Company lists · Data refreshed October 2026

Top 25 Grid infrastructure engineering firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 21,858 companies tracked

RevenueBase identified 21,858 company matches for grid infrastructure engineering firms worldwide as of October 2026 and tracks 736,039 professional contacts across them, including 185,390 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 October 13, 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 Oct 13, 2026 How this list was built

21,858Companies

736,039Contacts tracked

185,390Verified emails

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The 25 largest grid infrastructure engineering firms worldwide

Ranked by team size

Top 25 of 21,858 company matches for grid infrastructure 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	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Oct 13, 2026	10001+	24,297 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	1,001-5,000	13,979 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 · Oct 13, 2026 · View company records in RevenueBase
3	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	5,001-10,000	10,742 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 · Oct 13, 2026 · View company records in RevenueBase
4	Snc-Lavalin	Exact match	Montreal, QC, CanadaHQ recorded Oct 13, 2026	10001+	9,694 contacts →
	Exact match “SNC Lavalin is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Atkins	Exact match	Epsom, United KingdomHQ recorded Oct 13, 2026	10001+	9,147 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Oct 13, 2026	5,001-10,000	7,638 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 · Oct 13, 2026 · View company records in RevenueBase
7	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 13, 2026	10001+	7,369 contacts →
	Exact match “We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Oct 13, 2026	1,001-5,000	6,682 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Kalpataru Projects International Limited	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	5,001-10,000	6,084 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 · Oct 13, 2026 · View company records in RevenueBase
10	Mortenson	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 13, 2026	5,001-10,000	5,884 contacts →
	Exact match “Mortenson is a U.S-based, top-25 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Oct 13, 2026	5,001-10,000	4,415 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 · Oct 13, 2026 · View company records in RevenueBase
12	Hubbell Incorporated	Exact match	Shelton, CT, United StatesHQ recorded Oct 13, 2026	10001+	4,366 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 · Oct 13, 2026 · View company records in RevenueBase
13	Sargent & Lundy	Exact match	Chicago, United StatesHQ recorded Oct 13, 2026	1,001-5,000	4,341 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Primoris Services Corporation	Exact match	Dallas, TX, United StatesHQ recorded Oct 13, 2026	10001+	4,166 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 · Oct 13, 2026 · View company records in RevenueBase
15	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Oct 13, 2026	10001+	3,939 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 · Oct 13, 2026 · View company records in RevenueBase
16	National Engineering Services Pakistan PVT Limited Nespak	Exact match	Lahore, PakistanHQ recorded Oct 13, 2026	5,001-10,000	3,393 contacts →
	Exact match “NESPAK is Pakistan’s premier consultancy organization (established in 1973).” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Mastec Communications Group	Exact match	Coral Gables, FL, United StatesHQ recorded Oct 13, 2026	5,001-10,000	3,349 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 · Oct 13, 2026 · View company records in RevenueBase
18	Murphy	Exact match	London, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	3,280 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 · Oct 13, 2026 · View company records in RevenueBase
19	TYLIN	Exact match	San Francisco, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	3,179 contacts →
	Exact match “As a global engineering firm, we design infrastructure solutions that connect and elevate communities.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Oct 13, 2026	1,001-5,000	3,020 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 · Oct 13, 2026 · View company records in RevenueBase
21	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,979 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 · Oct 13, 2026 · View company records in RevenueBase
22	SADE	Exact match	75685 Paris Cedex 14, FranceHQ recorded Oct 13, 2026	5,001-10,000	2,639 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 · Oct 13, 2026 · View company records in RevenueBase
23	Hindustan Construction Company	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	1,001-5,000	2,447 contacts →
	Exact match “HCC is a business group developing and building responsible infrastructure through next practices.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	ITD Cementation India LTD	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	1,001-5,000	2,436 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Kleinfelder	Exact match	San Diego, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,401 contacts →
	Exact match “At Kleinfelder, we have been connecting great people to the best work since 1961.” 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 “grid infrastructure 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 21,858 grid infrastructure engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 185,390 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 Oct 13, 2026

25.2%Verified-email coverage

33.7Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

8,069

11-50

7,583

51-200

3,761

201-500

1,251

501-1,000

507

1,001-5,000

452

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 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 185,390 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.

Grid infrastructure engineering firms by location

98 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 21,858 company matches for grid infrastructure 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?

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 3,224 companies, followed by India (2,054) and Brazil (1,956). 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 231 company records, followed by Hyderabad (121) and New Delhi (115).

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 185,390 professional contacts with verified work emails tracked across these 21,858 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.