Company lists · Data refreshed November 2026

Top 25 Solar engineering and design firms worldwide

RevenueBase identified 43,872 company matches for solar engineering and design firms worldwide as of November 2026 and tracks 515,011 professional contacts across them, including 137,856 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for solar engineering and design 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 engineering and design 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
43,872Companies
515,011Contacts tracked
137,856Verified emails
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The 25 largest solar engineering and design firms worldwide

Ranked by team size
Top 25 of 43,872 company matches for solar engineering and design 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202610001+25,123 contacts →

Exact match

“We are a world-class engineering services and nuclear organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202610001+7,615 contacts →

Exact match

“We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChicago, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0004,591 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
4Exact matchMenasha, WI, United StatesHQ recorded Nov 6, 20265,001-10,0002,999 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
5Exact matchFort Lauderdale, TX, United StatesHQ recorded Nov 6, 20265,001-10,0002,383 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
6Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,307 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
7Exact matchSecunderabad, IndiaHQ recorded Nov 6, 2026501-1,0002,254 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
8Exact matchRock Island, IL, United StatesHQ recorded Nov 6, 20261,001-5,0002,116 contacts →

Exact match

“Leaders in Engineering and Innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCairo, EgyptHQ recorded Nov 6, 20261,001-5,0001,986 contacts →

Exact match

“Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWall Township, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,854 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
12Exact matchPlano, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,849 contacts →

Exact match

“At Westwood, our purpose is to create a better world for people through our work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,827 contacts →

Exact match

“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,484 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
15Exact matchTorrance, WA, United StatesHQ recorded Nov 6, 20261,001-5,0001,481 contacts →

Exact match

“Partner Assessment Corp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchFortaleza, BrazilHQ recorded Nov 6, 20261,001-5,0001,374 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
17Exact matchNatal, BrazilHQ recorded Nov 6, 20261,001-5,0001,177 contacts →

Exact match

“A SIMM EMPREENDIMENTOS S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202610001+1,159 contacts →

Exact match

“Electrical Power Construction Co, Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202610001+1,130 contacts →

Exact match

“Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLimonest, FranceHQ recorded Nov 6, 20261,001-5,0001,101 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
21Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,100 contacts →

Exact match

“Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMadison, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,099 contacts →

Exact match

“Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSão Paulo/sp, BrazilHQ recorded Nov 6, 20265,001-10,0001,084 contacts →

Exact match

“Somos a TSE - Total Sustainable Engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Nov 6, 2026501-1,000994 contacts →

Exact match

“NORR is a global team of 800 architects, engineers, planners, and interior designers creating design strategies and solutions that express the unique vision of every project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFargo, TX, United StatesHQ recorded Nov 6, 20261,001-5,000977 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

Showing 25 of 43,872 solar engineering and design firms worldwide

See the full list, filter by size, metro and specialty, and access 137,856 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar engineering and design firms worldwide at a glance

As of Nov 6, 2026
26.8%Verified-email coverage
11.7Average 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
22,478
11-50
15,412
51-200
4,145
201-500
917
501-1,000
234
1,001-5,000
177
5,001-10,000
24
10001+
25

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 engineering and design firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “solar engineering and design 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 137,856 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 engineering and design firms by location

182 lists · largest first

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

How many solar engineering and design firms are there worldwide?

RevenueBase identified 43,872 company matches for solar engineering and design 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?

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

Which country has the most solar engineering and design firms?

The United States leads with 6,209 companies, followed by India (3,687) and Brazil (3,489). Every solar engineering and design firms list by country and city is linked on this page.

Which city has the most solar engineering and design firms?

Sao Paulo leads with 257 company records, followed by Lahore (248) and Madrid (234).

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 137,856 professional contacts with verified work emails tracked across these 43,872 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.