Company lists · Data refreshed September 2026

Top 25 Subsurface mapping companies based in the United States

Name: Subsurface mapping companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 547 companies tracked

RevenueBase identified 547 subsurface mapping companies headquartered in the United States as of September 2026 and tracks 8,962 professional contacts across them, including 2,664 with verified work emails. Houston is the largest hub.

This list covers subsurface mapping companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

547Companies

8,962Contacts tracked

2,664Verified emails

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The 25 largest subsurface mapping companies based in the United States

Ranked by team size

Top 25 of 547 subsurface mapping companies based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to subsurface mapping companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Geokinetics INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	501-1,000	834 contacts →
	Indirect evidence “Headquartered in Houston, Texas, Geokinetics is one of the world’s largest independent land and seafloor geophysical companies.” Source: RevenueBase Database · checked Sep 22, 2026
2	GPRS	Indirect evidence	Maumee, OH, United StatesHQ checked Sep 22, 2026	501-1,000	736 contacts →
	Indirect evidence “Creating possibility for our team members and clients by Intelligently Visualizing the Built World is who we are.” Source: RevenueBase Database · checked Sep 22, 2026
3	ION GEO	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	201-500	583 contacts →
	Indirect evidence “ION commenced the voluntary Chapter 11 process with lender support and DIP financing in April 2022.” Source: RevenueBase Database · checked Sep 22, 2026
4	Saexploration	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	201-500	521 contacts →
	Indirect evidence “SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Source: RevenueBase Database · checked Sep 22, 2026
5	Global Geophysical Services	Indirect evidence	Missouri City, TX, United StatesHQ checked Sep 22, 2026	201-500	396 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
6	Exodigo	Partial evidence	Palo Alto, United StatesHQ checked Sep 22, 2026	201-500	350 contacts →
	Partial evidence “Exodigo is the leading underground mapping solution for non-intrusive discovery.” Source: RevenueBase Database · checked Sep 22, 2026
7	Sanborn	Partial evidence	Colorado Springs, CO, United StatesHQ checked Sep 22, 2026	51-200	257 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
8	Dawson Geophysical	Indirect evidence	Midland, TX, United StatesHQ checked Sep 22, 2026	1,001-5,000	211 contacts →
	Indirect evidence “Dawson Geophysical Company provides onshore seismic data acquisition and processing services in the United States and Canada.” Source: RevenueBase Database · checked Sep 22, 2026
9	ESG Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	51-200	169 contacts →
	Indirect evidence “ESG Solutions is a world leader in passive microseismic monitoring.” Source: RevenueBase Database · checked Sep 22, 2026
10	Pro-Vac, LLC	Partial evidence	Puyallup, WA, United StatesHQ checked Sep 22, 2026	51-200	123 contacts →
	Partial evidence “We deliver safe, efficient, and innovative subsurface solutions to support the maintenance and construction of our communities’ critical infrastructure through our expansive fleet…” Source: RevenueBase Database · checked Sep 22, 2026
11	Geopoint	Partial evidence	Tampa, FL, United StatesHQ checked Sep 22, 2026	201-500	121 contacts →
	Partial evidence “One of the largest privately owned land surveying companies in Florida, GeoPoint provides standard-setting services including subsurface utility location, 811 locating…” Source: RevenueBase Database · checked Sep 22, 2026
12	Geosoftware	Partial evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	51-200	115 contacts →
	Partial evidence “GeoSoftware is the global trusted partner for subsurface geoscience software and consulting services.” Source: RevenueBase Database · checked Sep 22, 2026
13	Benthic - Utec	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	51-200	115 contacts →
	Indirect evidence “Benthic is a global leader in offshore marine geotechnical investigation, survey, analysis and design.” Source: RevenueBase Database · checked Sep 22, 2026
14	Feldman Geospatial	Indirect evidence	Boston, MA, United StatesHQ checked Sep 22, 2026	51-200	102 contacts →
	Indirect evidence “Established in 1946, Feldman is a 100-person Geospatial firm led by 10, Registered Professional Land Surveyors and a staff solely dedicated to the practice of Land Surveying, 3D…” Source: RevenueBase Database · checked Sep 22, 2026
15	Impac Exploration Services	Indirect evidence	Weatherford, OK, United StatesHQ checked Sep 22, 2026	51-200	98 contacts →
	Indirect evidence “Impac Exploration Services, Inc.” Source: RevenueBase Database · checked Sep 22, 2026
16	Mine Vision Systems	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 22, 2026	11-50	95 contacts →
