Company lists · Data refreshed September 2026
Top 25 Critical infrastructure contractors worldwide
RevenueBase identified 3,166 critical infrastructure contractors worldwide as of September 2026 and tracks 344,126 professional contacts across them, including 93,435 with verified work emails and 0 with mobile numbers. The United States is the largest market and Riyadh the largest hub.
This list covers critical infrastructure contractors 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 16, 2026. Country and city lists for critical infrastructure contractors 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 critical infrastructure contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 25,068 contacts → | ||||
Indirect evidence “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 19,465 contacts → | ||||
Indirect evidence “At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 10,851 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 8,215 contacts → | ||||
Partial evidence “Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 7,706 contacts → | ||||
Indirect evidence “URS Corporation operations are now affiliated with AECOM.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 6,667 contacts → | ||||
Partial evidence “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 6,184 contacts → | ||||
Partial evidence “The Ledcor Group of Companies is one of North America’s most diversified construction companies, serving the building, heavy industrial, civil and Infrastructure, mining…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 5,965 contacts → | ||||
Indirect evidence “UGL is CIMIC Group's specialist end-to-end engineering, services and operations provider.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5,565 contacts → | ||||
Partial evidence “Aecon Group Inc.(TSX: ARE) is a North American construction and infrastructure development company with global experience.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4,362 contacts → | ||||
Partial evidence “Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4,089 contacts → | ||||
Strong evidence “Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3,785 contacts → | ||||
Partial evidence “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3,483 contacts → | ||||
Indirect evidence “When you’ve been around for more than a century, you know a thing or two!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3,436 contacts → | ||||
Indirect evidence “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3,163 contacts → | ||||
Partial evidence “MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2,554 contacts → | ||||
Indirect evidence “DRAGADOS, S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2,527 contacts → | ||||
Partial evidence “RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2,407 contacts → | ||||
Strong evidence “Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2,385 contacts → | ||||
Partial evidence “Bird is a Canadian construction and maintenance company providing a comprehensive scope offering and a diversified portfolio of services to industrial, infrastructure and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2,344 contacts → | ||||
Indirect evidence “At Kleinfelder, we have been connecting great people to the best work since 1961.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2,335 contacts → | ||||
Indirect evidence “ATCO is a global leader in housing, energy and defence, delivering the essential services people and communities depend on every day.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2,289 contacts → | ||||
Partial evidence “SRG Global is a diversified infrastructure services company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2,207 contacts → | ||||
Indirect evidence “KCI is a 100-percent employee-owned engineering, consulting and construction firm serving clients throughout the United States and beyond.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2,040 contacts → | ||||
Indirect evidence “ECC is an employee-owned company that consistently ranks among the top construction and environmental companies in the world.” Source: RevenueBase Database · checked Sep 16, 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: critical infrastructure contractors. 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 critical infrastructure contractors.
- Partial evidence
- Its own public description names part of critical infrastructure contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure contractors. 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 3,166 critical infrastructure contractors worldwide
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Critical infrastructure contractors worldwide at a glance
As of Sep 16, 2026Companies by employee count
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 critical infrastructure contractors, 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
- 16 countries, largest first: the United States, India, Australia, Brazil, Saudi Arabia, the United Kingdom, Canada, Mexico, France, the United Arab Emirates and 6 more. Country and city lists for critical infrastructure contractors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “critical infrastructure contractors”. 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 critical infrastructure contractors), 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 critical infrastructure contractors, 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, 93,435 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 16, 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.
Critical infrastructure contractors by location
16 lists · largest firstEvery Critical infrastructure contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure contractors based in the United States1,524
- Critical infrastructure contractors based in India212
- Critical infrastructure contractors based in Australia192
- Critical infrastructure contractors based in Brazil176
- Critical infrastructure contractors based in Saudi Arabia169
- Critical infrastructure contractors based in the United Kingdom163
- Critical infrastructure contractors based in Canada147
- Critical infrastructure contractors based in Mexico81
- Critical infrastructure contractors based in France76
- Critical infrastructure contractors based in the United Arab Emirates75
- Critical infrastructure contractors based in Italy72
- Critical infrastructure contractors based in the Netherlands72
- Critical infrastructure contractors based in Spain63
- Critical infrastructure contractors based in Germany56
- Critical infrastructure contractors based in Türkiye56
- Critical infrastructure contractors based in Argentina32
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 critical infrastructure contractors, 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 critical infrastructure contractors are there worldwide?
