Company lists · Data refreshed October 2026

Top 25 Energy storage engineering firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 7,465 companies tracked

RevenueBase identified 7,465 company matches for energy storage engineering firms worldwide as of October 2026 and tracks 144,825 professional contacts across them, including 47,920 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for energy storage 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 October 12, 2026. Country and city lists for energy storage 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 Oct 12, 2026 How this list was built

7,465Companies

144,825Contacts tracked

47,920Verified emails

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The 25 largest energy storage engineering firms worldwide

Ranked by team size

Top 25 of 7,465 company matches for energy storage engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Sargent & Lundy	Exact match	Chicago, United StatesHQ recorded Oct 12, 2026	1,001-5,000	4,341 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	10001+	4,217 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	ENPAL	Exact match	Berlin, GermanyHQ recorded Oct 12, 2026	5,001-10,000	3,325 contacts →
	Exact match “Enpal is Europe's leading new energy company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	3,158 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 · Oct 12, 2026 · View company records in RevenueBase
5	Solaredge Technologies	Exact match	Herzliya, IsraelHQ recorded Oct 12, 2026	1,001-5,000	3,144 contacts →
	Exact match “SolarEdge is a global leader in smart energy technology.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,979 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 · Oct 12, 2026 · View company records in RevenueBase
7	Innio Group	Exact match	Munich, GermanyHQ recorded Oct 12, 2026	1,001-5,000	2,332 contacts →
	Exact match “INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Mitsubishi Power Americas	Exact match	Lake Mary, FL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,984 contacts →
	Exact match “Mitsubishi Power Americas is creating a future that works for people and the planet through innovative power generation technology and solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Fluence	Exact match	Arlington, VA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,950 contacts →
	Exact match “To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Canadian Solar INC	Exact match	Kitchener, ON, CanadaHQ recorded Oct 12, 2026	10001+	1,865 contacts →
	Exact match “Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar technology and renewable energy companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Rehlko	Exact match	Milwaukee, WI, United StatesHQ recorded Oct 12, 2026	5,001-10,000	1,864 contacts →
	Exact match “Rehlko is a global leader in energy resilience, delivering the solutions critical to sustain and improve life.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Solv Energy	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,437 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 · Oct 12, 2026 · View company records in RevenueBase
13	Eastman Auto & Power Limited	Exact match	Gurgaon, IndiaHQ recorded Oct 12, 2026	1,001-5,000	1,363 contacts →
	Exact match “Established in Eastman Auto & Power Limited is a well-known name in the field of solar energy, energy storage, and power electronics, boasting a USD 475 million plus Turnover and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Ormat Technologies, INC	Exact match	Reno, NV, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,298 contacts →
	Exact match “With over five decades of experience, Ormat Technologies, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Exide Group	Exact match	Gennevilliers, FranceHQ recorded Oct 12, 2026	5,001-10,000	1,122 contacts →
	Exact match “Exide Technologies in EMEA & Asia-Pacific is a standalone company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Penspen	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	1,056 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 · Oct 12, 2026 · View company records in RevenueBase
17	Clarke Energy	Exact match	Liverpool, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	1,055 contacts →
	Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Oct 12, 2026	1,001-5,000	946 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 · Oct 12, 2026 · View company records in RevenueBase
19	Form Energy	Exact match	Somerville, MA, United StatesHQ recorded Oct 12, 2026	501-1,000	867 contacts →
	Exact match “Form Energy is an American company driving innovation in energy technology and manufacturing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Recurrent Energy	Exact match	Austin, United StatesHQ recorded Oct 12, 2026	501-1,000	840 contacts →
	Exact match “Recurrent Energy, a subsidiary of Canadian Solar Inc, is one of the world's largest and most geographically diversified utility-scale solar and energy storage project development…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Storengy - Engie	Exact match	La Garenne-colombes, FranceHQ recorded Oct 12, 2026	1,001-5,000	805 contacts →
	Exact match “Storengy, an ENGIE subsidiary, is one of the world leaders in underground natural gas storage.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	501-1,000	770 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Powersecure, INC	Exact match	Durham, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	761 contacts →
	Exact match “PowerSecure, a Southern Company subsidiary, is a leading provider of innovative energy solutions to electric utilities and their industrial, institutional, and commercial…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	ALFEN	Exact match	Almere, NetherlandsHQ recorded Oct 12, 2026	501-1,000	707 contacts →
	Exact match “With transformer substations, energy storage systems, charging stations for electric vehicles and a diverse portfolio of other products and services, Alfen has a central and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Oct 12, 2026	501-1,000	704 contacts →
	Exact match “Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy storage 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 7,465 energy storage engineering firms worldwide

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Energy storage engineering firms worldwide at a glance

As of Oct 12, 2026

33.1%Verified-email coverage

19.4Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Shenzhen

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

3,431

11-50

2,404

51-200

958

201-500

337

501-1,000

140

1,001-5,000

115

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 energy storage engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy storage 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 47,920 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 October 12, 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.

Energy storage engineering firms by location

42 lists · largest first

Every Energy storage 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 “energy storage engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy storage engineering firms are there worldwide?

RevenueBase identified 7,465 company matches for energy storage engineering firms worldwide as of October 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?

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

Which country has the most energy storage engineering firms?

The United States leads with 1,216 companies, followed by Germany (546) and the United Kingdom (473). Every energy storage engineering firms list by country and city is linked on this page.

Which city has the most energy storage engineering firms?

Shenzhen leads with 96 company records, followed by London (83) and Houston (46).

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 47,920 professional contacts with verified work emails tracked across these 7,465 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 October 12, 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.