Company lists · Data refreshed November 2026

Top 25 Preventive solar maintenance companies worldwide

RevenueBase identified 1,276 company matches for preventive solar maintenance companies worldwide as of November 2026 and tracks 8,811 professional contacts across them, including 1,713 with verified work emails. The United States is the largest market and Karachi the largest hub.

This list covers company matches for preventive solar maintenance companies 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 preventive solar maintenance companies 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
1,276Companies
8,811Contacts tracked
1,713Verified emails
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The 25 largest preventive solar maintenance companies worldwide

Ranked by team size
Top 25 of 1,276 company matches for preventive solar maintenance companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchProvo, UT, United StatesHQ recorded Nov 6, 2026501-1,000945 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
2Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 2026501-1,000661 contacts →

Exact match

“NovaSource Power Services (“NovaSource”), a portfolio company of Clairvest Group Inc.(“Clairvest”, TSX: CVG) and OMERS Private Equity, the private equity arm of OMERS, is the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 20261,001-5,000464 contacts →

Exact match

“EnergyAid acquired Titan Solar Power's intellectual property (IP) in March of 2025 through bankruptcy court.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000280 contacts →

Exact match

“RNWBL is a high-growth services and technology company, specializing in renewable energy solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,000255 contacts →

Exact match

“Param Renewable Energy, the O&M arm of Gensol is transforming how renewable energy projects and assets are managed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“Founded in 1998, Solar Technologies has installed more than solar panels and helped thousands of Bay Area home and business owners save money with solar.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIrving, MD, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“Cleanleaf, formerly known as Borrego O&M, stands at the forefront of the renewable energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBethpage, NY, United StatesHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Solar installation and service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchConshohocken, PA, United StatesHQ recorded Nov 6, 2026201-50082 contacts →

Exact match

“Miller Bros Solar is a leading North American O&M service provider, headquartered in Conshohocken, PA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEdison, NJ, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“MaxSolar is an independent national provider of Operations & Maintenance (O&M), Technical and Asset Management Services for commercial solar photovoltaic & battery energy storage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBaesweiler, GermanyHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Innovative solar solutions for the sustainable future of your company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFresno, CA, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Solar is a lifetime investment decision.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGijón, SpainHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Asistencia Total en Mantenimiento España S.L.U.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPetaling Jaya, MalaysiaHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“Solar PV Service Provider with Full Fledged Operations & Maintenance Services”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“SunSystem Technology (SST) sets the industry performance standard for Photovoltaic Solar Operations & Maintenance companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Founded in 2009, Ülke Energy is an O&M company based in Istanbul, Türkiye.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Brighter Green Engineering (BGE) is a specialist operations and maintenance provider for ground-mounted, utility-scale solar assets across the United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRovigo, ItalyHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“OEMpv nasce nel 2010 dall’esigenza sempre maggiore di fare manutenzione agli impianti fotovoltaici di media e grande dimensione.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAiea, HI, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Haleakala Solar has been in business for over 40 years and has installed over fourteen thousand solar energy systems with satisfied customers all over the state of Hawaii.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“EnergyAid is a leading provider of high-quality service, maintenance, tune-ups and system evaluations for residential solar customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Broadly, Carolina Solar Services (CSS) is in the business of making sure that clean energy technology assets are well-maintained and operate for their expected life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchThuận An, VietnamHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Vu Phong Solar Energy Joint Stock Company (VUPHONG) was founded in Binh Duong in February 2009.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Whether you need immediate installation repair, restoration services, professional data analysis, or help planning from the ground up, we offer turnkey solar expertise to system…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchUberaba, BrazilHQ recorded Nov 6, 20261,001-5,00032 contacts →

Exact match

“Na Guardiam, oferecemos mais do que serviços em Segurança e Manutenção, entregamos soluções integradas de alta performance, desenvolvidas para garantir segurança, eficiência e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFlemington, NJ, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Advanced Solar Products, Inc.(ASP) is a leading US engineering, construction and O&M firm in the field of solar energy and related sustainable technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,276 preventive solar maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 1,713 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Preventive solar maintenance companies worldwide at a glance

As of Nov 6, 2026
19.4%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Karachi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
760
11-50
377
51-200
90
201-500
16
501-1,000
7
1,001-5,000
4

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 preventive solar maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “preventive solar maintenance companies” 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 1,713 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.

Preventive solar maintenance companies by location

6 lists · largest first

Every Preventive solar maintenance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “preventive solar maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many preventive solar maintenance companies are there worldwide?

RevenueBase identified 1,276 company matches for preventive solar maintenance companies 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?

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

Which country has the most preventive solar maintenance companies?

The United States leads with 249 companies, followed by Brazil (98) and the United Kingdom (60). Every preventive solar maintenance companies list by country and city is linked on this page.

Which city has the most preventive solar maintenance companies?

Karachi leads with 12 company records, followed by Ahmedabad (8) and Denver (8).

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 1,713 professional contacts with verified work emails tracked across these 1,276 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.