RevenueBase identified 3,166 critical infrastructure contractors 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?
Bechtel Corporation, headquartered in Reston, tops this list with the largest team on record.
Which country has the most critical infrastructure contractors?
The United States leads with 1,524 companies, followed by India (212) and Australia (192). Every critical infrastructure contractors list by country and city is linked on this page.
Which city has the most critical infrastructure contractors?
Riyadh leads with 50 headquartered companies, followed by Houston (33) and London (28).
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 93,435 verified decision-maker contacts tracked across these 3,166 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 16, 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.
More company lists
Company intelligence · public preview
Top 25 critical infrastructure contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,166 matching company records for critical infrastructure contractors worldwide, with 344,126 tracked contacts and 93,435 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Bechtel Corporationbechtel.comHQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 25,068 contacts → |
“Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kiewitkiewit.comHQ: Omaha, NE, United StatesReported employees: 10001+ | Omaha, NE, United States | 10001+ | Exact match | 19,465 contacts → |
“At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Black & Veatchbv.comHQ: Overland Park, KS, United StatesReported employees: 10001+ | Overland Park, KS, United States | 10001+ | Exact match | 10,851 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Laing O'rourkelaingorourke.comHQ: North Sydney, United KingdomReported employees: 10001+ | North Sydney, United Kingdom | 10001+ | Exact match | 8,215 contacts → |
“Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 7,706 contacts → |
“URS Corporation operations are now affiliated with AECOM.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AMEYamey.co.ukHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ledcorledcor.comHQ: Vancouver, BC, CanadaReported employees: 5,001-10,000 | Vancouver, BC, Canada | 5,001-10,000 | Exact match | 6,184 contacts → |
“The Ledcor Group of Companies is one of North America’s most diversified construction companies, serving the building, heavy industrial, civil and Infrastructure, mining…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  UGLugllimited.comHQ: North Sydney, AustraliaReported employees: 5,001-10,000 | North Sydney, Australia | 5,001-10,000 | Exact match | 5,965 contacts → |
“UGL is CIMIC Group's specialist end-to-end engineering, services and operations provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aecon Group INCaecon.comHQ: Toronto, ON, CanadaReported employees: 10001+ | Toronto, ON, Canada | 10001+ | Exact match | 5,565 contacts → |
“Aecon Group Inc.(TSX: ARE) is a North American construction and infrastructure development company with global experience.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Michael Baker Internationalmbakerintl.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 4,362 contacts → |
“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Primoris Services Corporationprim.comHQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 4,089 contacts → |
“Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Costain Group PLCcostain.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,785 contacts → |
“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | DAY & Zimmermanndayzim.com HQ: Philadelphia, PA, United StatesReported employees: 10001+ | Philadelphia, PA, United States | 10001+ | Exact match | 3,483 contacts → |
“When you’ve been around for more than a century, you know a thing or two!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ortec Grouportec-group.comHQ: Aix-en-provence, FranceReported employees: 10001+ | Aix-en-provence, France | 10001+ | Exact match | 3,436 contacts → |
“En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mastecmastec.comHQ: Coral Gables, FL, United StatesReported employees: 10001+ | Coral Gables, FL, United States | 10001+ | Exact match | 3,163 contacts → |
“MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Murphymurphygroup.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,095 contacts → |
“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Dragados SAdragados.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 2,554 contacts → |
“DRAGADOS, S.A.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  SADEsade-cgth.frHQ: 75685 Paris Cedex 14, FranceReported employees: 5,001-10,000 | 75685 Paris Cedex 14, France | 5,001-10,000 | Exact match | 2,527 contacts → |
“RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Telent Technology Services LTDtelent.com HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 2,407 contacts → |
“Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bird Constructionbird.caHQ: Mississauga, ON, CanadaReported employees: 5,001-10,000 | Mississauga, ON, Canada | 5,001-10,000 | Exact match | 2,385 contacts → |
“Bird is a Canadian construction and maintenance company providing a comprehensive scope offering and a diversified portfolio of services to industrial, infrastructure and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kleinfelderkleinfelder.comHQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,344 contacts → |
