Company lists · Data refreshed November 2026

Top 25 Geological survey services based in the United States

RevenueBase identified 1,891 company matches for geological survey services associated with the United States as of November 2026 and tracks 25,058 professional contacts across them, including 9,938 with verified work emails. Houston is the largest hub.

This list covers company matches for geological 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,891Companies
25,058Contacts tracked
9,938Verified emails
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The 25 largest geological survey services based in the United States

Ranked by team size
Top 25 of 1,891 company matches for geological survey 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 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
2Exact matchBenbrook, CO, United StatesHQ recorded Nov 6, 2026201-500368 contacts →

Exact match

“What began as a small company in the oilfields of Southern Oklahoma, today Topographic Land Surveyors stands as the industry leader in the fields of Surveying, Mapping…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchThe Woodlands, MN, United StatesHQ recorded Nov 6, 2026501-1,000316 contacts →

Exact match

“Encompass Services is a professional Survey, Land/ROW, and GIS firm serving the energy, land management, transportation, and infrastructure industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact matchFayetteville, NC, United StatesHQ recorded Nov 6, 2026201-500217 contacts →

Exact match

“BLEW is your nationwide partner for land surveying, civil engineering, environmental and property assessments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchHalfmoon, NY, United StatesHQ recorded Nov 6, 202651-200216 contacts →

Exact match

“MJ is a multi-disciplinary engineering and land surveying consulting firm with 44 years of comprehensive consultant design experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact matchNorcross, GA, United StatesHQ recorded Nov 6, 202651-200183 contacts →

Exact match

“United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026201-500179 contacts →

Exact match

“Transglobal Services, LLC (TGS) provides surveying, land services, GIS, mapping, and environmental services to the construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWarren, PA, United StatesHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“For over 30 years, Control Point has provided the talent needed for the jobs and projects critical to client success by delivering quality survey documents in a cost-effective and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Founded in Orlando in 1972, SSMC is an independent, 100% employee-owned geospatial services firm providing professional surveying and mapping, subsurface utility engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“Kumar & Associates provides geotechnical engineering, engineering geology, environmental sciences, construction observation and materials testing services for projects in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOntario, CA, United StatesHQ recorded Nov 6, 2026201-500148 contacts →

Exact match

“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWest Valley City, CO, United StatesHQ recorded Nov 6, 2026201-500146 contacts →

Exact match

“CMT Technical Services is a leading provider of Geotechnical Engineering, Materials Testing & Special Inspection, Surveying, and full-service Construction Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“Ravi Engineering & Land Surveying, P.C.(RE & LS) provides state-of-the-art structural, transportation, environmental and geotechnical engineering services, as well as construction…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMonrovia, CA, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Converse was established in 1946 by Professor Frederick J.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchScott Depot, MD, United StatesHQ recorded Nov 6, 202651-200135 contacts →

Exact match

“As a multi-disciplinary consulting firm, Triad Engineering, Inc.(Triad) provides geotechnical and civil engineering, landscape architecture, environmental services, land…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKennesaw, GA, United StatesHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“Geo-Hydro provides geotechnical engineering, construction materials testing, special inspection, and environmental consulting services throughout the southeastern United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVernal, UT, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Since 1964, Uintah Engineering and Land Surveying (UELS), a CLS company, has provided a full range of civil services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchTampa, FL, United StatesHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“One of the largest privately owned land surveying companies in Florida, GeoPoint provides standard-setting services including subsurface utility location, 811 locating…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,891 geological survey services based in the United States

See the full list, filter by size, metro and specialty, and access 9,938 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geological survey services based in the United States at a glance

As of Nov 6, 2026
39.7%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
4.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
942
11-50
707
51-200
191
201-500
33
501-1,000
4
1,001-5,000
5
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 1,891 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 “geological 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 9,938 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.

Geological survey services by metro

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 “geological survey services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geological survey services are there based in the United States?

RevenueBase identified 1,891 company matches for geological 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?

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

Which city has the most geological survey services?

Houston leads with 91 company records, followed by Denver (22) and Austin (18).

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 9,938 professional contacts with verified work emails tracked across these 1,891 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.