Company lists · Data refreshed October 2026

Top 25 Diamond core drilling contractors based in the United States

RevenueBase identified 591 company matches for diamond core drilling contractors associated with the United States as of October 2026 and tracks 8,778 professional contacts across them, including 2,029 with verified work emails. Houston is the largest hub.

This list covers company matches for diamond core drilling 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 October 11, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
591Companies
8,778Contacts tracked
2,029Verified emails
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The 25 largest diamond core drilling contractors based in the United States

Ranked by team size
Top 25 of 591 company matches for diamond core drilling contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWest Valley City, UT, United StatesHQ recorded Oct 11, 20265,001-10,0003,518 contacts →

Exact match

“Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchOklahoma City, OK, United StatesHQ recorded Oct 11, 20261,001-5,000458 contacts →

Exact match

“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchNew Iberia, LA, United StatesHQ recorded Oct 11, 2026501-1,000297 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchElyria, OH, United StatesHQ recorded Oct 11, 2026201-500188 contacts →

Exact match

“Diamond Products is a world leader in the manufacturing and distribution of diamond tools and equipment with the widest selection of wet and dry diamond blades and diamond core…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchElko, NV, United StatesHQ recorded Oct 11, 2026201-500151 contacts →

Exact match

“National provides mining companies primarily working in the Western United States with the safest, most competitive drilling services in the industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchSalina, KS, United StatesHQ recorded Oct 11, 202651-200114 contacts →

Exact match

“Geoprobe® Manufactures Powerful, Compact Machines & Tooling that Provide Direct Push, Rotary, & Sonic Drilling Capabilities to the Environmental, Geotechnical, Geothermal, &…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchLittle Falls, MN, United StatesHQ recorded Oct 11, 202651-20082 contacts →

Exact match

“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchMt Morris, PA, United StatesHQ recorded Oct 11, 20261,001-5,00078 contacts →

Exact match

“Shaft Drillers International LLC Headquartered in Mt.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchElko, NV, United StatesHQ recorded Oct 11, 2026201-50077 contacts →

Exact match

“With more than 7.4 million feet drilled in the past seven years, Timberline Drilling has a proven track records in safety and production.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchRockwall, TX, United StatesHQ recorded Oct 11, 202651-20062 contacts →

Exact match

“Big Dog Drilling is commercial pier drilling and concrete contractor located in Rockwall, TX”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchSalt Lake City, United StatesHQ recorded Oct 11, 202651-20061 contacts →

Exact match

“WESCO provides rock drilling and blasting solutions to businesses in the construction and mining industries throughout the western United States.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchWaller, TX, United StatesHQ recorded Oct 11, 202651-20059 contacts →

Exact match

“Laney Directional Drilling Co.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchRathdrum, ID, United StatesHQ recorded Oct 11, 202651-20054 contacts →

Exact match

“Since 1978 Bay Shore Systems has been a leading innovator in foundation drilling equipment.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchIndianapolis, IN, United StatesHQ recorded Oct 11, 202611-5045 contacts →

Exact match

“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 11, 2026201-50044 contacts →

Exact match

“Ashton is an industry leader in concrete services such as concrete sawing, wire/wall sawing, core drilling, concrete placement, concrete breaking and removal, and, robotic…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchSt. Paul, MN, United StatesHQ recorded Oct 11, 202611-5041 contacts →

Exact match

“The #1 Contractors Source for Concrete Cutting Equipment and Diamond Tools.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Oct 11, 202651-20040 contacts →

Exact match

“Holes Incorporated is a safety first service company, specializing in concrete sawing, drilling, breaking, lifting, demolition, scanning, load and haul, and specialty wire sawing.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchMyrtle Beach, United StatesHQ recorded Oct 11, 202651-20040 contacts →

Exact match

“Dan-Kel is committed to providing reliable, affordable, safe, and efficient concrete sawing, drilling, coring and rehab for all our customers, with the same level of service and…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchGrand Rapids, MI, United StatesHQ recorded Oct 11, 202651-20040 contacts →

Exact match

“Since 1974, Concrete Cutting & Breaking Co has been the industry leaders in concrete sawing and drilling.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchSpringfield, OR, United StatesHQ recorded Oct 11, 202651-20038 contacts →

Exact match

“Drilling, Blasting, Crushing, Quarries Aggregate Resource Industries, Inc.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchFort Lauderdale, FL, United StatesHQ recorded Oct 11, 202651-20036 contacts →

Exact match

“Speedy Concrete Cutting has been at the forefront of the concrete sawing and drilling industry since 1988.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchMansfield, TX, United StatesHQ recorded Oct 11, 202651-20035 contacts →

Exact match

“Drill King International is a leading United States manufacturer of Air Hammers, DTH Hammer Bits & Hole openers, RC bits, Casing Crowns & Casing Shoes and other drilling…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchElko, NV, United StatesHQ recorded Oct 11, 202611-5034 contacts →

Exact match

“Alford Drilling, LLC is a new drilling company based in Elko, Nevada, offering diamond core and reverse circulation drilling services.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchHanover, MD, United StatesHQ recorded Oct 11, 202651-20033 contacts →

Exact match

“G&M Services, LLC was established in as a concrete sawing and drilling contractor.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchButte, MT, United StatesHQ recorded Oct 11, 202611-5033 contacts →

Exact match

“Company Profile AK Drilling is a global leader in exploration and drilling services.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 591 diamond core drilling contractors based in the United States

See the full list, filter by size, metro and specialty, and access 2,029 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Diamond core drilling contractors based in the United States at a glance

As of Oct 11, 2026
23.1%Verified-email coverage
14.9Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · Houston
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
201
11-50
286
51-200
85
201-500
13
501-1,000
2
1,001-5,000
2
5,001-10,000
1

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 591 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 “diamond core drilling 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 2,029 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 October 11, 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 “diamond core drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diamond core drilling contractors are there based in the United States?

RevenueBase identified 591 company matches for diamond core drilling contractors associated with the United States as of October 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?

Boart Longyear tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most diamond core drilling contractors?

Houston leads with 14 company records, followed by Elko (6) and Miami (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 2,029 professional contacts with verified work emails tracked across these 591 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 October 11, 2026.

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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.