Company lists · Data refreshed October 2026

Top 25 Green energy installation contractors worldwide

Name: Green energy installation contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 35,440 companies tracked

RevenueBase identified 35,440 company matches for green energy installation contractors worldwide as of October 2026 and tracks 348,794 professional contacts across them, including 77,722 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for green energy installation 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 13, 2026. Country and city lists for green energy installation 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 13, 2026 How this list was built

35,440Companies

348,794Contacts tracked

77,722Verified emails

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The 25 largest green energy installation contractors worldwide

Ranked by team size

Top 25 of 35,440 company matches for green energy installation contractors 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	Home Depot	Exact match	United StatesHQ recorded Oct 13, 2026	5,001-10,000	20,214 contacts →
	Exact match “Energy Savings Installed For You Installation you can trust.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 13, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Oct 13, 2026	10001+	7,991 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Enel Green Power	Exact match	Rome, ItalyHQ recorded Oct 13, 2026	5,001-10,000	4,769 contacts →
	Exact match “We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	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
6	Pearce Services	Exact match	Paso Robles, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,700 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 13, 2026 · View company records in RevenueBase
7	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	501-1,000	2,696 contacts →
	Exact match “Tata Power Renewable Energy Limited (TPREL) is one of India’s leading renewable energy companies, driving the transition towards a cleaner, more resilient and sustainable energy…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Goldwind	Exact match	Daxing District, ChinaHQ recorded Oct 13, 2026	10001+	2,512 contacts →
	Exact match “As a reliable global strategic partner in clean energy, Goldwind is committed Driving a Renewable Future and centering its business on Ecology-Oriented Development+ENERGY industry…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	5,001-10,000	2,214 contacts →
	Exact match “Founded in 1990, Waaree Energies Limited is India’s leading renewable energy company, driving the global transition to clean power.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	1,001-5,000	2,156 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,782 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Dragados Offshore	Exact match	11510 Puerto Real, SpainHQ recorded Oct 13, 2026	1,001-5,000	1,538 contacts →
	Exact match “Founded in 1972, Dragados Offshore S.A.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	ZENER	Exact match	Madrid, SpainHQ recorded Oct 13, 2026	5,001-10,000	1,301 contacts →
	Exact match “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	GK	Exact match	Oslo, NorwayHQ recorded Oct 13, 2026	1,001-5,000	1,134 contacts →
	Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,075 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Oct 13, 2026	1,001-5,000	984 contacts →
	Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Oct 13, 2026	1,001-5,000	946 contacts →
	Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Inox Wind LTD	Exact match	Noida, IndiaHQ recorded Oct 13, 2026	1,001-5,000	933 contacts →
	Exact match “Inox Wind is India’s leading wind energy solutions provider, offering comprehensive services from concept to commissioning and Operations & Maintenance (O&M).” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Oct 13, 2026	501-1,000	913 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	KK Wind Solutions	Exact match	Ikast, DenmarkHQ recorded Oct 13, 2026	1,001-5,000	886 contacts →
	Exact match “KK Wind Solutions is a dedicated greentech company with more than 35 years of experience in electrical systems for wind turbines.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	CJR Renewables	Exact match	Matosinhos, PortugalHQ recorded Oct 13, 2026	1,001-5,000	864 contacts →
	Exact match “CJR Renewables: EPC/BOP/BOS integrated services provider for wind farms and solar plants.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Cleanmax	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	201-500	809 contacts →
	Exact match “CleanMax is India’s largest commercial and industrial (“C&I”) renewable energy provider with 3 GW of operational, owned and managed capacity.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Oct 13, 2026	1,001-5,000	789 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	GES	Exact match	Zamudio, SpainHQ recorded Oct 13, 2026	501-1,000	785 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 13, 2026	501-1,000	770 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” 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 “green energy installation 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 35,440 green energy installation contractors worldwide

See the full list, filter by size, metro and specialty, and access 77,722 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green energy installation contractors worldwide at a glance

As of Oct 13, 2026

22.3%Verified-email coverage

9.8Average contacts per company

1-10Median size (employees)

0.5%Largest-city concentration · Lahore

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

17,717

11-50

13,165

51-200

3,278

201-500

648

501-1,000

159

1,001-5,000

107

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 green energy installation contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “green energy installation 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 77,722 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.

Green energy installation contractors by location

122 lists · largest first

Every Green energy installation 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 “green energy installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy installation contractors are there worldwide?

RevenueBase identified 35,440 company matches for green energy installation 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?

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

Which country has the most green energy installation contractors?

The United States leads with 4,713 companies, followed by the United Kingdom (2,329) and India (2,227). Every green energy installation contractors list by country and city is linked on this page.

Which city has the most green energy installation contractors?

Lahore leads with 181 company records, followed by Madrid (171) and London (166).

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 77,722 professional contacts with verified work emails tracked across these 35,440 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.