Company lists · Data refreshed September 2026
Top 25 Subsurface exploration services based in the United States
RevenueBase identified 1,039 company matches for subsurface exploration services associated with the United States as of September 2026 and tracks 17,610 professional contacts across them, including 6,897 with verified work emails. Houston is the largest hub.
This list covers company matches for subsurface exploration 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 September 22, 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 subsurface exploration services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 521 contacts → | ||||
Exact match “SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 449 contacts → | ||||
Exact match “Ninyo & Moore was acquired by SOCOTEC US.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 449 contacts → | ||||
Exact match “Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 312 contacts → | ||||
Exact match “Established in 1881, Froehling & Robertson, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 299 contacts → | ||||
Exact match “Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 282 contacts → | ||||
Exact match “ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 268 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 248 contacts → | ||||
Exact match “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 215 contacts → | ||||
Exact match “Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 197 contacts → | ||||
Exact match “Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 190 contacts → | ||||
Exact match “Leighton, a Verdantas Company, provides environmental, geotechnical, materials testing, and special inspection services across the built community.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 189 contacts → | ||||
Exact match “CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 183 contacts → | ||||
Exact match “Since its beginning in 1995, Patriot has built its reputation on serving the needs of the growing development and redevelopment community.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 179 contacts → | ||||
Exact match “Small Mine Development builds and operates America’s underground mines.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 178 contacts → | ||||
Exact match “Diversified collaborates with our business partners to lower finding and development costs, decrease the risk profile, increase reserves, and to improve capital efficiencies and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 176 contacts → | ||||
Exact match “United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 140 contacts → | ||||
Exact match “Kumar & Associates provides geotechnical engineering, engineering geology, environmental sciences, construction observation and materials testing services for projects in the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 138 contacts → | ||||
Exact match “CMT Technical Services is a leading provider of Geotechnical Engineering, Materials Testing & Special Inspection, Surveying, and full-service Construction Management.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 133 contacts → | ||||
Exact match “Geotechnical Consultants, Inc.(GCI) is a professional geo-engineering firm headquartered in greater Columbus, Ohio.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 132 contacts → | ||||
Exact match “Converse was established in 1946 by Professor Frederick J.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 128 contacts → | ||||
Exact match “As a multi-disciplinary consulting firm, Triad Engineering, Inc.(Triad) provides geotechnical and civil engineering, landscape architecture, environmental services, land…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 125 contacts → | ||||
Exact match “S.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 123 contacts → | ||||
Exact match “We deliver safe, efficient, and innovative subsurface solutions to support the maintenance and construction of our communities’ critical infrastructure through our expansive fleet…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 121 contacts → | ||||
Exact match “One of the largest privately owned land surveying companies in Florida, GeoPoint provides standard-setting services including subsurface utility location, 811 locating…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 118 contacts → | ||||
Exact match “Established in 1992, Tierra, Inc.(Tierra) is a full-service consulting geotechnical, forensics, environmental, and construction materials testing engineering firm.” Recorded in the RevenueBase company graph · Sep 22, 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 “subsurface exploration 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 1,039 subsurface exploration services based in the United States
See the full list, filter by size, metro and specialty, and access 6,897 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsurface exploration services based in the United States at a glance
As of Sep 22, 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 1,039 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 “subsurface exploration 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 6,897 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 September 22, 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 “subsurface exploration services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsurface exploration services are there based in the United States?
RevenueBase identified 1,039 company matches for subsurface exploration services associated with the United States as of September 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?
Saexploration tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsurface exploration services?
Houston leads with 77 company records, followed by Denver (20) and Dallas (14).
