Company lists · Data refreshed November 2026
Top 25 Electrical resistivity survey services based in the United States
RevenueBase identified 68 company matches for electrical resistivity survey services associated with the United States as of November 2026 and tracks 796 professional contacts across them, including 303 with verified work emails. Atlanta is the largest hub.
This list covers company matches for electrical resistivity survey 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 electrical resistivity survey services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 70 contacts → | ||||
Exact match “Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 25 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 19 contacts → | ||||
Exact match “Advanced Geosciences, Inc.(AGI), based in Austin, Texas, is the leading developer and manufacturer of electrical resistivity and IP imaging hardware and software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 17 contacts → | ||||
Exact match “Since May 1995 GEOVision has specialized in the application of geophysics to engineering and environmental investigations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “Exploration Instruments provides geophysical equipment on a rental basis to engineers, geophysicists, hydrologists, archaeologists, and others involved in geotechnical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Unparalleled ground-penetrating radar, concrete scanning and utility location services for commercial projects of all sizes, offering experience and precision, a higher level of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “Southwest Geophysical Consulting is a Service Disabled, Veteran Owned Small Business that conducts near surface geophysical surveys using Ground Penetrating Radar (GPR)…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Our philosophy is simple: ONLY the Best will do… The Best people…The Best technology…The Best data… ONLY then can our clients make the essential decisions needed for their project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Nova Geophysical Services (NOVA) is a professional firm offering services in Environmental Geophysical Engineering and Surveying Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “NORCAL is a team of Professional Geologists and Geophysicists dedicated to providing a comprehensive range of proven geophysical technologies in support of geologic, groundwater…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “We are a geophysical firm that provides applied geophysical services to the development, construction, engineering, and environmental industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “Great Lakes GPR is primarily a utility based locating company that specializes in Structural Scanning Surveys (Concrete Scanning), Utility Location Surveys and Ground Penetrating…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Rockfish Aquifer Imaging (Rockfish AI) provides geophysical and hydrogeologic services for shallow to deep subsurface investigations, specializing in groundwater.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “We are the experts in electrical grounding design and specialize in providing electrical grounding services and earthing services in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “BlueGreen Geophysics provides consulting services to the oil, gas and mineral exploration industries, defense companies, and environmental planners that seek expertise on…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Maxima Geophysics is a leading provider of geophysical services catering to engineering, environmental, geological, and groundwater projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Delta Geophysics’ team has an in-depth understanding of applied geophysical methods and techniques and can deliver under difficult field conditions when others cannot.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “SubSurface Surveys & Associates, Inc is an applied geophysical company and was established in December of 2004 through the acquisition of SubSurface Surveys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Mayo Geophysical Services Limited (MayoGeo) is a subsurface imaging company based in Colorado that applies innovative non-invasive geophysical methods to aid real-world…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Four Oaks Geophysics was established in April of 2021.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “33 years of professional experience.” 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 “electrical resistivity survey 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 68 electrical resistivity survey services based in the United States
See the full list, filter by size, metro and specialty, and access 303 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Electrical resistivity survey 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 68 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 “electrical resistivity survey 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 303 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 “electrical resistivity survey services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical resistivity survey services are there based in the United States?
RevenueBase identified 68 company matches for electrical resistivity survey 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?
Zonge International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical resistivity survey services?
Atlanta leads with 2 company records, followed by Austin (2) and Carrollton (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 303 professional contacts with verified work emails tracked across these 68 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 68 electrical resistivity survey services based in the United States. Start with a free account, no credit card.
