Company lists · Data refreshed November 2026
Top 25 Shaft sinking contractors based in the United States
RevenueBase identified 79 company matches for shaft sinking contractors associated with the United States as of November 2026 and tracks 2,308 professional contacts across them, including 737 with verified work emails. Phoenix is the largest hub.
This list covers company matches for shaft sinking contractors 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 25 largest shaft sinking contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 641 contacts → | ||||
Exact match “JENNMAR | Delivering Worldwide Solutions Jennmar is a global company leading the way in ground control technology for the mining, tunneling, civil, and infrastructure industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 276 contacts → | ||||
Exact match “With 70 years of innovation and experience, Robbins is the world’s foremost developer and manufacturer of advanced, underground construction machinery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 229 contacts → | ||||
Exact match “Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 81 contacts → | ||||
Exact match “When founded in 1968, Harrison Western brought superior design and construction services to the mining industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 78 contacts → | ||||
Exact match “Shaft Drillers International LLC Headquartered in Mt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 62 contacts → | ||||
Exact match “With over 60 years of pioneering excellence in underground construction, Ric-Man has established itself as a leader in the industry, renowned for our innovative approaches and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 53 contacts → | ||||
Exact match “Miller Contracting is a family-owned mine construction company headquartered in Southern Illinois, with branch offices in Elko, Nevada, and Evansville, Indiana.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 33 contacts → | ||||
Exact match “At Barbco, we push the underground construction industry forward.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 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 | |||||
| 12 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 25 contacts → | ||||
Exact match “Parks Drilling Company was founded by James Parks in 1971 in Columbus, OH.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “The First Name in Drilling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “M&W Drilling is a trusted leader in specialized drilling services, operating a fleet of 27 drill rigs, including sonic, air/mud rotary, auger, direct push, and rock coring.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “American Mine Services was founded in 1967 and has since been serving the mining and civil construction industries in the evaluation, design, and construction of mines…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “Drilling and Blasting Specialists-Close proximity blasting -Demolition blasting (bridges, etc.)-General construction blasting Power Line Civil and Environmental Construction…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Jensen Drilling Company (JDC) is a pioneer in specialized drilling techniques and equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “For over 25 years, Palmetto Rock Services, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Venture Drilling East, LLC is a mining & metals company based out of 1695 Old Covington Road NE, Conyers, Georgia, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match Recorded description not available. 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 “shaft sinking contractors”. 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 25 of 79 shaft sinking contractors based in the United States
See the full list, filter by size, metro and specialty, and access 737 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Shaft sinking contractors 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 79 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 “shaft sinking contractors” 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 737 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 “shaft sinking contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many shaft sinking contractors are there based in the United States?
RevenueBase identified 79 company matches for shaft sinking contractors 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?
Jennmar tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most shaft sinking contractors?
Phoenix leads with 3 company records, followed by Montrose (2) and Morgantown (2).
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 737 professional contacts with verified work emails tracked across these 79 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 79 shaft sinking contractors based in the United States. Start with a free account, no credit card.
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Shaft sinking contractors by geography
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
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- New lists
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Company intelligence · public preview
Top 25 shaft sinking contractors 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 79 matching company records for shaft sinking contractors based in the United States, with 2,308 tracked contacts and 737 verified work emails.
This public preview shows 25 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 25 shaft sinking contractors 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 |  Jennmarjennmar.comHQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 641 contacts → |
“JENNMAR | Delivering Worldwide Solutions Jennmar is a global company leading the way in ground control technology for the mining, tunneling, civil, and infrastructure industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Robbinsrobbinstbm.comHQ: Solon, OH, United StatesReported employees: 501-1,000 | Solon, OH, United States | 501-1,000 | Exact match | 276 contacts → |
“With 70 years of innovation and experience, Robbins is the world’s foremost developer and manufacturer of advanced, underground construction machinery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 229 contacts → |
“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  Harrison Westernharrisonwestern.comHQ: Lakewood, CO, United StatesReported employees: 51-200 | Lakewood, CO, United States | 51-200 | Exact match | 81 contacts → |