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 6,897 professional contacts with verified work emails tracked across these 1,039 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 September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,039 subsurface exploration services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Subsurface exploration services by geography
- Subsurface exploration services based in Argentina
- Subsurface exploration services based in Australia
- Subsurface exploration services based in Belgium
- Subsurface exploration services based in Brazil
- Subsurface exploration services based in Canada
- Subsurface exploration services based in Chile
- Subsurface exploration services based in Colombia
- Subsurface exploration services based in France
- Subsurface exploration services based in Germany
- Subsurface exploration services based in India
- Subsurface exploration services based in Indonesia
- Subsurface exploration services based in Italy
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsurface exploration services based in Argentina
- Subsurface exploration services based in Australia
- Subsurface exploration services based in Belgium
- Subsurface exploration services based in Brazil
- Subsurface exploration services based in Canada
- Subsurface exploration services based in Chile
Company intelligence · public preview
Top 25 subsurface exploration 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 1,039 matching company records for subsurface exploration services based in the United States, with 17,610 tracked contacts and 6,897 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: September 22, 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 subsurface exploration 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 |  Saexplorationsaexploration.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 521 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ninyo & Moore, A Socotec Companysocotec.usHQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 449 contacts → |
“Ninyo & Moore was acquired by SOCOTEC US.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Minovaminovaglobal.comHQ: Greenwood Village, CO, United StatesReported employees: 1,001-5,000 | Greenwood Village, CO, United States | 1,001-5,000 | Exact match | 449 contacts → |
“Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Froehling & Robertson, INCfandr.comHQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 312 contacts → |
“Established in 1881, Froehling & Robertson, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Annapolis Junction, MD, United StatesReported employees: 201-500 | Annapolis Junction, MD, United States | 201-500 | Exact match | 299 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ENGEOengeo.comHQ: San Ramon, CA, United StatesReported employees: 201-500 | San Ramon, CA, United States | 201-500 | Exact match | 282 contacts → |
“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Degolyer And Macnaughtondemac.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cascade Environmental, LLCcascade-env.comHQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Geotekgeotekusa.comHQ: Las Vegas, NV, United StatesReported employees: 201-500 | Las Vegas, NV, United States | 201-500 | Exact match | 215 contacts → |
“Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geocongeoconinc.comHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 197 contacts → |
“Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Leightonleightongroup.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 190 contacts → |
“Leighton, a Verdantas Company, provides environmental, geotechnical, materials testing, and special inspection services across the built community.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CTL Thompsonctlt.comHQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 189 contacts → |
“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Patriot Engineering And Environmental, INCpatrioteng.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 183 contacts → |
“Since its beginning in 1995, Patriot has built its reputation on serving the needs of the growing development and redevelopment community.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Small Mine Development, LLCundergroundmining.comHQ: Boise, ID, United StatesReported employees: 201-500 | Boise, ID, United States | 201-500 | Exact match | 179 contacts → |
“Small Mine Development builds and operates America’s underground mines.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Diversifieddwl-usa.com HQ: Reserve, LA, United StatesReported employees: 201-500 | Reserve, LA, United States | 201-500 | Exact match | 178 contacts → |
“Diversified collaborates with our business partners to lower finding and development costs, decrease the risk profile, increase reserves, and to improve capital efficiencies and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | United Consultingunitedconsulting.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 176 contacts → |
“United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kumar And Associates, INCkumarusa.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 140 contacts → |
“Kumar & Associates provides geotechnical engineering, engineering geology, environmental sciences, construction observation and materials testing services for projects in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CMT Technical Servicescmttechnicalservices.com HQ: West Valley City, UT, United StatesReported employees: 201-500 | West Valley City, UT, United States | 201-500 | Exact match | 138 contacts → |
“CMT Technical Services is a leading provider of Geotechnical Engineering, Materials Testing & Special Inspection, Surveying, and full-service Construction Management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geotechnical Consultants, INCgci2000.com HQ: Westerville, OH, United StatesReported employees: 51-200 | Westerville, OH, United States | 51-200 | Exact match | 133 contacts → |
