Company lists · Data refreshed November 2026
Top 25 Core sampling services based in the United States
RevenueBase identified 210 company matches for core sampling services associated with the United States as of November 2026 and tracks 2,701 professional contacts across them, including 950 with verified work emails. Houston is the largest hub.
This list covers company matches for core sampling services 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 core sampling services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 262 contacts → | ||||
Exact match “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 94 contacts → | ||||
Exact match “Bridging the gap between geology and engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 79 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 58 contacts → | ||||
Exact match “Since 1980, ACZ Laboratories, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 56 contacts → | ||||
Exact match “Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 50 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 43 contacts → | ||||
Exact match “Gregg Drilling, LLC.(Gregg) offers a wide range of services for environmental, geotechnical and marine site investigation and remediation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 42 contacts → | ||||
Exact match “GeoMark Research is the preeminent geochemical laboratory, providing petroleum fluid analyses to the petroleum industry and offering a full range of oil, gas, and source rock…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 39 contacts → | ||||
Exact match “Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 36 contacts → | ||||
Exact match “GeoStrata was established in by Mr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 36 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 36 contacts → | ||||
Exact match “Fibertec Environmental Services is a full service environmental analytical laboratory, specializing in environmental analysis, subsurface investigations, and natural gas analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 35 contacts → | ||||
Exact match “Environmental and Geotechnical Drilling Services Parratt-Wolff strives to ensure that every environmental or geotechnical site investigation meets or exceeds our client's…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “ACS Services LLC.(ACS) comprises a group of engineers and technicians providing services in the fields of Geotechnical Engineering, Environmental Studies, Forensic Studies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 27 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 27 contacts → | ||||
Exact match “Betts is a drilling services contractor that has been an industry leading provider of drilling solutions since 1993.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 27 contacts → | ||||
Exact match “The Paragon Management team has over 100 years of combined experience working with industry decision-makers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 26 contacts → | ||||
Exact match “Skyline Laboratories, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 24 contacts → | ||||
Exact match “Founded in 1984, Environmental Monitoring and Technologies is a leader in providing full-service analytical laboratory and field sampling services for our local, national, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “SVL Analytical is a full-service environmental laboratory analyzing samples annually from around the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “Ellington Geological Services is a team of highly-trained and dedicated professionals and technicians, that truly understand the importance of the data contained in rocks and the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “AAL provides precise and reliable gold, silver and geochemical testing.” 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 “core sampling services”. 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 210 core sampling services based in the United States
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Core sampling services 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 210 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 “core sampling services” 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 950 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 “core sampling services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many core sampling services are there based in the United States?
RevenueBase identified 210 company matches for core sampling services 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?
Cascade Environmental, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most core sampling services?
Houston leads with 9 company records, followed by Conroe (4) and Elko (4).
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 950 professional contacts with verified work emails tracked across these 210 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 210 core sampling services based in the United States. Start with a free account, no credit card.
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Core sampling services by geography
- Core sampling services based in Australia
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- Core sampling services based in Chile
- Core sampling services based in Indonesia
- Core sampling services based in Peru
- Core sampling services based in South Africa
- Core sampling services based in the United Kingdom
Browse the directory
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
Company intelligence · public preview
Top 25 core sampling services 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 210 matching company records for core sampling services based in the United States, with 2,701 tracked contacts and 950 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 core sampling services 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 |  Cascade Environmental, LLCcascade-env.comHQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 262 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Premier Corexpofg.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 94 contacts → |
