Company lists · Data refreshed November 2026

Top 25 Grid infrastructure engineering firms worldwide

RevenueBase identified 23,010 company matches for grid infrastructure engineering firms worldwide as of November 2026 and tracks 715,945 professional contacts across them, including 182,344 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for grid infrastructure 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 November 6, 2026. Country and city lists for grid infrastructure 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 Nov 6, 2026 How this list was built
23,010Companies
715,945Contacts tracked
182,344Verified emails
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The 25 largest grid infrastructure engineering firms worldwide

Ranked by team size
Top 25 of 23,010 company matches for grid infrastructure engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202610001+25,123 contacts →

Exact match

“We are a world-class engineering services and nuclear organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,00014,844 contacts →

Exact match

“Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,00011,223 contacts →

Exact match

“KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMontreal, ON, CanadaHQ recorded Nov 6, 202610001+10,892 contacts →

Exact match

“SNC Lavalin is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEpsom, FL, United KingdomHQ recorded Nov 6, 202610001+9,322 contacts →

Exact match

“Atkins is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20265,001-10,0007,819 contacts →

Exact match

“For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVeera Desai Road, IndiaHQ recorded Nov 6, 20261,001-5,0006,920 contacts →

Exact match

“Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0006,367 contacts →

Exact match

“THE WORLD'S LOCAL EPC PARTNER Kalpataru Projects International Limited (KPIL), part of the Kalpataru Group, is a leading global engineering and construction company with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0004,591 contacts →

Exact match

“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20265,001-10,0004,504 contacts →

Exact match

“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchShelton, CT, United StatesHQ recorded Nov 6, 202610001+4,484 contacts →

Exact match

“Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDallas, AZ, United StatesHQ recorded Nov 6, 202610001+4,275 contacts →

Exact match

“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 in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMexicoHQ recorded Nov 6, 202610001+4,059 contacts →

Exact match

“Somos una empresa mexicana con 68 años de experiencia en brindar soluciones integrales a retos complejos de infraestructura.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0003,677 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLahore, PakistanHQ recorded Nov 6, 20265,001-10,0003,557 contacts →

Exact match

“NESPAK is Pakistan’s premier consultancy organization (established in 1973).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 20265,001-10,0003,416 contacts →

Exact match

“MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,366 contacts →

Exact match

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,268 contacts →

Exact match

“As a global engineering firm, we design infrastructure solutions that connect and elevate communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLisle, IL, United StatesHQ recorded Nov 6, 20261,001-5,0003,019 contacts →

Exact match

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMenasha, WI, United StatesHQ recorded Nov 6, 20265,001-10,0002,999 contacts →

Exact match

“Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact match75685 Paris Cedex 14, FranceHQ recorded Nov 6, 20265,001-10,0002,673 contacts →

Exact match

“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 in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0002,654 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,563 contacts →

Exact match

“HCC is a business group developing and building responsible infrastructure through next practices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,518 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,456 contacts →

Exact match

“At Kleinfelder, we have been connecting great people to the best work since 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 23,010 grid infrastructure engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 182,344 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid infrastructure engineering firms worldwide at a glance

As of Nov 6, 2026
25.5%Verified-email coverage
31.1Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
9,148
11-50
7,853
51-200
3,652
201-500
1,154
501-1,000
441
1,001-5,000
398
5,001-10,000
51
10001+
54

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 grid infrastructure engineering firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “grid infrastructure 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 182,344 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 6, 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.

Grid infrastructure engineering firms by location

110 lists · largest first

Every Grid infrastructure 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 “grid infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid infrastructure engineering firms are there worldwide?

RevenueBase identified 23,010 company matches for grid infrastructure engineering firms 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?

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

Which country has the most grid infrastructure engineering firms?

The United States leads with 3,100 companies, followed by India (2,231) and Brazil (2,221). Every grid infrastructure engineering firms list by country and city is linked on this page.

Which city has the most grid infrastructure engineering firms?

Sao Paulo leads with 252 company records, followed by Hyderabad (131) and Belo Horizonte (120).

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 182,344 professional contacts with verified work emails tracked across these 23,010 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 6, 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.