“Geotechnical Consultants, Inc.(GCI) is a professional geo-engineering firm headquartered in greater Columbus, Ohio.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Converse Consultantsconverseconsultants.com HQ: Monrovia, CA, United StatesReported employees: 51-200 | Monrovia, CA, United States | 51-200 | Exact match | 132 contacts → |
“Converse was established in 1946 by Professor Frederick J.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Triad Engineering, INCtriadeng.com HQ: Scott Depot, WV, United StatesReported employees: 51-200 | Scott Depot, WV, United States | 51-200 | Exact match | 128 contacts → |
“As a multi-disciplinary consulting firm, Triad Engineering, Inc.(Triad) provides geotechnical and civil engineering, landscape architecture, environmental services, land…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | S. W. Cole Engineering, INCswcole.com HQ: Bangor, ME, United StatesReported employees: 51-200 | Bangor, ME, United States | 51-200 | Exact match | 125 contacts → |
“S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pro-Vac, LLCpro-vac.com HQ: Puyallup, WA, United StatesReported employees: 51-200 | Puyallup, WA, United States | 51-200 | Exact match | 123 contacts → |
“We deliver safe, efficient, and innovative subsurface solutions to support the maintenance and construction of our communities’ critical infrastructure through our expansive fleet…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Geopointgeopoint.orgHQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 121 contacts → |
“One of the largest privately owned land surveying companies in Florida, GeoPoint provides standard-setting services including subsurface utility location, 811 locating…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tierra, Inc. A Certerra Companytierraeng.com HQ: Temple Terrace, FL, United StatesReported employees: 51-200 | Temple Terrace, FL, United States | 51-200 | Exact match | 118 contacts → |
“Established in 1992, Tierra, Inc.(Tierra) is a full-service consulting geotechnical, forensics, environmental, and construction materials testing engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,039 company matches
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Subsurface exploration services: dataset insights
September 22, 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
1,038 records in the displayed employee bands.
1 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 1,039 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: September 22, 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 subsurface exploration 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 subsurface exploration services did RevenueBase find based in the United States?
The saved snapshot records 1,039 matching company records, 17,610 tracked contacts and 6,897 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: September 22, 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
Subsurface exploration services by geography
- Subsurface exploration services based in Argentina
- Subsurface exploration services based in Australia
- Subsurface exploration services based in Belgium
- Subsurface exploration services based in Brazil
- Subsurface exploration services based in Canada
- Subsurface exploration services based in Chile
- Subsurface exploration services based in Colombia
- Subsurface exploration services based in France
- Subsurface exploration services based in Germany
- Subsurface exploration services based in India
- Subsurface exploration services based in Indonesia
- Subsurface exploration services based in Italy
Cite this list
RevenueBase Data Team. Top 25 subsurface exploration services based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/subsurface-exploration-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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsurface exploration services based in Argentina
- Subsurface exploration services based in Australia
- Subsurface exploration services based in Belgium
- Subsurface exploration services based in Brazil
- Subsurface exploration services based in Canada
- Subsurface exploration services based in Chile
Company intelligence · public preview
Top 25 subsurface exploration services based in the United States
RevenueBase records 1,039 matching company records for subsurface exploration services based in the United States, with 17,610 tracked contacts and 6,897 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: September 22, 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 subsurface exploration 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 | Saexplorationsaexploration.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 521 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ninyo & Moore, A Socotec Companysocotec.us HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 449 contacts → |
“Ninyo & Moore was acquired by SOCOTEC US.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Minovaminovaglobal.com HQ: Greenwood Village, CO, United StatesReported employees: 1,001-5,000 | Greenwood Village, CO, United States | 1,001-5,000 | Exact match | 449 contacts → |
“Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Froehling & Robertson, INCfandr.com HQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 312 contacts → |
“Established in 1881, Froehling & Robertson, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Annapolis Junction, MD, United StatesReported employees: 201-500 | Annapolis Junction, MD, United States | 201-500 | Exact match | 299 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ENGEOengeo.com HQ: San Ramon, CA, United StatesReported employees: 201-500 | San Ramon, CA, United States | 201-500 | Exact match | 282 contacts → |
“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Degolyer And Macnaughtondemac.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 268 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Geotekgeotekusa.com HQ: Las Vegas, NV, United StatesReported employees: 201-500 | Las Vegas, NV, United States | 201-500 | Exact match | 215 contacts → |
“Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geocongeoconinc.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 197 contacts → |
“Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Leightonleightongroup.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 190 contacts → |
“Leighton, a Verdantas Company, provides environmental, geotechnical, materials testing, and special inspection services across the built community.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CTL Thompsonctlt.com HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 189 contacts → |
“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Patriot Engineering And Environmental, INCpatrioteng.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 183 contacts → |
“Since its beginning in 1995, Patriot has built its reputation on serving the needs of the growing development and redevelopment community.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Small Mine Development, LLCundergroundmining.com HQ: Boise, ID, United StatesReported employees: 201-500 | Boise, ID, United States | 201-500 | Exact match | 179 contacts → |
“Small Mine Development builds and operates America’s underground mines.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Diversifieddwl-usa.com HQ: Reserve, LA, United StatesReported employees: 201-500 | Reserve, LA, United States | 201-500 | Exact match | 178 contacts → |
“Diversified collaborates with our business partners to lower finding and development costs, decrease the risk profile, increase reserves, and to improve capital efficiencies and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | United Consultingunitedconsulting.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 176 contacts → |
“United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kumar And Associates, INCkumarusa.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 140 contacts → |
“Kumar & Associates provides geotechnical engineering, engineering geology, environmental sciences, construction observation and materials testing services for projects in the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CMT Technical Servicescmttechnicalservices.com HQ: West Valley City, UT, United StatesReported employees: 201-500 | West Valley City, UT, United States | 201-500 | Exact match | 138 contacts → |
“CMT Technical Services is a leading provider of Geotechnical Engineering, Materials Testing & Special Inspection, Surveying, and full-service Construction Management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geotechnical Consultants, INCgci2000.com HQ: Westerville, OH, United StatesReported employees: 51-200 | Westerville, OH, United States | 51-200 | Exact match | 133 contacts → |
“Geotechnical Consultants, Inc.(GCI) is a professional geo-engineering firm headquartered in greater Columbus, Ohio.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Converse Consultantsconverseconsultants.com HQ: Monrovia, CA, United StatesReported employees: 51-200 | Monrovia, CA, United States | 51-200 | Exact match | 132 contacts → |
“Converse was established in 1946 by Professor Frederick J.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Triad Engineering, INCtriadeng.com HQ: Scott Depot, WV, United StatesReported employees: 51-200 | Scott Depot, WV, United States | 51-200 | Exact match | 128 contacts → |
“As a multi-disciplinary consulting firm, Triad Engineering, Inc.(Triad) provides geotechnical and civil engineering, landscape architecture, environmental services, land…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | S. W. Cole Engineering, INCswcole.com HQ: Bangor, ME, United StatesReported employees: 51-200 | Bangor, ME, United States | 51-200 | Exact match | 125 contacts → |
“S.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pro-Vac, LLCpro-vac.com HQ: Puyallup, WA, United StatesReported employees: 51-200 | Puyallup, WA, United States | 51-200 | Exact match | 123 contacts → |
“We deliver safe, efficient, and innovative subsurface solutions to support the maintenance and construction of our communities’ critical infrastructure through our expansive fleet…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Geopointgeopoint.org HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 121 contacts → |
“One of the largest privately owned land surveying companies in Florida, GeoPoint provides standard-setting services including subsurface utility location, 811 locating…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tierra, Inc. A Certerra Companytierraeng.com HQ: Temple Terrace, FL, United StatesReported employees: 51-200 | Temple Terrace, FL, United States | 51-200 | Exact match | 118 contacts → |
“Established in 1992, Tierra, Inc.(Tierra) is a full-service consulting geotechnical, forensics, environmental, and construction materials testing engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,039 company matches
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Subsurface exploration services: dataset insights
September 22, 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
1,038 records in the displayed employee bands.
1 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 1,039 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: September 22, 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 subsurface exploration 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 subsurface exploration services did RevenueBase find based in the United States?
The saved snapshot records 1,039 matching company records, 17,610 tracked contacts and 6,897 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: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 subsurface exploration services based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/subsurface-exploration-services/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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