Company lists · Data refreshed September 2026
Top 25 Overpass engineering companies worldwide
RevenueBase identified 4,490 overpass engineering companies worldwide as of September 2026 and tracks 154,766 professional contacts across them, including 33,446 with verified work emails. The United States is the largest market and Tehran the largest hub.
This list covers overpass engineering companies worldwide, 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 29, 2026. Country and city lists for overpass engineering companies follow the table.
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.
The 25 largest overpass engineering companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,469 contacts → | ||||
Indirect evidence “For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,835 contacts → | ||||
Partial evidence “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,095 contacts → | ||||
Partial evidence “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,852 contacts → | ||||
Indirect evidence “Yapı Merkezi, founded in 1965, aims "to create and to realize construction projects that will serve humanity by creating environments of happiness".” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,620 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,554 contacts → | ||||
Indirect evidence “DRAGADOS, S.A.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,441 contacts → | ||||
Indirect evidence “HCC is a business group developing and building responsible infrastructure through next practices.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,046 contacts → | ||||
Indirect evidence “With specialized experience in the Construction Industry for more than 50 years, we, at Ahluwalia Contracts, have carved a niche for ourselves in the industry as one of the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,820 contacts → | ||||
Indirect evidence “ABV Rock Group is a construction contractor that operates in several interlinked sectors covering buildings and civil works, and acts as a principal and specialist contractor.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,810 contacts → | ||||
Indirect evidence “Founded on December 24, 1954, D.M.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,514 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,354 contacts → | ||||
Partial evidence “With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,324 contacts → | ||||
Indirect evidence “The Lane Construction Corporation is one of America’s leading construction companies, specializing in large, complex civil infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,243 contacts → | ||||
Indirect evidence “Svevia is a specialist in building and maintaining roads, bridges, ports and other infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,220 contacts → | ||||
Indirect evidence “GR Infraprojects Limited is one of the fastest growing organizations in the Indian infrastructure sector, with 3 decades of legacy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,205 contacts → | ||||
Indirect evidence “Le groupe Colas est leader mondial de la construction, de l'entretien et de la maintenance des infrastructures de transport.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,200 contacts → | ||||
Indirect evidence “Impresa Pizzarotti & C.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,144 contacts → | ||||
Indirect evidence “MKC is one of the leading and premier construction company actively engaged in large scale projects and specialized nature of construction with enormous resources and experience…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1,006 contacts → | ||||
Partial evidence “VSL is a specialist in post-tensioned and cable-stayed structures, foundations and ground engineering.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 996 contacts → | ||||
Indirect evidence “KWS ontwerpt, bouwt, onderhoudt en beheert infrastructuur.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 898 contacts → | ||||
Indirect evidence “J Kumar Infraprojects is a leading construction and infrastructure development company in India, providing end-to-end solutions for a wide range of projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 856 contacts → | ||||
Partial evidence “Theme Engineering Services Pvt.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 848 contacts → | ||||
Indirect evidence “Tecne è il cuore ingegneristico del Gruppo Autostrade per l’Italia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 842 contacts → | ||||
Indirect evidence “KCC BUILDCON PRIVATE LIMITED is a construction company based out of NCR, India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 747 contacts → | ||||
Indirect evidence “vimental has over 40 years experience in the construction, maintenance and upgrading of roads, motorways, bridges, viaducts, service areas and airports.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: overpass engineering 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 overpass engineering companies.
- Partial evidence
- Its own public description names part of overpass engineering companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name overpass engineering 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 4,490 overpass engineering companies worldwide
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Overpass engineering companies worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 overpass engineering 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.
- Coverage
- Every country. Country and city lists for overpass engineering companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “overpass engineering 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 overpass engineering 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 overpass engineering companies, and records with no verified work email.
- 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, 33,446 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 29, 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.
Overpass engineering companies by location
22 lists · largest firstEvery Overpass engineering companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Overpass engineering companies based in the United States597
- Overpass engineering companies based in India445
- Overpass engineering companies based in Italy265
- Overpass engineering companies based in Brazil263
- Overpass engineering companies based in Germany254
- Overpass engineering companies based in the United Kingdom153
- Overpass engineering companies based in Canada111
- Overpass engineering companies based in Switzerland108
- Overpass engineering companies based in Poland92
- Overpass engineering companies based in Australia89
- Overpass engineering companies based in Türkiye88
- Overpass engineering companies based in Spain82
- Overpass engineering companies based in France71
- Overpass engineering companies based in the Netherlands66
- Overpass engineering companies based in South Africa54
- Overpass engineering companies based in Portugal32
- Overpass engineering companies based in Romania31
- Overpass engineering companies based in Austria29
- Overpass engineering companies based in Sweden28
- Overpass engineering companies based in Greece26
- Overpass engineering companies based in New Zealand25
Cities
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 overpass engineering 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 overpass engineering companies are there worldwide?
RevenueBase identified 4,490 overpass engineering companies worldwide 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?
HNTB, headquartered in Kansas City, tops this list with the largest team on record.
Which country has the most overpass engineering companies?
The United States leads with 597 companies, followed by India (445) and Italy (265). Every overpass engineering companies list by country and city is linked on this page.
Which city has the most overpass engineering companies?
Tehran leads with 41 headquartered companies, followed by Sao Paulo (35) and Roma (26).
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 33,446 verified decision-maker contacts tracked across these 4,490 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 29, 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.