Company lists · Data refreshed September 2026

Top 25 Alternative energy contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 36,039 companies tracked

RevenueBase identified 36,039 company matches for alternative energy contractors worldwide as of September 2026 and tracks 432,006 professional contacts across them, including 105,161 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for alternative energy 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 September 30, 2026. Country and city lists for alternative energy 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 Sep 30, 2026 How this list was built

36,039Companies

432,006Contacts tracked

105,161Verified emails

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The 25 largest alternative energy contractors worldwide

Ranked by team size

Top 25 of 36,039 company matches for alternative energy contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Siemens Gamesa	Exact match	Zamudio, SpainHQ recorded Sep 30, 2026	10001+	18,693 contacts →
	Exact match “Siemens Gamesa is a global technology leader in the renewable energy industry - specifically in the development, manufacturing, installation and maintenance of wind turbines.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Sep 30, 2026	10001+	8,427 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Sep 30, 2026	10001+	7,974 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Suzlon Group	Exact match	Pune, IndiaHQ recorded Sep 30, 2026	5,001-10,000	7,141 contacts →
	Exact match “Suzlon is a global wind-first, full-stack clean energy solutions conglomerate with businesses spanning RE Technology (Wind, Solar, Storage), RE Development Company, RE Asset…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Enel Green Power	Exact match	Rome, ItalyHQ recorded Sep 30, 2026	5,001-10,000	5,251 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 · Sep 30, 2026 · View company records in RevenueBase
6	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 30, 2026	10001+	3,987 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 · Sep 30, 2026 · View company records in RevenueBase
7	RES	Exact match	Kings Langley, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	3,721 contacts →
	Exact match “RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Sep 30, 2026	5,001-10,000	3,713 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Adani Green Energy LTD	Exact match	United StatesHQ recorded Sep 30, 2026	1,001-5,000	3,017 contacts →
	Exact match “Adani Green Energy Limited (AGEL) is India’s largest renewable energy company playing a vital role in enabling the clean energy transition.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	FTI	Exact match	Menasha, WI, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,741 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 · Sep 30, 2026 · View company records in RevenueBase
11	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,675 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Sep 30, 2026	501-1,000	2,660 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 · Sep 30, 2026 · View company records in RevenueBase
13	SICIM	Exact match	Busseto, ItalyHQ recorded Sep 30, 2026	10001+	2,404 contacts →
	Exact match “SICIM is a leading Worldwide EPC Contractor since 1962, offering all kinds of services related to the production, treatment and transportation of traditional energy sources and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Goldwind	Exact match	Daxing District, ChinaHQ recorded Sep 30, 2026	10001+	2,392 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 · Sep 30, 2026 · View company records in RevenueBase
15	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Sep 30, 2026	5,001-10,000	2,264 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 · Sep 30, 2026 · View company records in RevenueBase
16	Envision Energy	Exact match	Huangpu District, ChinaHQ recorded Sep 30, 2026	1,001-5,000	1,961 contacts →
	Exact match “Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Mitsubishi Power Americas	Exact match	Lake Mary, FL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,859 contacts →
	Exact match “Mitsubishi Power Americas is creating a future that works for people and the planet through innovative power generation technology and solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Premier Energies Limited	Exact match	Secunderabad, IndiaHQ recorded Sep 30, 2026	501-1,000	1,854 contacts →
	Exact match “INDIA'S FIRST LEED GOLD-RATED SOLAR MANUFACTURING FACILITY- The year was 1995, when Shri Surendarpal Singh Saluja established Premier Energies with the goal to harness the sun’s…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Sep 30, 2026	1,001-5,000	1,812 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,794 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Voltalia	Exact match	Paris, FranceHQ recorded Sep 30, 2026	1,001-5,000	1,436 contacts →
	Exact match “Voltalia is an international player in renewable energies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	KK Wind Solutions	Exact match	Ikast, DenmarkHQ recorded Sep 30, 2026	1,001-5,000	1,423 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 · Sep 30, 2026 · View company records in RevenueBase
23	Solv Energy	Exact match	San Diego, CA, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,286 contacts →
	Exact match “SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	ZENER	Exact match	Madrid, SpainHQ recorded Sep 30, 2026	5,001-10,000	1,207 contacts →
	Exact match “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,168 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Sep 30, 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 “alternative energy 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 36,039 alternative energy contractors worldwide

See the full list, filter by size, metro and specialty, and access 105,161 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Alternative energy contractors worldwide at a glance

As of Sep 30, 2026

24.3%Verified-email coverage

12.0Average contacts per company

11-50Median size (employees)

0.6%Largest-city concentration · Lahore

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

17,559

11-50

13,465

51-200

3,538

201-500

778

501-1,000

204

1,001-5,000

148

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 alternative energy contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “alternative energy 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 105,161 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 September 30, 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.

Alternative energy contractors by location

129 lists · largest first

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

How many alternative energy contractors are there worldwide?

RevenueBase identified 36,039 company matches for alternative energy contractors worldwide as of September 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?

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

Which country has the most alternative energy contractors?

The United States leads with 4,310 companies, followed by Brazil (2,537) and India (2,460). Every alternative energy contractors list by country and city is linked on this page.

Which city has the most alternative energy contractors?

Lahore leads with 203 company records, followed by London (196) and Madrid (188).

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 105,161 professional contacts with verified work emails tracked across these 36,039 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 September 30, 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.