“At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ATCOatco.comHQ: AB, CanadaReported employees: 5,001-10,000 | AB, Canada | 5,001-10,000 | Exact match | 2,335 contacts → |
“ATCO is a global leader in housing, energy and defence, delivering the essential services people and communities depend on every day.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SRG Globalsrgglobal.com.auHQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 2,289 contacts → |
“SRG Global is a diversified infrastructure services company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  KCIkci.comHQ: Sparks, NC, United StatesReported employees: 1,001-5,000 | Sparks, NC, United States | 1,001-5,000 | Exact match | 2,207 contacts → |
“KCI is a 100-percent employee-owned engineering, consulting and construction firm serving clients throughout the United States and beyond.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ECCecc.net HQ: Burlingame, CA, United StatesReported employees: Not recorded | Burlingame, CA, United States | Not recorded | Exact match | 2,040 contacts → |
“ECC is an employee-owned company that consistently ranks among the top construction and environmental companies in the world.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,166 company matches
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Critical infrastructure contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,153 records in the displayed employee bands.
13 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure contractors by location
16 lists · largest firstEvery Critical infrastructure contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure contractors based in the United States1,524
- Critical infrastructure contractors based in India212
- Critical infrastructure contractors based in Australia192
- Critical infrastructure contractors based in Brazil176
- Critical infrastructure contractors based in Saudi Arabia169
- Critical infrastructure contractors based in the United Kingdom163
- Critical infrastructure contractors based in Canada147
- Critical infrastructure contractors based in Mexico81
- Critical infrastructure contractors based in France76
- Critical infrastructure contractors based in the United Arab Emirates75
- Critical infrastructure contractors based in Italy72
- Critical infrastructure contractors based in the Netherlands72
- Critical infrastructure contractors based in Spain63
- Critical infrastructure contractors based in Germany56
- Critical infrastructure contractors based in Türkiye56
- Critical infrastructure contractors based in Argentina32
Questions about this company list
What does Exact match mean for critical infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure contractors did RevenueBase find worldwide?
The saved snapshot records 3,166 matching company records, 344,126 tracked contacts and 93,435 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure contractors worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 critical infrastructure contractors worldwide
RevenueBase records 3,166 matching company records for critical infrastructure contractors worldwide, with 344,126 tracked contacts and 93,435 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Bechtel Corporationbechtel.com HQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 25,068 contacts → |
“Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kiewitkiewit.com HQ: Omaha, NE, United StatesReported employees: 10001+ | Omaha, NE, United States | 10001+ | Exact match | 19,465 contacts → |
“At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Black & Veatchbv.com HQ: Overland Park, KS, United StatesReported employees: 10001+ | Overland Park, KS, United States | 10001+ | Exact match | 10,851 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Laing O'rourkelaingorourke.com HQ: North Sydney, United KingdomReported employees: 10001+ | North Sydney, United Kingdom | 10001+ | Exact match | 8,215 contacts → |
“Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 7,706 contacts → |
“URS Corporation operations are now affiliated with AECOM.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AMEYamey.co.uk HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ledcorledcor.com HQ: Vancouver, BC, CanadaReported employees: 5,001-10,000 | Vancouver, BC, Canada | 5,001-10,000 | Exact match | 6,184 contacts → |
“The Ledcor Group of Companies is one of North America’s most diversified construction companies, serving the building, heavy industrial, civil and Infrastructure, mining…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | UGLugllimited.com HQ: North Sydney, AustraliaReported employees: 5,001-10,000 | North Sydney, Australia | 5,001-10,000 | Exact match | 5,965 contacts → |
“UGL is CIMIC Group's specialist end-to-end engineering, services and operations provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aecon Group INCaecon.com HQ: Toronto, ON, CanadaReported employees: 10001+ | Toronto, ON, Canada | 10001+ | Exact match | 5,565 contacts → |
“Aecon Group Inc.(TSX: ARE) is a North American construction and infrastructure development company with global experience.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Michael Baker Internationalmbakerintl.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 4,362 contacts → |
