Company lists · Data refreshed October 2026

Top 25 Ground support engineering firms worldwide

Name: Ground support engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 14,984 companies tracked

RevenueBase identified 14,984 company matches for ground support engineering firms worldwide as of October 2026 and tracks 276,156 professional contacts across them, including 91,967 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for ground support engineering firms 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 October 13, 2026. Country and city lists for ground support engineering firms 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 Oct 13, 2026 How this list was built

14,984Companies

276,156Contacts tracked

91,967Verified emails

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The 25 largest ground support engineering firms worldwide

Ranked by team size

Top 25 of 14,984 company matches for ground support engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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, KS, United StatesHQ recorded Oct 13, 2026	5,001-10,000	6,380 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Keller	Exact match	London, United KingdomHQ recorded Oct 13, 2026	5,001-10,000	4,148 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 · Oct 13, 2026 · View company records in RevenueBase
3	Power Engineers	Exact match	Hailey, ID, United StatesHQ recorded Oct 13, 2026	1,001-5,000	3,059 contacts →
	Exact match “POWER Engineers is now part of WSP.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Multiconsult	Exact match	Oslo, NorwayHQ recorded Oct 13, 2026	1,001-5,000	2,577 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,259 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Redpath Mining	Exact match	North Bay, ON, CanadaHQ recorded Oct 13, 2026	5,001-10,000	2,182 contacts →
	Exact match “Established in 1962, The Redpath Group is an experienced, full-service solutions provider to the global underground mining industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,778 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 · Oct 13, 2026 · View company records in RevenueBase
8	Woolpert	Exact match	Dayton, OH, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,676 contacts →
	Exact match “Woolpert is a global leader in architecture, engineering, and geospatial (AEG) services, with over a century of experience driving innovation and delivering impact.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Freyssinet	Exact match	Rueil-malmaison, FranceHQ recorded Oct 13, 2026	5,001-10,000	1,559 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 · Oct 13, 2026 · View company records in RevenueBase
10	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,404 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Herrenknecht AG	Exact match	Schwanau, GermanyHQ recorded Oct 13, 2026	1,001-5,000	1,366 contacts →
	Exact match “Herrenknecht is a technology and market leader in the area of mechanized tunnelling systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Toniolo, Busnello SA	Exact match	Porto Alegre, BrazilHQ recorded Oct 13, 2026	1,001-5,000	1,325 contacts →
	Exact match “A Toniolo, Busnello S.A.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Soletanche Bachy	Exact match	Rueil-malmaison, FranceHQ recorded Oct 13, 2026	5,001-10,000	1,265 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 · Oct 13, 2026 · View company records in RevenueBase
14	Volkert, INC	Exact match	Mobile, AL, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,201 contacts →
	Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Timmons Group	Exact match	Richmond, VA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,122 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 · Oct 13, 2026 · View company records in RevenueBase
16	DMC Mining Services	Exact match	Vaughan, ON, CanadaHQ recorded Oct 13, 2026	1,001-5,000	969 contacts →
	Exact match “With a client-centric approach, DMC Mining Services is renowned for being a proven partner capable of delivering safe and innovative solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Ingenieria Civil Vicente	Exact match	Santiago, ChileHQ recorded Oct 13, 2026	1,001-5,000	926 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 · Oct 13, 2026 · View company records in RevenueBase
18	M. N. Dastur & Co. P LTD	Exact match	Kolkata, IndiaHQ recorded Oct 13, 2026	1,001-5,000	904 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	GZA Geoenvironmental, INC	Exact match	Norwood, MA, United StatesHQ recorded Oct 13, 2026	501-1,000	903 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 · Oct 13, 2026 · View company records in RevenueBase
20	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Oct 13, 2026	501-1,000	889 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Mesa Associates, INC	Exact match	Madison, AL, United StatesHQ recorded Oct 13, 2026	1,001-5,000	887 contacts →
	Exact match “Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Hesco Engineering Services	Exact match	Jeddah, Saudi ArabiaHQ recorded Oct 13, 2026	501-1,000	841 contacts →
	Exact match “Hesco is a design and engineering rm located in the Kingdom of Saudi Arabia with oces in Jeddah, Riyadh, Makkah, Syria, Turkey, Egypt, Spain and Lebanon.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Mckim & Creed, INC	Exact match	Raleigh, NC, United StatesHQ recorded Oct 13, 2026	501-1,000	838 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 · Oct 13, 2026 · View company records in RevenueBase
24	Parlym	Exact match	Estaque, FranceHQ recorded Oct 13, 2026	1,001-5,000	773 contacts →
	Exact match “For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Schnabel Engineering	Exact match	Glen Allen, VA, United StatesHQ recorded Oct 13, 2026	501-1,000	759 contacts →
	Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Oct 13, 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 “ground support engineering 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 14,984 ground support engineering firms worldwide

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Ground support engineering firms worldwide at a glance

As of Oct 13, 2026

33.3%Verified-email coverage

18.4Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

7,134

11-50

5,136

51-200

1,907

201-500

470

501-1,000

151

1,001-5,000

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 ground support engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “ground support engineering 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. 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 91,967 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 13, 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.

Ground support engineering firms by location

74 lists · largest first

Every Ground support engineering firms 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 “ground support engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ground support engineering firms are there worldwide?

RevenueBase identified 14,984 company matches for ground support engineering firms worldwide 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?

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

Which country has the most ground support engineering firms?

The United States leads with 3,422 companies, followed by Brazil (1,170) and Italy (636). Every ground support engineering firms list by country and city is linked on this page.

Which city has the most ground support engineering firms?

Sao Paulo leads with 173 company records, followed by Tehran (105) and Belo Horizonte (90).

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 91,967 professional contacts with verified work emails tracked across these 14,984 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 13, 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.