Company lists · Data refreshed October 2026

Top 25 Critical power infrastructure contractors worldwide

RevenueBase identified 11,001 company matches for critical power infrastructure contractors worldwide as of October 2026 and tracks 366,455 professional contacts across them, including 95,298 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for critical power infrastructure 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 October 10, 2026. Country and city lists for critical power infrastructure 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 Oct 10, 2026 How this list was built
11,001Companies
366,455Contacts tracked
95,298Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest critical power infrastructure contractors worldwide

Ranked by team size
Top 25 of 11,001 company matches for critical power infrastructure contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 matchColumbus, OH, United StatesHQ recorded Oct 10, 202610001+16,034 contacts →

Exact match

“Vertiv is a global leader in critical digital infrastructure for applications in data centers, communication networks, and commercial and industrial environments.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2Exact matchOverland Park, KS, United StatesHQ recorded Oct 10, 202610001+11,438 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Oct 10, 20265,001-10,00010,742 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 10, 2026 · View company records in RevenueBase
4Exact matchSeoul, South KoreaHQ recorded Oct 10, 20265,001-10,0005,758 contacts →

Exact match

“GS E&C is Korea`s representative global contractor leveraging its experience in Civil Engineering, Building, Oil & Gas, Power Plants and Renewable Energy to continually provide…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Oct 10, 202610001+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 10, 2026 · View company records in RevenueBase
6Exact matchAtlanta, GA, United StatesHQ recorded Oct 10, 202610001+3,666 contacts →

Exact match

“GE Vernova is a planned, purpose-built global energy company that includes Power, Wind, and Electrification businesses and is supported by its accelerator businesses of Advanced…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7Exact matchTysons, VA, United StatesHQ recorded Oct 10, 20265,001-10,0002,996 contacts →

Exact match

“M.C.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8Exact matchPaso Robles, CA, United StatesHQ recorded Oct 10, 20261,001-5,0002,700 contacts →

Exact match

“PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 10, 20265,001-10,0002,661 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 · Oct 10, 2026 · View company records in RevenueBase
10Exact matchAB, CanadaHQ recorded Oct 10, 20265,001-10,0002,418 contacts →

Exact match

“ATCO is a global leader in housing, energy and defence, delivering the essential services people and communities depend on every day.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11Exact matchMunich, GermanyHQ recorded Oct 10, 20261,001-5,0002,332 contacts →

Exact match

“INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12Exact matchBelo Horizonte, BrazilHQ recorded Oct 10, 202610001+2,327 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 · Oct 10, 2026 · View company records in RevenueBase
13Exact matchIssaquah, WA, United StatesHQ recorded Oct 10, 20261,001-5,0001,999 contacts →

Exact match

“NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 10, 202610001+1,901 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 · Oct 10, 2026 · View company records in RevenueBase
15Exact matchBelo Horizonte, BrazilHQ recorded Oct 10, 20265,001-10,0001,854 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 · Oct 10, 2026 · View company records in RevenueBase
16Exact matchİstanbul, TürkiyeHQ recorded Oct 10, 202610001+1,725 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 · Oct 10, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Oct 10, 20261,001-5,0001,618 contacts →

Exact match

“Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18Exact matchAl Ardiya Industrial, KuwaitHQ recorded Oct 10, 202610001+1,514 contacts →

Exact match

“Combined Group Contracting Company (CGC) was established in 1965 in Kuwait as a limited liability company with a total paid capital of KD 7,500 (approximately USD ).”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19Exact matchCairo, EgyptHQ recorded Oct 10, 20261,001-5,0001,462 contacts →

Exact match

“An integrated energy solutions -design and build- provider specialized in Power Generation, Water Treatment and Hydropower while currently diversifying our business segments to…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20Exact matchn/a10001+1,443 contacts →

Exact match

“Visit the Bechtel Corporation company page Bechtel is one of the most respected global engineering, construction, and project management companies.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21Exact matchWeymouth, MA, United StatesHQ recorded Oct 10, 20265,001-10,0001,435 contacts →

Exact match

“BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Oct 10, 20265,001-10,0001,376 contacts →

Exact match

“NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23Exact matchBelmont, United StatesHQ recorded Oct 10, 20261,001-5,0001,374 contacts →

Exact match

“GenusPlus Group (ASX:GNP) is a national force in power and communications infrastructure.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24Exact matchFremont, CA, United StatesHQ recorded Oct 10, 20261,001-5,0001,274 contacts →

Exact match

“Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25Exact matchIrving, TX, United StatesHQ recorded Oct 10, 20261,001-5,0001,263 contacts →

Exact match

“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

Showing 25 of 11,001 critical power infrastructure contractors worldwide

See the full list, filter by size, metro and specialty, and access 95,298 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Critical power infrastructure contractors worldwide at a glance

As of Oct 10, 2026
26.0%Verified-email coverage
33.3Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Houston
Oct 10, 2026Page data refreshed

Companies by employee count

1-10
3,471
11-50
4,082
51-200
2,078
201-500
694
501-1,000
290
1,001-5,000
254
5,001-10,000
45
10001+
35

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 critical power infrastructure contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “critical power infrastructure 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 95,298 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 10, 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.

Critical power infrastructure contractors by location

43 lists · largest first

Every Critical power infrastructure 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 “critical power infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many critical power infrastructure contractors are there worldwide?

RevenueBase identified 11,001 company matches for critical power infrastructure contractors 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?

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

Which country has the most critical power infrastructure contractors?

The United States leads with 2,905 companies, followed by India (688) and the United Kingdom (591). Every critical power infrastructure contractors list by country and city is linked on this page.

Which city has the most critical power infrastructure contractors?

Houston leads with 101 company records, followed by Sao Paulo (73) and Bangalore (55).

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 95,298 professional contacts with verified work emails tracked across these 11,001 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 10, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,001 critical power infrastructure contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.