“When founded in 1968, Harrison Western brought superior design and construction services to the mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Shaft Drillers Internationalshaftdrillers.comHQ: Mt Morris, PA, United StatesReported employees: 1,001-5,000 | Mt Morris, PA, United States | 1,001-5,000 | Exact match | 78 contacts → |
“Shaft Drillers International LLC Headquartered in Mt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ric-Man Construction, INCric-man.comHQ: Sterling Heights, MI, United StatesReported employees: 51-200 | Sterling Heights, MI, United States | 51-200 | Exact match | 62 contacts → |
“With over 60 years of pioneering excellence in underground construction, Ric-Man has established itself as a leader in the industry, renowned for our innovative approaches and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Miller Contracting Services, LLCmillercontracting.usHQ: Carrier Mills, IL, United StatesReported employees: 51-200 | Carrier Mills, IL, United States | 51-200 | Exact match | 53 contacts → |
“Miller Contracting is a family-owned mine construction company headquartered in Southern Illinois, with branch offices in Elko, Nevada, and Evansville, Indiana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Barbco INCbarbco.comHQ: East Canton, OH, United StatesReported employees: 51-200 | East Canton, OH, United States | 51-200 | Exact match | 33 contacts → |
“At Barbco, we push the underground construction industry forward.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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. | |||||
| 12 |  Boart Long Yearboartlongyear.comHQ: Oakdale, CA, United StatesReported employees: 201-500 | Oakdale, CA, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Parks Drilling Company INCparksdrilling.comHQ: Marysville, OH, United StatesReported employees: 51-200 | Marysville, OH, United States | 51-200 | Exact match | 25 contacts → |
“Parks Drilling Company was founded by James Parks in 1971 in Columbus, OH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ABC Liovin Drilling, INCabcdrilling.comHQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 24 contacts → |
“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Acker Drill Companyackerdrill.comHQ: Scranton, PA, United StatesReported employees: 11-50 | Scranton, PA, United States | 11-50 | Exact match | 18 contacts → |
“The First Name in Drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  M&w Drillingmwdrilling.comHQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 13 contacts → |
“M&W Drilling is a trusted leader in specialized drilling services, operating a fleet of 27 drill rigs, including sonic, air/mud rotary, auger, direct push, and rock coring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Highlands Drilling LLChighlandsdrilling.com HQ: Charleston, WV, United StatesReported employees: 1-10 | Charleston, WV, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  American Mine Servicesamericanmineservices.comHQ: Boulder, CO, United StatesReported employees: 51-200 | Boulder, CO, United States | 51-200 | Exact match | 13 contacts → |
“American Mine Services was founded in 1967 and has since been serving the mining and civil construction industries in the evaluation, design, and construction of mines…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Newville Construction Servicesblastncs.comHQ: Newville, PA, United StatesReported employees: 11-50 | Newville, PA, United States | 11-50 | Exact match | 10 contacts → |
“Drilling and Blasting Specialists-Close proximity blasting -Demolition blasting (bridges, etc.)-General construction blasting Power Line Civil and Environmental Construction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Jensen Drilling Companyjensendrilling.comHQ: Eugene, OR, United StatesReported employees: 11-50 | Eugene, OR, United States | 11-50 | Exact match | 10 contacts → |
“Jensen Drilling Company (JDC) is a pioneer in specialized drilling techniques and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Geomechanics Southwest INCgsidrilling.com HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Palmetto Rockpalmettorock.comHQ: Duncan, SC, United StatesReported employees: 11-50 | Duncan, SC, United States | 11-50 | Exact match | 9 contacts → |
“For over 25 years, Palmetto Rock Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Malcolm Drilling CO INCmalcolmdrilling.comHQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Venture Drilling East, LLCventuredrillingeast.comHQ: Conyers, GA, United StatesReported employees: 11-50 | Conyers, GA, United States | 11-50 | Exact match | 9 contacts → |
“Venture Drilling East, LLC is a mining & metals company based out of 1695 Old Covington Road NE, Conyers, Georgia, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Elco Drillingelcodrilling.com HQ: Evansville, WY, United StatesReported employees: 11-50 | Evansville, WY, United States | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 79 company matches
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Shaft sinking contractors: 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
79 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 79 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 shaft sinking contractors?
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 shaft sinking contractors did RevenueBase find based in the United States?
The saved snapshot records 79 matching company records, 2,308 tracked contacts and 737 verified emails. The public preview displays 25 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
Shaft sinking contractors by geography
Cite this list
RevenueBase Data Team. Top 25 shaft sinking contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/shaft-sinking-contractors/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
- Shaft sinking contractors based in Australia
- Shaft sinking contractors based in Canada
- Shaft sinking contractors based in Chile
- Shaft sinking contractors based in Germany
- Shaft sinking contractors based in Peru
- Shaft sinking contractors based in South Africa
Company intelligence · public preview
Top 25 shaft sinking contractors based in the United States
RevenueBase records 79 matching company records for shaft sinking contractors based in the United States, with 2,308 tracked contacts and 737 verified work emails.
