Company lists · Data refreshed November 2026

Top 25 Solar thermal systems integrators worldwide

RevenueBase identified 14,347 company matches for solar thermal systems integrators worldwide as of November 2026 and tracks 104,180 professional contacts across them, including 21,888 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for solar thermal systems integrators 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 5, 2026. Country and city lists for solar thermal systems integrators 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 5, 2026 How this list was built
14,347Companies
104,180Contacts tracked
21,888Verified emails
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The 25 largest solar thermal systems integrators worldwide

Ranked by team size
Top 25 of 14,347 company matches for solar thermal systems integrators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchOrem, UT, United StatesHQ recorded Nov 5, 20261,001-5,0001,120 contacts →

Exact match

“Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchProvo, UT, United StatesHQ recorded Nov 5, 2026501-1,000945 contacts →

Exact match

“Ion Solar is a premium, full-service solar provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLelystad, NetherlandsHQ recorded Nov 5, 20261,001-5,000813 contacts →

Exact match

“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCascavel, BrazilHQ recorded Nov 5, 2026n/a698 contacts →

Exact match

“Na Ilumisol Energia Solar, acreditamos que sustentabilidade e economia andam juntas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSan Diego, MA, United StatesHQ recorded Nov 5, 20261,001-5,000602 contacts →

Exact match

“As Greentech Renewables, we prioritize our commitment to providing customers with exceptional service and top-tier products from prominent renewable energy manufacturers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchVila Velha, BrazilHQ recorded Nov 5, 2026501-1,000581 contacts →

Exact match

“A Fotus Distribuidora Solar é uma distribuidora nacional de soluções em energia fotovoltaica, criada para impulsionar o crescimento sustentável do mercado solar no Brasil.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMainburg, GermanyHQ recorded Nov 5, 20261,001-5,000506 contacts →

Exact match

“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchChandler, AZ, United StatesHQ recorded Nov 5, 202651-200420 contacts →

Exact match

“The future of Solar Sales”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDenver, United StatesHQ recorded Nov 5, 2026501-1,000401 contacts →

Exact match

“Established in 2019.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSan Luis Obispo, CA, United StatesHQ recorded Nov 5, 2026n/a398 contacts →

Exact match

“Founded in 1997, REC Solar has emerged as a leader in the solar industry, installing 800+ solar and storage solutions for commercial and public sector customers nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHirschberg An Der Bergstraße, GermanyHQ recorded Nov 5, 2026501-1,000387 contacts →

Exact match

“GOLDBECK SOLAR is an internationally leading company specializing in the turnkey construction of industrial, commercial, and large‑scale photovoltaic systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 5, 2026201-500387 contacts →

Exact match

“Orb Energy is a vertically integrated solar energy solutions provider - including manufacturing solar photovoltaic panels in Bengaluru and financing SME customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSofia, BulgariaHQ recorded Nov 5, 20261,001-5,000358 contacts →

Exact match

“SUNOTEC is an international system integrator of large-scale renewable energy infrastructure, specialising in the design and delivery of integrated energy systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchDelaware, United StatesHQ recorded Nov 5, 2026201-500350 contacts →

Exact match

“WattMonk is a leading force in the solar industry, committed to revolutionizing the way the world harnesses clean energy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLaurel, MD, United StatesHQ recorded Nov 5, 2026501-1,000344 contacts →

Exact match

“With tens of thousands of customers, Solar Energy World is the fastest growing solar and battery system installation company in our region, serving Delaware, Florida, Maryland…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026201-500326 contacts →

Exact match

“At Applied Energy Technologies, we are redefining the energy landscape with cost-efficient, distributed, and sustainable energy solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchPaterna, SpainHQ recorded Nov 5, 2026201-500308 contacts →

Exact match

“Axial is a global provider of structural solutions for utility-scale solar, engineering systems designed to perform in real-world project conditions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSector 8, IndiaHQ recorded Nov 5, 2026201-500301 contacts →

Exact match

“PremiumCAD is the one of the leading providers of Solar PV installation Design and Drawing Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Nov 5, 2026n/a298 contacts →

Exact match

“Sunrun Solar is an Australian owned and operated fastest growing company providing latest technology PV solar system at very affordable price with guaranteed quality.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchAustin, TX, United StatesHQ recorded Nov 5, 202651-200280 contacts →

Exact match

“FTC Solar is a fast-growing, global provider of solar tracker systems, technology, software, and engineering services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchOslo, NorwayHQ recorded Nov 5, 2026201-500274 contacts →

Exact match

“Otovo is an AI-Native home and business energy services company with a primary focus on solar power.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchConcepción, ChileHQ recorded Nov 5, 2026n/a253 contacts →

Exact match

“Somos especialistas en proyectos de energía solar para empresas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchWeil Der Stadt / Hausen, GermanyHQ recorded Nov 5, 20261,001-5,000247 contacts →

Exact match

“Since 1995, Krannich Solar has been a strong partner for photovoltaic installers and offers everything that drives the energy revolution: sound advice, effective logistics and one…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchIsanti, MN, United StatesHQ recorded Nov 5, 2026201-500245 contacts →

Exact match

“Wolf River Electric is a leading electrical and solar installation company established in 2014.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchByron Bay, AustraliaHQ recorded Nov 5, 2026201-500244 contacts →

Exact match

“Smart Energy was founded to help Australia realise its full solar potential through harnessing our lucky country’s abundance of sun.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 14,347 solar thermal systems integrators worldwide

See the full list, filter by size, metro and specialty, and access 21,888 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar thermal systems integrators worldwide at a glance

As of Nov 5, 2026
21.0%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
0.6%Largest-city concentration · Lahore
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
7,033
11-50
5,337
51-200
1,330
201-500
240
501-1,000
45
1,001-5,000
27
5,001-10,000
10
10001+
5

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 thermal systems integrators are linked below.
What qualifies
Company records worldwide whose business descriptions match “solar thermal systems integrators” 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 21,888 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 5, 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 thermal systems integrators by location

40 lists · largest first

Every Solar thermal systems integrators 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 thermal systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar thermal systems integrators are there worldwide?

RevenueBase identified 14,347 company matches for solar thermal systems integrators 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?

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

Which country has the most solar thermal systems integrators?

The United States leads with 1,796 companies, followed by India (1,170) and Brazil (1,068). Every solar thermal systems integrators list by country and city is linked on this page.

Which city has the most solar thermal systems integrators?

Lahore leads with 85 company records, followed by Madrid (76) and Pune (70).

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 21,888 professional contacts with verified work emails tracked across these 14,347 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 5, 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.