining consultants based in Santiago, Chile
- Open pit mining consultants based in Lima, Peru
- Open pit mining consultants based in Johannesburg, South Africa
- Open pit mining consultants based in Ankara, Türkiye
Cite this list
RevenueBase Data Team. Top 23 open pit mining consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/open-pit-mining-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Open pit mining consultants based in Brisbane, Australia
- Open pit mining consultants based in Perth, Australia
- Open pit mining consultants based in Belo Horizonte, Brazil
- Open pit mining consultants based in Sao Paulo, Brazil
- Open pit mining consultants based in Toronto, Canada
- Open pit mining consultants based in Vancouver, Canada
Company intelligence · public preview
Top 23 open pit mining consultants based in the United States
RevenueBase records 205 matching company records for open pit mining consultants based in the United States, with 11,277 tracked contacts and 2,158 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 open pit mining consultants based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | GMS Mine Repair & Maintenancegmsminerepair.com HQ: Mountain Lake Park, WV, United StatesReported employees: 1,001-5,000 | Mountain Lake Park, WV, United States | 1,001-5,000 | Exact match | 503 contacts → |
“GMS Mine Repair & Maintenance is the North American leader in underground and surface mine contracting, maintenance and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hatch LTKltk.com HQ: Ambler, PA, United StatesReported employees: 201-500 | Ambler, PA, United States | 201-500 | Exact match | 218 contacts → |
“On October 30, 2020, LTK Engineering Services (LTK) merged with Hatch to become Hatch LTK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Turner Mining Groupturnermining.com HQ: Bloomington, IN, United StatesReported employees: 201-500 | Bloomington, IN, United States | 201-500 | Exact match | 211 contacts → |
“Turner Mining Group is a full-service provider to the mining sector with operations throughout the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Small Mine Development, LLCundergroundmining.com HQ: Boise, ID, United StatesReported employees: 201-500 | Boise, ID, United States | 201-500 | Exact match | 187 contacts → |
“Small Mine Development builds and operates America’s underground mines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Redpath USA Corporationredpathmining.com HQ: Sparks, NV, United StatesReported employees: 201-500 | Sparks, NV, United States | 201-500 | Exact match | 107 contacts → |
“Redpath USA Corporation is a full-service underground mining contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | MES Miningminenv.com HQ: Sandy, CO, United StatesReported employees: 11-50 | Sandy, CO, United States | 11-50 | Exact match | 83 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Rangefront Mining Servicesrangefront.com HQ: Elko, NV, United StatesReported employees: 51-200 | Elko, NV, United States | 51-200 | Exact match | 70 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | John T. Boyd Companyjtboyd.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 69 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Call & Nicholascnitucson.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 60 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tierra Group International, LTDtierragroupinternational.com HQ: Lakewood, UT, United StatesReported employees: 11-50 | Lakewood, UT, United States | 11-50 | Exact match | 59 contacts → |
“Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Westwardwestwardenv.com HQ: Boerne, TX, United StatesReported employees: 11-50 | Boerne, TX, United States | 11-50 | Exact match | 57 contacts → |
“Westward Environmental (WESTWARD) delivers multidisciplinary consulting services in engineering, environmental sciences, geology and mining, health and safety, and natural…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Engineering Analytics, INCenganalytics.com HQ: Fort Collins, NM, United StatesReported employees: 201-500 | Fort Collins, NM, United States | 201-500 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Marshall Miller & Associatesmma1.com HQ: Bluefield, VA, United StatesReported employees: 11-50 | Bluefield, VA, United States | 11-50 | Exact match | 41 contacts → |
“Headquartered in Bluefield, Virginia, Marshall Miller & Associates (MM & A) represents a unique assembly of engineering and science-related professionals, whose goals are to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NISSnissglobal.com HQ: Kellogg, ID, United StatesReported employees: 51-200 | Kellogg, ID, United States | 51-200 | Exact match | 37 contacts → |
“Nasco Industrial Services & Supply (NISS) is a full-service mining supply and contract drilling and General Contracting Mining agency, built to serve the industries that make…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Behre Dolbeardolbear.com HQ: Co. 80155, CO, United StatesReported employees: 51-200 | Co. 80155, CO, United States | 51-200 | Exact match | 32 contacts → |
“Behre Dolbear is one of the oldest mineral industry advisory firms in the world continuously operating since 1911.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cowin & Company, INCcowin-co.com HQ: Birmingham, AL, United StatesReported employees: 51-200 | Birmingham, AL, United States | 51-200 | Exact match | 32 contacts → |
“Welcome to: Cowin & Company, Inc- Mining Contractors and Engineers For three generations, Cowin & Company, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Secopsa USAsecopsausa.com HQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Knight Piesold USAknightpiesold.com HQ: Denver, AZ, United StatesReported employees: 51-200 | Denver, AZ, United States | 51-200 | Exact match | 31 contacts → |
“Knight Piésold USA was established in 1985 in Denver, CO and has become a leading consultancy providing engineering and environmental services in the mining and hydropower…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Burgex Mining Consultantsburgex.com HQ: Midvale, UT, United StatesReported employees: 11-50 | Midvale, UT, United States | 11-50 | Exact match | 30 contacts → |
“Burgex Mining Consultants is a full-service mineral exploration and consulting firm dedicated to solving the challenges of mining and adding value at every stage of the project…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Alaska Earth Sciences, INCalaskaearthsciences.com HQ: Anchorage, AK, United StatesReported employees: 11-50 | Anchorage, AK, United States | 11-50 | Exact match | 30 contacts → |
“Alaska Earth Sciences (AES) is an Anchorage-based geologic consulting expertise to promote, manage, and support mineral exploration and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Minsys Mining Systemsminsystucson.com HQ: Tucson, AZ, United StatesReported employees: 1-10 | Tucson, AZ, United States | 1-10 | Exact match | 28 contacts → |
“MINSYS is a competitive consulting group with extensive expertise in optimizing processes related to mine planning based on historical data towards increasing business value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Forte Dynamicsfortedynamics.com HQ: Fort Collins, CO, United StatesReported employees: 11-50 | Fort Collins, CO, United States | 11-50 | Exact match | 26 contacts → |
“Forte Dynamics brings an extensive portfolio of completed projects with two common threads: work that touches every part of the mine life cycle, and repeat engagements with some…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Nexus PMGnexuspmg.com HQ: Houston, SC, United StatesReported employees: 11-50 | Houston, SC, United States | 11-50 | Exact match | 25 contacts → |
“Nexus PMG is a management and consulting firm focused on guiding lenders, developers and owner teams through every phase of capital infrastructure projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 205 company matches
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Open pit mining consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
205 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 205 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for open pit mining consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open pit mining consultants did RevenueBase find based in the United States?
The saved snapshot records 205 matching company records, 11,277 tracked contacts and 2,158 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 23 open pit mining consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/open-pit-mining-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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