Company lists · Data refreshed November 2026

Top 23 Geophysics services based in the United States

RevenueBase identified 1,933 company matches for geophysics services associated with the United States as of November 2026 and tracks 38,708 professional contacts across them, including 12,996 with verified work emails. Houston is the largest hub.

This list covers company matches for geophysics 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,933Companies
38,708Contacts tracked
12,996Verified emails
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The 23 largest geophysics services based in the United States

Ranked by team size
Top 23 of 1,933 company matches for geophysics services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAustin, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,430 contacts →

Exact match

“SAM has built a reputation as a trusted, knowledgeable, and innovative partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,245 contacts →

Exact match

“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000987 contacts →

Exact match

“Headquartered in Houston, Texas, Geokinetics is one of the world’s largest independent land and seafloor geophysical companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorwood, MA, United StatesHQ recorded Nov 6, 2026501-1,000922 contacts →

Exact match

“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000842 contacts →

Exact match

“Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSt. Petersburg, VA, United StatesHQ recorded Nov 6, 20261,001-5,000691 contacts →

Exact match

“NV5 provides engineering, technology, and consulting services for both public and private sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500629 contacts →

Exact match

“ION commenced the voluntary Chapter 11 process with lender support and DIP financing in April 2022.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCleveland, OK, United StatesHQ recorded Nov 6, 20261,001-5,000588 contacts →

Exact match

“Cleveland Integrity Services offers support services to companies in the Energy, Telecommunications, and Power industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMissouri City, TX, United StatesHQ recorded Nov 6, 2026201-500508 contacts →

Exact match

“GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTomball, TX, United StatesHQ recorded Nov 6, 20265,001-10,000366 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500354 contacts →

Exact match

“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026501-1,000338 contacts →

Exact match

“Ninyo & Moore was acquired by SOCOTEC US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAnnapolis Junction, PA, United StatesHQ recorded Nov 6, 2026201-500315 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 2026201-500294 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchColorado Springs, FL, United StatesHQ recorded Nov 6, 202651-200270 contacts →

Exact match

“The Sanborn Map Company Inc.(Sanborn) is an innovator in the modern geospatial industry, delivering state-of-the-art mapping, visualization and 3D solutions for customers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBothell, WA, United StatesHQ recorded Nov 6, 20261,001-5,000262 contacts →

Exact match

“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchConroe, TX, United StatesHQ recorded Nov 6, 202651-200256 contacts →

Exact match

“IPS is an integrated oilfield service company with over 20 years in the business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMidland, CO, United StatesHQ recorded Nov 6, 20261,001-5,000237 contacts →

Exact match

“Dawson Geophysical Company provides onshore seismic data acquisition and processing services in the United States and Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLas Vegas, CA, United StatesHQ recorded Nov 6, 2026201-500227 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Worth, AZ, United StatesHQ recorded Nov 6, 2026201-500217 contacts →

Exact match

“Headquartered in Fort Worth, Texas, Landpoint has nine office locations and is licensed to operate in 27 states.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“ROGII is the leading technology provider for upstream Oil & Gas providing solutions for geoscience, drilling, and completions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026201-500196 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-200194 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 1,933 geophysics services based in the United States

See the full list, filter by size, metro and specialty, and access 12,996 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geophysics services based in the United States at a glance

As of Nov 6, 2026
33.6%Verified-email coverage
20.0Average contacts per company
1-10Median size (employees)
12.6%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
997
11-50
644
51-200
223
201-500
42
501-1,000
8
1,001-5,000
12
5,001-10,000
2
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,933 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 “geophysics 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 12,996 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 “geophysics services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geophysics services are there based in the United States?

RevenueBase identified 1,933 company matches for geophysics 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?

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

Which city has the most geophysics services?

Houston leads with 243 company records, followed by Denver (44) and Austin (27).

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 12,996 professional contacts with verified work emails tracked across these 1,933 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.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.