	Indirect evidence “Real-time data that's shaping a safer, more sustainable future.” Source: RevenueBase Database · checked Sep 22, 2026
17	Crux Subsurface, INC	Partial evidence	Spokane Valley, WA, United StatesHQ checked Sep 22, 2026	51-200	88 contacts →
	Partial evidence “An integrated geo-structural firm working collaboratively to obtain reliable subsurface data and create efficient, constructible foundation designs.” Source: RevenueBase Database · checked Sep 22, 2026
18	Blood Hound Underground Utility Locators	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 22, 2026	51-200	80 contacts →
	Indirect evidence “Blood Hound is an underground utility locating firm based in the heart of the Midwest, providing services nationwide.” Source: RevenueBase Database · checked Sep 22, 2026
19	Microseismic, INC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	51-200	79 contacts →
	Indirect evidence “Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency \| Geohazards \| Stress Field \| CCUS \| Geothermal \| FDI \| Sinkhole Detection \| Induced Seismicity…” Source: RevenueBase Database · checked Sep 22, 2026
20	Rangefront Mining Services	Indirect evidence	Elko, NV, United StatesHQ checked Sep 22, 2026	51-200	79 contacts →
	Indirect evidence “Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Source: RevenueBase Database · checked Sep 22, 2026
21	Trinity Subsurface, LLC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 22, 2026	51-200	75 contacts →
	Indirect evidence “We want to be the first people you call when you need information or have a problem below the surface.” Source: RevenueBase Database · checked Sep 22, 2026
22	Collier Consulting & Collier Geophysics	Indirect evidence	Stephenville, TX, United StatesHQ checked Sep 22, 2026	51-200	71 contacts →
	Indirect evidence “Geoscience • Engineering • Geophysics Collier Consulting, Inc.” Source: RevenueBase Database · checked Sep 22, 2026
23	Lumina Geophysical	Partial evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	51-200	69 contacts →
	Partial evidence “Lumina is a leading geophysical services solutions and software provider, specializing in innovative tools for subsurface data analysis in the energy industry.” Source: RevenueBase Database · checked Sep 22, 2026
24	Zonge International	Indirect evidence	Reno, NV, United StatesHQ checked Sep 22, 2026	51-200	64 contacts →
	Indirect evidence “Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Source: RevenueBase Database · checked Sep 22, 2026
25	Terra Guidance, LLC	Indirect evidence	Englewood, CO, United StatesHQ checked Sep 22, 2026	51-200	59 contacts →
	Indirect evidence “Terra Guidance provides geological analysis remotely, onsite, and in-house.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: subsurface mapping companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names subsurface mapping companies.
Partial evidence: Its own public description names part of subsurface mapping companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name subsurface mapping companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 547 subsurface mapping companies based in the United States

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Subsurface mapping companies based in the United States at a glance

As of Sep 22, 2026

29.7%Verified-email coverage

16.4Average contacts per company

1-10Median size (employees)

19.0%Largest-city concentration · Houston

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

316

11-50

156

51-200

201-500

501-1,000

1,001-5,000

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 547 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among subsurface mapping companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “subsurface mapping companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names subsurface mapping companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among subsurface mapping companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,664 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Subsurface mapping companies by metro

Subsurface mapping companies in Houston104

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names subsurface mapping companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many subsurface mapping companies are there based in the United States?

RevenueBase identified 547 subsurface mapping companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Geokinetics INC, headquartered in Houston, tops this list with the largest team on record.

Which city has the most subsurface mapping companies?

Houston leads with 104 headquartered companies, followed by Denver (19) and Reno (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,664 verified decision-maker contacts tracked across these 547 companies.

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.

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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 Smart Search, 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.