Company lists · Data refreshed November 2026

Top 25 Solar installation engineering firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 53,372 companies tracked

RevenueBase identified 53,372 company matches for solar installation engineering firms worldwide as of November 2026 and tracks 527,002 professional contacts across them, including 122,114 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for solar installation 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 November 6, 2026. Country and city lists for solar installation 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 Nov 6, 2026 How this list was built

53,372Companies

527,002Contacts tracked

122,114Verified emails

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The 25 largest solar installation engineering firms worldwide

Ranked by team size

Top 25 of 53,372 company matches for solar installation engineering firms 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	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	10001+	8,270 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
3	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	5,001-10,000	3,913 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,227 contacts →
	Exact match “Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	2,799 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 · Nov 6, 2026 · View company records in RevenueBase
7	MOSS	Exact match	Fort Lauderdale, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,383 contacts →
	Exact match “Moss is a national, privately-held construction firm providing innovative solutions resulting in award-winning projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Trinasolar	Exact match	Jiangsu, ChinaHQ recorded Nov 6, 2026	10001+	2,321 contacts →
	Exact match “Founded in 1997, Trinasolar (688599.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,307 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	2,294 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 · Nov 6, 2026 · View company records in RevenueBase
11	Premier Energies Limited	Exact match	Secunderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	2,254 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 · Nov 6, 2026 · View company records in RevenueBase
12	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,036 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Freedom Forever	Exact match	Temecula, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,754 contacts →
	Exact match “Freedom Forever is a residential solar installation company that partners with solar sales companies in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	SUN King	Exact match	Nairobi, KenyaHQ recorded Nov 6, 2026	1,001-5,000	1,701 contacts →
	Exact match “Sun King designs, distributes, installs, and finances solar energy solutions for the 1.8 billion global consumers who cannot reliably access or afford traditional electrical grid…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Dragados Offshore	Exact match	11510 Puerto Real, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,579 contacts →
	Exact match “Founded in 1972, Dragados Offshore S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Solv Energy	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,484 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 · Nov 6, 2026 · View company records in RevenueBase
18	Grupo Cosampa	Exact match	Fortaleza, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,374 contacts →
	Exact match “O Grupo Cosampa vem conquistando espaço no mercado, através da prestação de serviços com qualidade e excelência, nas áreas de construção civil, engenharia elétrica e energias…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Sepcoiii Electric Power Construction Co., LTD	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	1,159 contacts →
	Exact match “Electrical Power Construction Co, Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,120 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	EDF Solutions Solaires	Exact match	Limonest, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,101 contacts →
	Exact match “EDF solutions solaires est une filiale à 100% du groupe EDF et leader de l'autoconsommation solaire chez les particuliers depuis plus de 20 ans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Qcells North America	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,076 contacts →
	Exact match “Qcells is a renowned complete energy solutions provider in solar cell and module, energy storage, downstream project business and energy retail.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Maxeon Solar Technologies	Exact match	SingaporeHQ recorded Nov 6, 2026	201-500	1,044 contacts →
	Exact match “Maxeon Solar Technologies is Powering Positive Change™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	977 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 · Nov 6, 2026 · View company records in RevenueBase
25	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	945 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” 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 “solar installation 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 53,372 solar installation engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 122,114 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar installation engineering firms worldwide at a glance

As of Nov 6, 2026

23.2%Verified-email coverage

9.9Average contacts per company

1-10Median size (employees)

0.6%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

26,295

11-50

19,042

51-200

5,376

201-500

1,202

501-1,000

304

1,001-5,000

216

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 solar installation engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “solar installation 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 122,114 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.

Solar installation engineering firms by location

206 lists · largest first

Every Solar installation 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 “solar installation engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar installation engineering firms are there worldwide?

RevenueBase identified 53,372 company matches for solar installation engineering firms 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?

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

Which country has the most solar installation engineering firms?

The United States leads with 7,183 companies, followed by Brazil (4,355) and India (4,245). Every solar installation engineering firms list by country and city is linked on this page.

Which city has the most solar installation engineering firms?

Sao Paulo leads with 325 company records, followed by Lahore (309) and Pune (236).

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 122,114 professional contacts with verified work emails tracked across these 53,372 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.