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Electrical resistivity survey services by geography
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- Electrical resistivity survey services based in Australia
- Electrical resistivity survey services based in Brazil
- Electrical resistivity survey services based in Canada
- Electrical resistivity survey services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 electrical resistivity survey 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 68 matching company records for electrical resistivity survey services based in the United States, with 796 tracked contacts and 303 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 electrical resistivity survey 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 |  Zonge Internationalzonge.comHQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 70 contacts → |
“Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Naeva Geophysics, INCnaevageophysics.comHQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Advanced Geosciences, INCagiusa.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 19 contacts → |
“Advanced Geosciences, Inc.(AGI), based in Austin, Texas, is the leading developer and manufacturer of electrical resistivity and IP imaging hardware and software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Geovision INCgeovision.comHQ: Corona, CA, United StatesReported employees: 11-50 | Corona, CA, United States | 11-50 | Exact match | 17 contacts → |
“Since May 1995 GEOVision has specialized in the application of geophysics to engineering and environmental investigations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vector Engineers, INCvectorky.comHQ: Shelbyville, KY, United StatesReported employees: 11-50 | Shelbyville, KY, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Enviroprobe Service, INCenviroprobe.comHQ: Mount Laurel, NJ, United StatesReported employees: 11-50 | Mount Laurel, NJ, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Exploration Instrumentsexiusa.comHQ: Austin, TX, United StatesReported employees: 1-10 | Austin, TX, United States | 1-10 | Exact match | 14 contacts → |
“Exploration Instruments provides geophysical equipment on a rental basis to engineers, geophysicists, hydrologists, archaeologists, and others involved in geotechnical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Integrated Scanning Solutionsintscan.comHQ: Huntersville, NC, United StatesReported employees: 11-50 | Huntersville, NC, United States | 11-50 | Exact match | 11 contacts → |
“Unparalleled ground-penetrating radar, concrete scanning and utility location services for commercial projects of all sizes, offering experience and precision, a higher level of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  American Geophysics, INCamericangeophysics.comHQ: Butler, United StatesReported employees: 1-10 | Butler, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Southwest Geophysical Consulting, LLCswgeophys.comHQ: Albuquerque, NM, United StatesReported employees: 1-10 | Albuquerque, NM, United States | 1-10 | Exact match | 8 contacts → |
“Southwest Geophysical Consulting is a Service Disabled, Veteran Owned Small Business that conducts near surface geophysical surveys using Ground Penetrating Radar (GPR)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Colog, INCcolog.comHQ: Golden, CO, United StatesReported employees: 11-50 | Golden, CO, United States | 11-50 | Exact match | 7 contacts → |
“Our philosophy is simple: ONLY the Best will do… The Best people…The Best technology…The Best data… ONLY then can our clients make the essential decisions needed for their project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Nova Geophysical Servicesnovagsi.comHQ: Douglaston, United StatesReported employees: 1-10 | Douglaston, United States | 1-10 | Exact match | 7 contacts → |
“Nova Geophysical Services (NOVA) is a professional firm offering services in Environmental Geophysical Engineering and Surveying Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Norcal Geophysical Consultantsnorcalgeophysical.comHQ: Cotati, CA, United StatesReported employees: 11-50 | Cotati, CA, United States | 11-50 | Exact match | 6 contacts → |
“NORCAL is a team of Professional Geologists and Geophysicists dedicated to providing a comprehensive range of proven geophysical technologies in support of geologic, groundwater…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Geowave Solutions INCgeowavesolutions.comHQ: Cummings, GA, United StatesReported employees: 11-50 | Cummings, GA, United States | 11-50 | Exact match | 5 contacts → |
“We are a geophysical firm that provides applied geophysical services to the development, construction, engineering, and environmental industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Great Lakes Gpr, LLCgreatlakesgpr.comHQ: Detroit, MI, United StatesReported employees: 1-10 | Detroit, MI, United States | 1-10 | Exact match | 5 contacts → |
“Great Lakes GPR is primarily a utility based locating company that specializes in Structural Scanning Surveys (Concrete Scanning), Utility Location Surveys and Ground Penetrating…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Rockfish Aquifer Imagingrockfishai.comHQ: Tulsa, TX, United StatesReported employees: 1-10 | Tulsa, TX, United States | 1-10 | Exact match | 4 contacts → |
“Rockfish Aquifer Imaging (Rockfish AI) provides geophysical and hydrogeologic services for shallow to deep subsurface investigations, specializing in groundwater.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  E&s Grounding Solutionsesgrounding.comHQ: Hermosa Beach, CA, United StatesReported employees: 1-10 | Hermosa Beach, CA, United States | 1-10 | Exact match | 3 contacts → |
“We are the experts in electrical grounding design and specialize in providing electrical grounding services and earthing services in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Radar Solutions International, INCradar-solutions.comHQ: Waltham, MA, United StatesReported employees: 1-10 | Waltham, MA, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Bluegreen Geophysicsbluegreengeophysics.comHQ: San Diego, NY, United StatesReported employees: 1-10 | San Diego, NY, United States | 1-10 | Exact match | 3 contacts → |