This public preview shows 25 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 25 shaft sinking contractors 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 | Jennmarjennmar.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 641 contacts → |
“JENNMAR | Delivering Worldwide Solutions Jennmar is a global company leading the way in ground control technology for the mining, tunneling, civil, and infrastructure industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Robbinsrobbinstbm.com HQ: Solon, OH, United StatesReported employees: 501-1,000 | Solon, OH, United States | 501-1,000 | Exact match | 276 contacts → |
“With 70 years of innovation and experience, Robbins is the world’s foremost developer and manufacturer of advanced, underground construction machinery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 229 contacts → |
“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | Harrison Westernharrisonwestern.com HQ: Lakewood, CO, United StatesReported employees: 51-200 | Lakewood, CO, United States | 51-200 | Exact match | 81 contacts → |
“When founded in 1968, Harrison Western brought superior design and construction services to the mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Shaft Drillers Internationalshaftdrillers.com HQ: Mt Morris, PA, United StatesReported employees: 1,001-5,000 | Mt Morris, PA, United States | 1,001-5,000 | Exact match | 78 contacts → |
“Shaft Drillers International LLC Headquartered in Mt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ric-Man Construction, INCric-man.com HQ: Sterling Heights, MI, United StatesReported employees: 51-200 | Sterling Heights, MI, United States | 51-200 | Exact match | 62 contacts → |
“With over 60 years of pioneering excellence in underground construction, Ric-Man has established itself as a leader in the industry, renowned for our innovative approaches and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Miller Contracting Services, LLCmillercontracting.us HQ: Carrier Mills, IL, United StatesReported employees: 51-200 | Carrier Mills, IL, United States | 51-200 | Exact match | 53 contacts → |
“Miller Contracting is a family-owned mine construction company headquartered in Southern Illinois, with branch offices in Elko, Nevada, and Evansville, Indiana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Barbco INCbarbco.com HQ: East Canton, OH, United StatesReported employees: 51-200 | East Canton, OH, United States | 51-200 | Exact match | 33 contacts → |
“At Barbco, we push the underground construction industry forward.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Boart Long Yearboartlongyear.com HQ: Oakdale, CA, United StatesReported employees: 201-500 | Oakdale, CA, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Parks Drilling Company INCparksdrilling.com HQ: Marysville, OH, United StatesReported employees: 51-200 | Marysville, OH, United States | 51-200 | Exact match | 25 contacts → |
“Parks Drilling Company was founded by James Parks in 1971 in Columbus, OH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ABC Liovin Drilling, INCabcdrilling.com HQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 24 contacts → |
“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Acker Drill Companyackerdrill.com HQ: Scranton, PA, United StatesReported employees: 11-50 | Scranton, PA, United States | 11-50 | Exact match | 18 contacts → |
“The First Name in Drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | M&w Drillingmwdrilling.com HQ: Knoxville, TN, United StatesReported employees: 11-50 | Knoxville, TN, United States | 11-50 | Exact match | 13 contacts → |
“M&W Drilling is a trusted leader in specialized drilling services, operating a fleet of 27 drill rigs, including sonic, air/mud rotary, auger, direct push, and rock coring.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Highlands Drilling LLChighlandsdrilling.com HQ: Charleston, WV, United StatesReported employees: 1-10 | Charleston, WV, United States | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | American Mine Servicesamericanmineservices.com HQ: Boulder, CO, United StatesReported employees: 51-200 | Boulder, CO, United States | 51-200 | Exact match | 13 contacts → |
“American Mine Services was founded in 1967 and has since been serving the mining and civil construction industries in the evaluation, design, and construction of mines…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Newville Construction Servicesblastncs.com HQ: Newville, PA, United StatesReported employees: 11-50 | Newville, PA, United States | 11-50 | Exact match | 10 contacts → |
“Drilling and Blasting Specialists-Close proximity blasting -Demolition blasting (bridges, etc.)-General construction blasting Power Line Civil and Environmental Construction…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Jensen Drilling Companyjensendrilling.com HQ: Eugene, OR, United StatesReported employees: 11-50 | Eugene, OR, United States | 11-50 | Exact match | 10 contacts → |
“Jensen Drilling Company (JDC) is a pioneer in specialized drilling techniques and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Geomechanics Southwest INCgsidrilling.com HQ: Phoenix, AZ, United StatesReported employees: 11-50 | Phoenix, AZ, United States | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Palmetto Rockpalmettorock.com HQ: Duncan, SC, United StatesReported employees: 11-50 | Duncan, SC, United States | 11-50 | Exact match | 9 contacts → |
“For over 25 years, Palmetto Rock Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Malcolm Drilling CO INCmalcolmdrilling.com HQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Venture Drilling East, LLCventuredrillingeast.com HQ: Conyers, GA, United StatesReported employees: 11-50 | Conyers, GA, United States | 11-50 | Exact match | 9 contacts → |
“Venture Drilling East, LLC is a mining & metals company based out of 1695 Old Covington Road NE, Conyers, Georgia, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Elco Drillingelcodrilling.com HQ: Evansville, WY, United StatesReported employees: 11-50 | Evansville, WY, United States | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 79 company matches
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Shaft sinking contractors: 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
79 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 79 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 shaft sinking contractors?
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 shaft sinking contractors did RevenueBase find based in the United States?
The saved snapshot records 79 matching company records, 2,308 tracked contacts and 737 verified emails. The public preview displays 25 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
Shaft sinking contractors by geography
Cite this list
RevenueBase Data Team. Top 25 shaft sinking contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/shaft-sinking-contractors/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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