Company lists · Data refreshed November 2026

Top 25 Geotechnical engineering staffing companies worldwide

Name: Geotechnical engineering staffing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 22,301 companies tracked

RevenueBase identified 22,301 company matches for geotechnical engineering staffing companies worldwide as of November 2026 and tracks 377,701 professional contacts across them, including 106,978 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for geotechnical engineering staffing companies worldwide, 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 5, 2026. Country and city lists for geotechnical engineering staffing companies follow the table.

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 5, 2026 How this list was built

22,301Companies

377,701Contacts tracked

106,978Verified emails

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The 25 largest geotechnical engineering staffing companies worldwide

Ranked by team size

Top 25 of 22,301 company matches for geotechnical engineering staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Keller	Exact match	London, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	4,408 contacts →
	Exact match “Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Golder	Exact match	Las Condes, CanadaHQ recorded Nov 5, 2026	5,001-10,000	3,239 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Bouygues Travaux Publics	Exact match	Saint-quentin-en-yvelines Cedex, FranceHQ recorded Nov 5, 2026	10001+	1,967 contacts →
	Exact match “CONSTRUIRE DES INFRASTRUCTURES DURABLES Bouygues TP est l’un des leaders mondiaux dans les domaines de l’aménagement du territoire et de la construction d’infrastructures durables.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	SEP Engineers	Exact match	Skelmersdale, United KingdomHQ recorded Nov 5, 2026	n/a	1,855 contacts →
	Exact match “Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,827 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	RENCO	Exact match	Pesaro, ItalyHQ recorded Nov 5, 2026	1,001-5,000	1,722 contacts →
	Exact match “Renco S.p.A, an Italian company founded in 1979, is continually committed to providing its Clients with sound business solutions in an ever increasingly complex and challenging…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	UES	Exact match	Orlando, FL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,694 contacts →
	Exact match “UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Freyssinet	Exact match	Rueil-malmaison, FranceHQ recorded Nov 5, 2026	5,001-10,000	1,611 contacts →
	Exact match “Founded over 70 years ago by Eugène Freyssinet, the inventor of prestressing, Freyssinet brings together an unrivalled range of skills in the specialist civil engineering sector…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Arab Center For Engineering Studies	Exact match	Amman, JordanHQ recorded Nov 5, 2026	1,001-5,000	1,553 contacts →
	Exact match “At ACES, we offer a wide range of specialized engineering services including site and geotechnical investigation, materials technology and testing, quality control of projects…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Milicic SA	Exact match	Rosario, ArgentinaHQ recorded Nov 5, 2026	1,001-5,000	1,424 contacts →
	Exact match “We are an Argentine construction and services company with 50 years of experience in large-scale projects that have supported the development of key productive sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Knight Piesold	Exact match	Belvedere, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,378 contacts →
	Exact match “Knight Piésold is an employee-owned, global consulting firm delivering specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Toniolo, Busnello SA	Exact match	Porto Alegre, BrazilHQ recorded Nov 5, 2026	1,001-5,000	1,370 contacts →
	Exact match “A Toniolo, Busnello S.A.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Soletanche Bachy	Exact match	Rueil-malmaison, FranceHQ recorded Nov 5, 2026	5,001-10,000	1,306 contacts →
	Exact match “Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Nov 5, 2026	201-500	1,274 contacts →
	Exact match “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Construction Labor Contractors	Exact match	Round Rock, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	1,273 contacts →
	Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Contech Engineered Solutions	Exact match	West Chester, ME, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,269 contacts →
	Exact match “Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Timmons Group	Exact match	Richmond, NC, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,138 contacts →
	Exact match “Timmons Group is an engineering & technology firm specializing in civil, environmental, GIS, and surveying services to clients across the US.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Tecnosonda S A	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 5, 2026	1,001-5,000	959 contacts →
	Exact match “Tecnosonda is an engineering company founded in 1968, which operates in the areas of Geotechnics, Foundations, Civil Construction, Electromechanics, and Industrial Maintenance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Ingenieria Civil Vicente	Exact match	Santiago, ChileHQ recorded Nov 5, 2026	1,001-5,000	950 contacts →
	Exact match “Más de 60 años aportando al país, a través de servicios integrales para la gran minería, movimiento de tierras masivos y obras de ingeniería civil.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	M. N. Dastur & Co. P LTD	Exact match	Kolkata, IndiaHQ recorded Nov 5, 2026	1,001-5,000	941 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	GZA Geoenvironmental, INC	Exact match	Norwood, MA, United StatesHQ recorded Nov 5, 2026	501-1,000	922 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 5, 2026 · View company records in RevenueBase
24	Klohn Crippen Berger	Exact match	Vancouver, NB, CanadaHQ recorded Nov 5, 2026	501-1,000	909 contacts →
	Exact match “KCB is a global engineering, geosciences, and environmental consulting firm driven by Passion, Integrity and a commitment to Excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Mckim & Creed, INC	Exact match	Raleigh, NC, United StatesHQ recorded Nov 5, 2026	501-1,000	872 contacts →
	Exact match “What if you had the opportunity to do something you love and make a difference in peoples' lives at the same time?” Recorded in the RevenueBase company graph · Nov 5, 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 “geotechnical engineering staffing companies”. 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 22,301 geotechnical engineering staffing companies worldwide

See the full list, filter by size, metro and specialty, and access 106,978 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geotechnical engineering staffing companies worldwide at a glance

As of Nov 5, 2026

28.3%Verified-email coverage

16.9Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

10,708

11-50

7,411

51-200

2,805

201-500

688

501-1,000

234

1,001-5,000

125

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for geotechnical engineering staffing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “geotechnical engineering staffing companies” 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. 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 106,978 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 5, 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.

Geotechnical engineering staffing companies by location

109 lists · largest first

Every Geotechnical engineering staffing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “geotechnical engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geotechnical engineering staffing companies are there worldwide?

RevenueBase identified 22,301 company matches for geotechnical engineering staffing companies worldwide 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?

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

Which country has the most geotechnical engineering staffing companies?

The United States leads with 4,306 companies, followed by the United Kingdom (1,663) and Brazil (1,627). Every geotechnical engineering staffing companies list by country and city is linked on this page.

Which city has the most geotechnical engineering staffing companies?

London leads with 251 company records, followed by Sao Paulo (238) and Belo Horizonte (162).

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 106,978 professional contacts with verified work emails tracked across these 22,301 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 5, 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.