“Bridging the gap between geology and engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Timberline Drilling, INCtimberline-drilling.comHQ: Elko, MN, United StatesReported employees: 201-500 | Elko, MN, United States | 201-500 | Exact match | 79 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  ACZ Laboratoriesacz.comHQ: Steamboat Springs, CO, United StatesReported employees: 51-200 | Steamboat Springs, CO, United States | 51-200 | Exact match | 58 contacts → |
“Since 1980, ACZ Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Terra Guidance, LLCterraguidance.comHQ: Englewood, CO, United StatesReported employees: 51-200 | Englewood, CO, United States | 51-200 | Exact match | 56 contacts → |
“Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Field GEO Services, INCfieldgeoservices.comHQ: Grand Junction, CO, United StatesReported employees: 51-200 | Grand Junction, CO, United States | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Gregg Drilling, LLCgreggdrilling.comHQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 43 contacts → |
“Gregg Drilling, LLC.(Gregg) offers a wide range of services for environmental, geotechnical and marine site investigation and remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geomark Researchgeomarkresearch.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 42 contacts → |
“GeoMark Research is the preeminent geochemical laboratory, providing petroleum fluid analyses to the petroleum industry and offering a full range of oil, gas, and source rock…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Kappes, Cassiday & Associateskcareno.comHQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 39 contacts → |
“Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Geostratageostrata-llc.comHQ: Bluffdale, UT, United StatesReported employees: 11-50 | Bluffdale, UT, United States | 11-50 | Exact match | 36 contacts → |
“GeoStrata was established in by Mr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Alford Drilling, LLCalforddrilling.comHQ: Elko, NV, United StatesReported employees: 11-50 | Elko, NV, United States | 11-50 | Exact match | 36 contacts → |
“Alford Drilling, LLC is a new drilling company based in Elko, Nevada, offering diamond core and reverse circulation drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fibertec Environmental Servicesfibertec.usHQ: Holt, MI, United StatesReported employees: 51-200 | Holt, MI, United States | 51-200 | Exact match | 36 contacts → |
“Fibertec Environmental Services is a full service environmental analytical laboratory, specializing in environmental analysis, subsurface investigations, and natural gas analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Parratt-Wolff, INCpwinc.comHQ: East Syracuse, NY, United StatesReported employees: 51-200 | East Syracuse, NY, United States | 51-200 | Exact match | 35 contacts → |
“Environmental and Geotechnical Drilling Services Parratt-Wolff strives to ensure that every environmental or geotechnical site investigation meets or exceeds our client's…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ACS Services LLCacsservicesllc.comHQ: Mesa, AZ, United StatesReported employees: 11-50 | Mesa, AZ, United States | 11-50 | Exact match | 32 contacts → |
“ACS Services LLC.(ACS) comprises a group of engineers and technicians providing services in the fields of Geotechnical Engineering, Environmental Studies, Forensic Studies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Mcclelland Laboratories, INCmettest.comHQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Betts Drillingbettsenv.comHQ: Atlanta, TX, United StatesReported employees: 51-200 | Atlanta, TX, United States | 51-200 | Exact match | 27 contacts → |
“Betts is a drilling services contractor that has been an industry leading provider of drilling solutions since 1993.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Paragon Geochemical Laboratories INCparagongeochem.comHQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 27 contacts → |
“The Paragon Management team has over 100 years of combined experience working with industry decision-makers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Skyline Assayers & Laboratoriesskylinelabs.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 26 contacts → |
“Skyline Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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. | |||||
| 22 |  Environmental Monitoring And Technologies EMTthesterlinglab.comHQ: Des Plaines, IL, United StatesReported employees: 51-200 | Des Plaines, IL, United States | 51-200 | Exact match | 24 contacts → |
“Founded in 1984, Environmental Monitoring and Technologies is a leader in providing full-service analytical laboratory and field sampling services for our local, national, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SVL Analytical INCsvl.netHQ: Kellogg, ID, United StatesReported employees: 11-50 | Kellogg, ID, United States | 11-50 | Exact match | 23 contacts → |
“SVL Analytical is a full-service environmental laboratory analyzing samples annually from around the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ellington Geological Servicesellingtongeo.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 18 contacts → |
“Ellington Geological Services is a team of highly-trained and dedicated professionals and technicians, that truly understand the importance of the data contained in rocks and the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  American Assay Laboratoriesaallabs.comHQ: Sparks, NV, United StatesReported employees: 51-200 | Sparks, NV, United States | 51-200 | Exact match | 18 contacts → |
“AAL provides precise and reliable gold, silver and geochemical testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 210 company matches
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Core sampling services: 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
210 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 210 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 core sampling services?
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 core sampling services did RevenueBase find based in the United States?