“BlueGreen Geophysics provides consulting services to the oil, gas and mineral exploration industries, defense companies, and environmental planners that seek expertise on…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Maxima Geophysicsmaximageophysics.comHQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 3 contacts → |
“Maxima Geophysics is a leading provider of geophysical services catering to engineering, environmental, geological, and groundwater projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Delta Geophysics, INCdeltageophysics.comHQ: Catasauqua, PA, United StatesReported employees: 1-10 | Catasauqua, PA, United States | 1-10 | Exact match | 3 contacts → |
“Delta Geophysics’ team has an in-depth understanding of applied geophysical methods and techniques and can deliver under difficult field conditions when others cannot.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Subsurface Surveys & Associates, INCsubsurfacesurveys.comHQ: Carlsbad, CA, United StatesReported employees: 1-10 | Carlsbad, CA, United States | 1-10 | Exact match | 2 contacts → |
“SubSurface Surveys & Associates, Inc is an applied geophysical company and was established in December of 2004 through the acquisition of SubSurface Surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mayo Geophysical Services Limitedmayogeo.comHQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 2 contacts → |
“Mayo Geophysical Services Limited (MayoGeo) is a subsurface imaging company based in Colorado that applies innovative non-invasive geophysical methods to aid real-world…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Four Oaks Geophysics LLCfouroaksgeophysics.comHQ: Lancaster, PA, United StatesReported employees: 1-10 | Lancaster, PA, United States | 1-10 | Exact match | 1 contacts → |
“Four Oaks Geophysics was established in April of 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Farrier Surveying INCfarriersurveying.com HQ: Kalkaska, MI, United StatesReported employees: 1-10 | Kalkaska, MI, United States | 1-10 | Exact match | 1 contacts → |
“33 years of professional experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 68 company matches
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Electrical resistivity survey 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
68 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 68 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 electrical resistivity survey 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 electrical resistivity survey services did RevenueBase find based in the United States?
The saved snapshot records 68 matching company records, 796 tracked contacts and 303 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
Electrical resistivity survey services by geography
Cite this list
RevenueBase Data Team. Top 25 electrical resistivity survey services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-resistivity-survey-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
- Electrical resistivity survey services based in Australia
- Electrical resistivity survey services based in Brazil
- Electrical resistivity survey services based in Canada
- Electrical resistivity survey services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 electrical resistivity survey services based in the United States
RevenueBase records 68 matching company records for electrical resistivity survey services based in the United States, with 796 tracked contacts and 303 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 electrical resistivity survey 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 | Zonge Internationalzonge.com HQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 70 contacts → |
“Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Naeva Geophysics, INCnaevageophysics.com HQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Advanced Geosciences, INCagiusa.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 19 contacts → |
“Advanced Geosciences, Inc.(AGI), based in Austin, Texas, is the leading developer and manufacturer of electrical resistivity and IP imaging hardware and software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Geovision INCgeovision.com HQ: Corona, CA, United StatesReported employees: 11-50 | Corona, CA, United States | 11-50 | Exact match | 17 contacts → |
“Since May 1995 GEOVision has specialized in the application of geophysics to engineering and environmental investigations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vector Engineers, INCvectorky.com HQ: Shelbyville, KY, United StatesReported employees: 11-50 | Shelbyville, KY, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Enviroprobe Service, INCenviroprobe.com HQ: Mount Laurel, NJ, United StatesReported employees: 11-50 | Mount Laurel, NJ, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Exploration Instrumentsexiusa.com HQ: Austin, TX, United StatesReported employees: 1-10 | Austin, TX, United States | 1-10 | Exact match | 14 contacts → |
“Exploration Instruments provides geophysical equipment on a rental basis to engineers, geophysicists, hydrologists, archaeologists, and others involved in geotechnical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Integrated Scanning Solutionsintscan.com HQ: Huntersville, NC, United StatesReported employees: 11-50 | Huntersville, NC, United States | 11-50 | Exact match | 11 contacts → |
“Unparalleled ground-penetrating radar, concrete scanning and utility location services for commercial projects of all sizes, offering experience and precision, a higher level of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | American Geophysics, INCamericangeophysics.com HQ: Butler, United StatesReported employees: 1-10 | Butler, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Southwest Geophysical Consulting, LLCswgeophys.com HQ: Albuquerque, NM, United StatesReported employees: 1-10 | Albuquerque, NM, United States | 1-10 | Exact match | 8 contacts → |