“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Primoris Services Corporationprim.com HQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 4,089 contacts → |
“Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Costain Group PLCcostain.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,785 contacts → |
“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | DAY & Zimmermanndayzim.com HQ: Philadelphia, PA, United StatesReported employees: 10001+ | Philadelphia, PA, United States | 10001+ | Exact match | 3,483 contacts → |
“When you’ve been around for more than a century, you know a thing or two!” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ortec Grouportec-group.com HQ: Aix-en-provence, FranceReported employees: 10001+ | Aix-en-provence, France | 10001+ | Exact match | 3,436 contacts → |
“En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mastecmastec.com HQ: Coral Gables, FL, United StatesReported employees: 10001+ | Coral Gables, FL, United States | 10001+ | Exact match | 3,163 contacts → |
“MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Murphymurphygroup.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,095 contacts → |
“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Dragados SAdragados.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 2,554 contacts → |
“DRAGADOS, S.A.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SADEsade-cgth.fr HQ: 75685 Paris Cedex 14, FranceReported employees: 5,001-10,000 | 75685 Paris Cedex 14, France | 5,001-10,000 | Exact match | 2,527 contacts → |
“RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Telent Technology Services LTDtelent.com HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 2,407 contacts → |
“Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bird Constructionbird.ca HQ: Mississauga, ON, CanadaReported employees: 5,001-10,000 | Mississauga, ON, Canada | 5,001-10,000 | Exact match | 2,385 contacts → |
“Bird is a Canadian construction and maintenance company providing a comprehensive scope offering and a diversified portfolio of services to industrial, infrastructure and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kleinfelderkleinfelder.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,344 contacts → |
“At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ATCOatco.com HQ: AB, CanadaReported employees: 5,001-10,000 | AB, Canada | 5,001-10,000 | Exact match | 2,335 contacts → |
“ATCO is a global leader in housing, energy and defence, delivering the essential services people and communities depend on every day.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SRG Globalsrgglobal.com.au HQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 2,289 contacts → |
“SRG Global is a diversified infrastructure services company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KCIkci.com HQ: Sparks, NC, United StatesReported employees: 1,001-5,000 | Sparks, NC, United States | 1,001-5,000 | Exact match | 2,207 contacts → |
“KCI is a 100-percent employee-owned engineering, consulting and construction firm serving clients throughout the United States and beyond.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ECCecc.net HQ: Burlingame, CA, United StatesReported employees: Not recorded | Burlingame, CA, United States | Not recorded | Exact match | 2,040 contacts → |
“ECC is an employee-owned company that consistently ranks among the top construction and environmental companies in the world.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,166 company matches
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Critical infrastructure contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,153 records in the displayed employee bands.
13 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure contractors by location
16 lists · largest firstEvery Critical infrastructure contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure contractors based in the United States1,524
- Critical infrastructure contractors based in India212
- Critical infrastructure contractors based in Australia192
- Critical infrastructure contractors based in Brazil176
- Critical infrastructure contractors based in Saudi Arabia169
- Critical infrastructure contractors based in the United Kingdom163
- Critical infrastructure contractors based in Canada147
- Critical infrastructure contractors based in Mexico81
- Critical infrastructure contractors based in France76
- Critical infrastructure contractors based in the United Arab Emirates75
- Critical infrastructure contractors based in Italy72
- Critical infrastructure contractors based in the Netherlands72
- Critical infrastructure contractors based in Spain63
- Critical infrastructure contractors based in Germany56
- Critical infrastructure contractors based in Türkiye56
- Critical infrastructure contractors based in Argentina32
Questions about this company list
What does Exact match mean for critical infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure contractors did RevenueBase find worldwide?
The saved snapshot records 3,166 matching company records, 344,126 tracked contacts and 93,435 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 critical infrastructure contractors worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