The saved snapshot records 210 matching company records, 2,701 tracked contacts and 950 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
Core sampling services by geography
- Core sampling services based in Australia
- Core sampling services based in Brazil
- Core sampling services based in Canada
- Core sampling services based in Chile
- Core sampling services based in Indonesia
- Core sampling services based in Peru
- Core sampling services based in South Africa
- Core sampling services based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 core sampling services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/core-sampling-services/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
Company intelligence · public preview
Top 25 core sampling services based in the United States
RevenueBase records 210 matching company records for core sampling services based in the United States, with 2,701 tracked contacts and 950 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 core sampling services 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 | Cascade Environmental, LLCcascade-env.com HQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 262 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Premier Corexpofg.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 94 contacts → |
“Bridging the gap between geology and engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Timberline Drilling, INCtimberline-drilling.com HQ: Elko, MN, United StatesReported employees: 201-500 | Elko, MN, United States | 201-500 | Exact match | 79 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | ACZ Laboratoriesacz.com HQ: Steamboat Springs, CO, United StatesReported employees: 51-200 | Steamboat Springs, CO, United States | 51-200 | Exact match | 58 contacts → |
“Since 1980, ACZ Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Terra Guidance, LLCterraguidance.com HQ: Englewood, CO, United StatesReported employees: 51-200 | Englewood, CO, United States | 51-200 | Exact match | 56 contacts → |
“Terra Guidance provides geological analysis remotely, onsite, and in-house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Field GEO Services, INCfieldgeoservices.com HQ: Grand Junction, CO, United StatesReported employees: 51-200 | Grand Junction, CO, United States | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Gregg Drilling, LLCgreggdrilling.com HQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 43 contacts → |
“Gregg Drilling, LLC.(Gregg) offers a wide range of services for environmental, geotechnical and marine site investigation and remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geomark Researchgeomarkresearch.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 42 contacts → |
“GeoMark Research is the preeminent geochemical laboratory, providing petroleum fluid analyses to the petroleum industry and offering a full range of oil, gas, and source rock…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Kappes, Cassiday & Associateskcareno.com HQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 39 contacts → |
“Since 1972, Kappes, Cassiday & Associates (KCA) has provided process metallurgical services to the international mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Geostratageostrata-llc.com HQ: Bluffdale, UT, United StatesReported employees: 11-50 | Bluffdale, UT, United States | 11-50 | Exact match | 36 contacts → |
“GeoStrata was established in by Mr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Alford Drilling, LLCalforddrilling.com HQ: Elko, NV, United StatesReported employees: 11-50 | Elko, NV, United States | 11-50 | Exact match | 36 contacts → |
“Alford Drilling, LLC is a new drilling company based in Elko, Nevada, offering diamond core and reverse circulation drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fibertec Environmental Servicesfibertec.us HQ: Holt, MI, United StatesReported employees: 51-200 | Holt, MI, United States | 51-200 | Exact match | 36 contacts → |
“Fibertec Environmental Services is a full service environmental analytical laboratory, specializing in environmental analysis, subsurface investigations, and natural gas analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Parratt-Wolff, INCpwinc.com HQ: East Syracuse, NY, United StatesReported employees: 51-200 | East Syracuse, NY, United States | 51-200 | Exact match | 35 contacts → |
“Environmental and Geotechnical Drilling Services Parratt-Wolff strives to ensure that every environmental or geotechnical site investigation meets or exceeds our client's…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ACS Services LLCacsservicesllc.com HQ: Mesa, AZ, United StatesReported employees: 11-50 | Mesa, AZ, United States | 11-50 | Exact match | 32 contacts → |
“ACS Services LLC.(ACS) comprises a group of engineers and technicians providing services in the fields of Geotechnical Engineering, Environmental Studies, Forensic Studies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mcclelland Laboratories, INCmettest.com HQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Betts Drillingbettsenv.com HQ: Atlanta, TX, United StatesReported employees: 51-200 | Atlanta, TX, United States | 51-200 | Exact match | 27 contacts → |
“Betts is a drilling services contractor that has been an industry leading provider of drilling solutions since 1993.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Paragon Geochemical Laboratories INCparagongeochem.com HQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 27 contacts → |
“The Paragon Management team has over 100 years of combined experience working with industry decision-makers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Skyline Assayers & Laboratoriesskylinelabs.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 26 contacts → |
“Skyline Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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. | |||||
| 22 | Environmental Monitoring And Technologies EMTthesterlinglab.com HQ: Des Plaines, IL, United StatesReported employees: 51-200 | Des Plaines, IL, United States | 51-200 | Exact match | 24 contacts → |
“Founded in 1984, Environmental Monitoring and Technologies is a leader in providing full-service analytical laboratory and field sampling services for our local, national, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SVL Analytical INCsvl.net HQ: Kellogg, ID, United StatesReported employees: 11-50 | Kellogg, ID, United States | 11-50 | Exact match | 23 contacts → |
“SVL Analytical is a full-service environmental laboratory analyzing samples annually from around the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ellington Geological Servicesellingtongeo.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 18 contacts → |
“Ellington Geological Services is a team of highly-trained and dedicated professionals and technicians, that truly understand the importance of the data contained in rocks and the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | American Assay Laboratoriesaallabs.com HQ: Sparks, NV, United StatesReported employees: 51-200 | Sparks, NV, United States | 51-200 | Exact match | 18 contacts → |
“AAL provides precise and reliable gold, silver and geochemical testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 210 company matches
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Core sampling services: 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
210 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 210 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 core sampling services?
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 core sampling services did RevenueBase find based in the United States?
The saved snapshot records 210 matching company records, 2,701 tracked contacts and 950 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
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 core sampling services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/core-sampling-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