“Southwest Geophysical Consulting is a Service Disabled, Veteran Owned Small Business that conducts near surface geophysical surveys using Ground Penetrating Radar (GPR)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Colog, INCcolog.com HQ: Golden, CO, United StatesReported employees: 11-50 | Golden, CO, United States | 11-50 | Exact match | 7 contacts → |
“Our philosophy is simple: ONLY the Best will do… The Best people…The Best technology…The Best data… ONLY then can our clients make the essential decisions needed for their project.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nova Geophysical Servicesnovagsi.com HQ: Douglaston, United StatesReported employees: 1-10 | Douglaston, United States | 1-10 | Exact match | 7 contacts → |
“Nova Geophysical Services (NOVA) is a professional firm offering services in Environmental Geophysical Engineering and Surveying Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Norcal Geophysical Consultantsnorcalgeophysical.com HQ: Cotati, CA, United StatesReported employees: 11-50 | Cotati, CA, United States | 11-50 | Exact match | 6 contacts → |
“NORCAL is a team of Professional Geologists and Geophysicists dedicated to providing a comprehensive range of proven geophysical technologies in support of geologic, groundwater…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Geowave Solutions INCgeowavesolutions.com HQ: Cummings, GA, United StatesReported employees: 11-50 | Cummings, GA, United States | 11-50 | Exact match | 5 contacts → |
“We are a geophysical firm that provides applied geophysical services to the development, construction, engineering, and environmental industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Great Lakes Gpr, LLCgreatlakesgpr.com HQ: Detroit, MI, United StatesReported employees: 1-10 | Detroit, MI, United States | 1-10 | Exact match | 5 contacts → |
“Great Lakes GPR is primarily a utility based locating company that specializes in Structural Scanning Surveys (Concrete Scanning), Utility Location Surveys and Ground Penetrating…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rockfish Aquifer Imagingrockfishai.com HQ: Tulsa, TX, United StatesReported employees: 1-10 | Tulsa, TX, United States | 1-10 | Exact match | 4 contacts → |
“Rockfish Aquifer Imaging (Rockfish AI) provides geophysical and hydrogeologic services for shallow to deep subsurface investigations, specializing in groundwater.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | E&s Grounding Solutionsesgrounding.com HQ: Hermosa Beach, CA, United StatesReported employees: 1-10 | Hermosa Beach, CA, United States | 1-10 | Exact match | 3 contacts → |
“We are the experts in electrical grounding design and specialize in providing electrical grounding services and earthing services in North America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Radar Solutions International, INCradar-solutions.com HQ: Waltham, MA, United StatesReported employees: 1-10 | Waltham, MA, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Bluegreen Geophysicsbluegreengeophysics.com HQ: San Diego, NY, United StatesReported employees: 1-10 | San Diego, NY, United States | 1-10 | Exact match | 3 contacts → |
“BlueGreen Geophysics provides consulting services to the oil, gas and mineral exploration industries, defense companies, and environmental planners that seek expertise on…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Maxima Geophysicsmaximageophysics.com HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 3 contacts → |
“Maxima Geophysics is a leading provider of geophysical services catering to engineering, environmental, geological, and groundwater projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Delta Geophysics, INCdeltageophysics.com HQ: Catasauqua, PA, United StatesReported employees: 1-10 | Catasauqua, PA, United States | 1-10 | Exact match | 3 contacts → |
“Delta Geophysics’ team has an in-depth understanding of applied geophysical methods and techniques and can deliver under difficult field conditions when others cannot.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Subsurface Surveys & Associates, INCsubsurfacesurveys.com HQ: Carlsbad, CA, United StatesReported employees: 1-10 | Carlsbad, CA, United States | 1-10 | Exact match | 2 contacts → |
“SubSurface Surveys & Associates, Inc is an applied geophysical company and was established in December of 2004 through the acquisition of SubSurface Surveys.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mayo Geophysical Services Limitedmayogeo.com HQ: Denver, CO, United StatesReported employees: 1-10 | Denver, CO, United States | 1-10 | Exact match | 2 contacts → |
“Mayo Geophysical Services Limited (MayoGeo) is a subsurface imaging company based in Colorado that applies innovative non-invasive geophysical methods to aid real-world…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Four Oaks Geophysics LLCfouroaksgeophysics.com HQ: Lancaster, PA, United StatesReported employees: 1-10 | Lancaster, PA, United States | 1-10 | Exact match | 1 contacts → |
“Four Oaks Geophysics was established in April of 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Farrier Surveying INCfarriersurveying.com HQ: Kalkaska, MI, United StatesReported employees: 1-10 | Kalkaska, MI, United States | 1-10 | Exact match | 1 contacts → |
“33 years of professional experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 68 company matches
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Electrical resistivity survey 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
68 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 68 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 electrical resistivity survey 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 electrical resistivity survey services did RevenueBase find based in the United States?
The saved snapshot records 68 matching company records, 796 tracked contacts and 303 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
Electrical resistivity survey services by geography
Cite this list
RevenueBase Data Team. Top 25 electrical resistivity survey services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/electrical-resistivity-survey-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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