Company lists · Data refreshed September 2026

Top 25 Geoscience consulting firms based in San Diego, United States

Name: Geoscience consulting firms based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 52 companies tracked

RevenueBase identified 52 company matches for geoscience consulting firms associated with San Diego, United States as of September 2026 and tracks 1,470 professional contacts across them, including 726 with verified work emails. Across the United States, Houston is the largest hub for this category (371 companies); San Diego has 52.

This list covers company matches for geoscience consulting firms associated with San Diego, 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 September 28, 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 Sep 28, 2026 How this list was built

52Companies

1,470Contacts tracked

726Verified emails

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The 25 largest geoscience consulting firms based in San Diego, United States

Ranked by team size

Top 25 of 52 company matches for geoscience consulting firms based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ninyo & Moore, A Socotec Company	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	449 contacts →
	Exact match “Ninyo & Moore was acquired by SOCOTEC US.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Geocon	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	201-500	197 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 · Sep 28, 2026 · View company records in RevenueBase
3	West Consultants, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	84 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Recon Environmental, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	84 contacts →
	Exact match “Environmental consulting • Ecological restoration • 50+ years of service • 100% employee-owned” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Occupational Services, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	74 contacts →
	Exact match “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Nova Services Barnett Quality Control Services	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	64 contacts →
	Exact match “NOVA Services (NOVA) is a State of California Small Business Enterprise (SBE) and Disabled Veteran Business Enterprise (DVBE) as well as a Service-Disabled, Veteran-Owned Small…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Scst, LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “SCST,LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Project Design Consultants, A Bowman Company	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “As of July 18, 2022, Project Design Consultants has joined team Bowman.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	KMEA	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	48 contacts →
	Exact match “Company Overview Founded in 1996, KMEA is headquartered in San Diego, California, and has an operations office in San Antonio, TX.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Devine Consulting, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	41 contacts →
	Exact match “For more than 25 years, DeVine Consulting has partnered with federal agencies to advance missions through innovative technology, technical expertise, and trusted collaboration.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Trevet	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “Trevet is a civil and environmental consulting company headquartered in San Diego, California.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Hargis Associates, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	37 contacts →
	Exact match “Hargis + Associates, Inc.(H+A) is an employee-owned, environmental consulting and engineering firm founded in 1979 with a commitment to providing high-quality, cost-effective…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Sb&o INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “Founded in 1967, SB & O Inc began as a civil engineering and land surveying firm dedicated to serving the growing communities of Southern California.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Tsac Engineering	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	29 contacts →
	Exact match “We are passionate about providing our clients with the best engineering and surveying services in the industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Christian Wheeler Engineering	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “CHRISTIAN WHEELER ENGINEERING is an independent, locally-owned and operated engineering firm that is a major provider of geotechnical consulting, construction observation, special…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Torrey Pines Environmental	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	15 contacts →
	Exact match “Torrey Pines Environmental is an environmental consulting firm established in 2021 as a collaboration between biologists with over 35 years of combined experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	T3 Consulting, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “T3 Consulting, Inc.(T3) is a professional services firm that provides exceptional technical solutions focused on value-led service, quality, and dependability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Blackhawk Environmental	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Blackhawk Environmental, a certified DVBE / SDVOSB / City of San Diego SLBE, provides a wide range of cost-effective environmental consulting services in biological & water…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Pacific Drilling CO	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Welcome to Pacific Drilling Company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Terrapacific Consultants, Incorporated	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “TerraPacific Consultants, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Enviroapplications, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Blue Lake Civil	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “Blue Lake Civil is a San Diego based engineering consulting firm founded by Maggie Witt and Tim Monroe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Trinity Geotechnical Engineering, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Busby Biological Services INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Talent180, LLC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Since 2018, Talent180 has been the executive search and advisory firm of choice for civil engineering, land surveying, and infrastructure consulting firms seeking to strengthen…” Recorded in the RevenueBase company graph · Sep 28, 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 “geoscience consulting firms”. 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 52 geoscience consulting firms based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 726 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geoscience consulting firms based in San Diego, United States at a glance

As of Sep 28, 2026

49.4%Verified-email coverage

28.3Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 52 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 San Diego, United States whose business descriptions match “geoscience consulting firms” 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 726 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 September 28, 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.

Geoscience consulting firms by metro in the United States

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 “geoscience consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geoscience consulting firms are there based in San Diego, United States?

RevenueBase identified 52 company matches for geoscience consulting firms associated with San Diego, United States as of September 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?

Ninyo & Moore, A Socotec Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most geoscience consulting firms?

Houston leads the United States with 371 company records, followed by Denver (109) and Austin (78). San Diego has 52.

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 726 professional contacts with verified work emails tracked across these 52 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 September 28, 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.