Company lists · Data refreshed November 2026

Top 25 Grid infrastructure upgrade contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,939 companies tracked

RevenueBase identified 14,939 company matches for grid infrastructure upgrade contractors worldwide as of November 2026 and tracks 443,595 professional contacts across them, including 120,491 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 upgrade contractors 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 upgrade contractors 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

14,939Companies

443,595Contacts tracked

120,491Verified emails

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The 25 largest grid infrastructure upgrade contractors worldwide

Ranked by team size

Top 25 of 14,939 company matches for grid infrastructure upgrade contractors 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	11,223 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
2	Kalpataru Projects International Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	6,367 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
3	Mortenson	Exact match	Minneapolis, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,069 contacts →
	Exact match “Mortenson is a U.S-based, top-10 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Sargent & Lundy	Exact match	Chicago, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,591 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
5	Hubbell Incorporated	Exact match	Shelton, CT, United StatesHQ recorded Nov 6, 2026	10001+	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
6	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	4,310 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Primoris Services Corporation	Exact match	Dallas, AZ, United StatesHQ recorded Nov 6, 2026	10001+	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
8	Mastec Communications Group	Exact match	Coral Gables, FL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,416 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
9	Murphy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,366 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
10	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,019 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
11	FTI	Exact match	Menasha, WI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,999 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
12	IES Holdings	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,710 contacts →
	Exact match “IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Tabocas Participações Empreendimentos S A	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	10001+	2,443 contacts →
	Exact match “Fundada em abril de em Belo Horizonte (MG), a Tabocas é referência nacional na modalidade EPC Full, dentro dos setores de construção e engenharia civil, com foco de atuação na…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Service Stream	Exact match	Docklands, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	2,419 contacts →
	Exact match “Service Stream plays a vital role, working with our clients in keeping communities connected to essential network services across Australia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Almabani General Contractors	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	10001+	2,230 contacts →
	Exact match “Almabani General Contractors has a long robust history which began when the founders’ established the company in Jeddah, Saudi Arabia in October 1972.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Pike Corporation	Exact match	Mount Airy, NC, United StatesHQ recorded Nov 6, 2026	10001+	2,181 contacts →
	Exact match “The Pike family of companies is a leading provider of utilities solutions to over 300 investor-owned, municipal and cooperative utilities in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Areva T&d	Exact match	92084 Paris - La Défense, FranceHQ recorded Nov 6, 2026	10001+	2,148 contacts →
	Exact match “One of the top three global players in the transmission and distribution of energy, AREVA T&D offers solutions to bring electricity from the source onto the power network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Enercon Services, INC	Exact match	Kennesaw, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,022 contacts →
	Exact match “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	10001+	2,000 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Henkels & Mccoy, INC	Exact match	Blue Bell, PA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,935 contacts →
	Exact match “Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Engelmig Energia	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,929 contacts →
	Exact match “A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Westwood Professional Services	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,849 contacts →
	Exact match “At Westwood, our purpose is to create a better world for people through our work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Çalık Enerji	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	10001+	1,804 contacts →
	Exact match “Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	OCU	Exact match	Stockport, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,773 contacts →
	Exact match “OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,715 contacts →
	Exact match “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Recorded in the RevenueBase company graph · Nov 6, 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 upgrade contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,939 grid infrastructure upgrade contractors worldwide

See the full list, filter by size, metro and specialty, and access 120,491 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid infrastructure upgrade contractors worldwide at a glance

As of Nov 6, 2026

27.2%Verified-email coverage

29.7Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,666

11-50

5,405

51-200

2,934

201-500

941

501-1,000

359

1,001-5,000

347

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 upgrade contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “grid infrastructure upgrade contractors” 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 120,491 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 upgrade contractors by location

64 lists · largest first

Every Grid infrastructure upgrade contractors 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 upgrade contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid infrastructure upgrade contractors are there worldwide?

RevenueBase identified 14,939 company matches for grid infrastructure upgrade contractors 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?

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

Which country has the most grid infrastructure upgrade contractors?

The United States leads with 2,992 companies, followed by Brazil (1,201) and India (854). Every grid infrastructure upgrade contractors list by country and city is linked on this page.

Which city has the most grid infrastructure upgrade contractors?

Sao Paulo leads with 105 company records, followed by Lima (68) and Houston (67).

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 120,491 professional contacts with verified work emails tracked across these 14,939 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.