Company lists · Data refreshed November 2026

Top 25 Solar foundation contractors worldwide

RevenueBase identified 7,530 company matches for solar foundation contractors worldwide as of November 2026 and tracks 77,215 professional contacts across them, including 20,488 with verified work emails. The United States is the largest market and San Diego the largest hub.

This list covers company matches for solar foundation 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 November 6, 2026. Country and city lists for solar foundation 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 Nov 6, 2026 How this list was built
7,530Companies
77,215Contacts tracked
20,488Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest solar foundation contractors worldwide

Ranked by team size
Top 25 of 7,530 company matches for solar foundation contractors 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 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
2Exact matchTemecula, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,754 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
3Exact 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
4Exact 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
5Exact matchMatosinhos, PortugalHQ recorded Nov 6, 20261,001-5,000878 contacts →

Exact match

“CJR Renewables: EPC/BOP/BOS integrated services provider for wind farms and solar plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLoomis, CA, United StatesHQ recorded Nov 6, 2026n/a727 contacts →

Exact match

“Experienced commercial contractor specializing in renewable energy, electrical, and roofing projects for privately-owned buildings as well as state/local government buildings in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 20261,001-5,000658 contacts →

Exact match

“DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500626 contacts →

Exact match

“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Diego, MA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 6, 20265,001-10,000541 contacts →

Exact match

“MasTec’s Clean Energy & Infrastructure (CE & I) segment generates more than $4.5 billion in annual revenue, providing construction services across Renewables, Industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Juan, Puerto RicoHQ recorded Nov 6, 20261,001-5,000510 contacts →

Exact match

“Since 2002, the WindMar Group has pioneered renewable energy development in Puerto Rico.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLévis, BC, CanadaHQ recorded Nov 6, 2026201-500497 contacts →

Exact match

“Borea Construction est le leader nord-américain dans la construction d'énergie renouvelable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026501-1,000466 contacts →

Exact match

“Freyr Energy provides simplified solar solutions for homes & businesses, making clean energy accessible & affordable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 202651-200420 contacts →

Exact match

“The future of Solar Sales”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDenver, United StatesHQ recorded Nov 6, 2026501-1,000401 contacts →

Exact match

“Established in 2019.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Luis Obispo, CA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026201-500393 contacts →

Exact match

“https://ourworldenergy.com/”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSandy, UT, United StatesHQ recorded Nov 6, 2026201-500383 contacts →

Exact match

“We don’t settle at Sunder, so you can expect exceptional service from start to finish in your switch to solar.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGloucester, United KingdomHQ recorded Nov 6, 2026501-1,000360 contacts →

Exact match

“With over 850 staff, we are one of the UK’s leading electrical contractors and solar PV installers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDelaware, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
21Exact matchLaurel, MD, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
22Exact matchEl Cajon, CA, United StatesHQ recorded Nov 6, 2026501-1,000343 contacts →

Exact match

“Ranked #1 in Solar + Battery Installation in America by "Solar Power World" Go Solar American Style!#1 Veteran Owned Solar Company in California Solar Panels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500337 contacts →

Exact match

“Enrich Energy Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKaunas, LithuaniaHQ recorded Nov 6, 2026201-500319 contacts →

Exact match

“PVcase is moving solar forward with an alternative to the traditional labor-intensive, time-consuming, and error-prone solar project development process.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPaterna, SpainHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase

Showing 25 of 7,530 solar foundation contractors worldwide

See the full list, filter by size, metro and specialty, and access 20,488 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Solar foundation contractors worldwide at a glance

As of Nov 6, 2026
26.5%Verified-email coverage
10.3Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · San Diego
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,263
11-50
3,009
51-200
913
201-500
190
501-1,000
42
1,001-5,000
24
5,001-10,000
7
10001+
1

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 foundation contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “solar foundation 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 20,488 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 foundation contractors by location

25 lists · largest first

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

How many solar foundation contractors are there worldwide?

RevenueBase identified 7,530 company matches for solar foundation contractors 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?

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

Which country has the most solar foundation contractors?

The United States leads with 2,347 companies, followed by India (665) and Brazil (510). Every solar foundation contractors list by country and city is linked on this page.

Which city has the most solar foundation contractors?

San Diego leads with 51 company records, followed by Lahore (45) and Ahmedabad (43).

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 20,488 professional contacts with verified work emails tracked across these 7,530 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.

Ready to reach these companies? Verified emails and direct dials for all 7,530 solar foundation contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.