Company lists · Data refreshed October 2026

Top 25 Portable seismic apparatus suppliers based in the United States

RevenueBase identified 98 company matches for portable seismic apparatus suppliers associated with the United States as of October 2026 and tracks 2,033 professional contacts across them, including 689 with verified work emails. Houston is the largest hub.

This list covers company matches for portable seismic apparatus suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 29, 2026 How this list was built
98Companies
2,033Contacts tracked
689Verified emails
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The 25 largest portable seismic apparatus suppliers based in the United States

Ranked by team size
Top 25 of 98 company matches for portable seismic apparatus suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 29, 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 matchHouston, TX, United StatesHQ recorded Oct 29, 2026201-500653 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 · Oct 29, 2026 · View company records in RevenueBase
2Exact matchMidland, TX, United StatesHQ recorded Oct 29, 20261,001-5,000229 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 · Oct 29, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 29, 202651-200177 contacts →

Exact match

“ESG Solutions is a world leader in passive microseismic monitoring.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
4Exact matchSugar Land, TX, United StatesHQ recorded Oct 29, 2026201-500165 contacts →

Exact match

“INOVA designs and manufactures seismic data acquisition systems primarily for the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
5Exact matchReno, NV, United StatesHQ recorded Oct 29, 202651-20068 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 · Oct 29, 2026 · View company records in RevenueBase
6Exact matchWichita, KS, United StatesHQ recorded Oct 29, 202651-20065 contacts →

Exact match

“Headquartered in Wichita, Kansas, and founded in 1993, Paragon Geophysical Services, Inc.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
7Exact matchSan Jose, CA, United StatesHQ recorded Oct 29, 202651-20056 contacts →

Exact match

“Empowering geoscientists everywhere to explore and quantify the world since 1969.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
8Exact matchNorwood, NJ, United StatesHQ recorded Oct 29, 202651-20055 contacts →

Exact match

“Alpine are experts in acquiring, analyzing, and interpreting data from marine offshore, nearshore, and freshwater environments.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
9Exact matchBellaire, TX, United StatesHQ recorded Oct 29, 202611-5042 contacts →

Exact match

“Geophysical Technology, Inc.(GTI) designs, engineers, and manufactures wireless seismic recording technology, ancillary equipment and tools.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
10Exact matchSaratoga Springs, NY, United StatesHQ recorded Oct 29, 202611-5023 contacts →

Exact match

“Geophysical Software Development Celebrating 25 Years in business in 2023 Instrumental Software Technologies, Inc.(ISTI) specializes in full turnkey seismic monitoring services…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
11Exact matchCharlottesville, VA, United StatesHQ recorded Oct 29, 202651-20022 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
12Exact matchCocoa Beach, FL, United StatesHQ recorded Oct 29, 202611-5022 contacts →

Exact match

“Quantum, a Geospace brand, is a leader in delivering real-time situational awareness with seismic-acoustic technology.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
13Exact matchStafford, TX, United StatesHQ recorded Oct 29, 202611-5021 contacts →

Exact match

“A Revolution in Seismic Data Acquisition We bring to seismic contractors and service companies the industry's only scalable wireless seismic recording system with real-time…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 29, 202611-5019 contacts →

Exact match

“GeoTomo develops and offers high-end geophysical software products and provides advanced data processing services that help geophysicists around the world to image the…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Oct 29, 202651-20016 contacts →

Exact match

“Mount Sopris Instruments is a leading manufacturer of slimline borehole geophysical logging systems for the groundwater, mining, engineering, environmental, geothermal, and oil…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
16Exact matchWheat Ridge, CO, United StatesHQ recorded Oct 29, 202611-5015 contacts →

Exact match

“Earth Science Systems, LLC (ESS, LLC) manufactures geophysical instrumentation and software for the construction, infrastructure, and energy industries.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
17Exact matchDighton, CA, United StatesHQ recorded Oct 29, 202651-20014 contacts →

Exact match

“NodalSeismic, LLC engages in the seismic acquisition business as a contractor to major oil & gas companies, engineering / consulting firms, or government entities.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
18Exact matchAustin, TX, United StatesHQ recorded Oct 29, 20261-1013 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 · Oct 29, 2026 · View company records in RevenueBase
19Exact matchReno, NV, United StatesHQ recorded Oct 29, 20261-1010 contacts →

Exact match

“Our VsSurf® solution equips professionals with the tools to efficiently record and analyze surface waves, using both ambient and active seismic energy, for a deeper understanding…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
20Exact matchMalakoff, TX, United StatesHQ recorded Oct 29, 20261-109 contacts →

Exact match

“Silverthorne provides access to the highest quality seismic data within the Oil & Gas Industry for over 18 years.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
21Exact matchCummings, GA, United StatesHQ recorded Oct 29, 202611-504 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 · Oct 29, 2026 · View company records in RevenueBase
22Exact matchSuite 100, United StatesHQ recorded Oct 29, 202611-504 contacts →

Exact match

“NOMIS Seismographs has been recognized world wide as a leading manufacturer of seismic monitoring equipment for the construction, mining, quarrying and demolition fields since…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
23Exact matchAlexandria, LA, United StatesHQ recorded Oct 29, 20261-104 contacts →

Exact match

“Because the World Never Stops Turning.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
24Exact matchRosenberg, TX, United StatesHQ recorded Oct 29, 20261-104 contacts →

Exact match

“With the development of modern seismic acquisition processes, Seis GEaR entered the market at a great time.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
25Exact matchCotati, CA, United StatesHQ recorded Oct 29, 202611-503 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 · Oct 29, 2026 · View company records in RevenueBase

Showing 25 of 98 portable seismic apparatus suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 689 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Portable seismic apparatus suppliers based in the United States at a glance

As of Oct 29, 2026
33.9%Verified-email coverage
20.7Average contacts per company
1-10Median size (employees)
21.4%Largest-city concentration · Houston
Oct 29, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
27
51-200
14
201-500
4
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 98 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 “portable seismic apparatus suppliers” 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 689 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 29, 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 “portable seismic apparatus suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many portable seismic apparatus suppliers are there based in the United States?

RevenueBase identified 98 company matches for portable seismic apparatus suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most portable seismic apparatus suppliers?

Houston leads with 21 company records, followed by Denver (3) and Reno (3).

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 689 professional contacts with verified work emails tracked across these 98 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 29, 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.