Company lists · Data refreshed November 2026

Top 25 Industrial energy optimization startups worldwide

Name: Industrial energy optimization startups worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,351 companies tracked

RevenueBase identified 9,351 company matches for industrial energy optimization startups worldwide as of November 2026 and tracks 196,705 professional contacts across them, including 55,662 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for industrial energy optimization startups 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 industrial energy optimization startups 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

9,351Companies

196,705Contacts tracked

55,662Verified emails

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The 25 largest industrial energy optimization startups worldwide

Ranked by team size

Top 25 of 9,351 company matches for industrial energy optimization startups 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Johnson Controls	Exact match	Cork, IrelandHQ recorded Nov 6, 2026	10001+	55,567 contacts →
	Exact match “Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	British GAS	Exact match	Windsor, United KingdomHQ recorded Nov 6, 2026	10001+	9,964 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Nov 6, 2026	10001+	9,075 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Shell Energy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,764 contacts →
	Exact match “We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,347 contacts →
	Exact match “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,264 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Quorum Software	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,623 contacts →
	Exact match “Quorum Software is a leading provider of energy software worldwide powering growth and profitability for energy businesses by connecting people, workflows, and systems with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Ameresco	Exact match	Framingham, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,570 contacts →
	Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	GE Digital	Exact match	San Ramon, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,257 contacts →
	Exact match “At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Aden Group	Exact match	Vientiane, SingaporeHQ recorded Nov 6, 2026	10001+	1,231 contacts →
	Exact match “Aden Group is a Euro-Asian enterprise delivering comprehensive solutions to boost decarbonization, productivity and energy transition in the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Arcadia	Exact match	Washington, CO, United StatesHQ recorded Nov 6, 2026	501-1,000	1,164 contacts →
	Exact match “Arcadia is the global utility data and energy solutions platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Gruppo AB	Exact match	Orzinuovi, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,135 contacts →
	Exact match “Since 1981, AB has tackled the challenges posed by energy sustainability, working alongside our customers to improve their competitiveness while saving energy and reducing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Clarke Energy	Exact match	Liverpool, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,048 contacts →
	Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Resource Innovations	Exact match	Half Moon Bay, OR, United StatesHQ recorded Nov 6, 2026	501-1,000	793 contacts →
	Exact match “Resource Innovations (RI) is an energy transformation firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Energy Exemplar	Exact match	Salt Lake City, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	700 contacts →
	Exact match “In an era where the world is rapidly advancing towards a cleaner future through decarbonization, Energy Exemplar’s mission lies in ‘Empowering Transformative Energy Decisions’🪫…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	KBC A Yokogawa Company	Exact match	Walton-on-thames, United KingdomHQ recorded Nov 6, 2026	201-500	698 contacts →
	Exact match “We are passionate about driving sustainable change for our planet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Albireo Energy	Exact match	Edison, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	672 contacts →
	Exact match “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	3e Engenharia EM Eficiencia Energetica	Exact match	BrazilHQ recorded Nov 6, 2026	201-500	558 contacts →
	Exact match “A 3E Engenharia atua nacionalmente, oferecendo soluções para empresas concessionárias de serviços públicos, no planejamento, gestão, execução e inovação em projetos de Eficiência…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Korra Energi	Exact match	Cairo, EgyptHQ recorded Nov 6, 2026	1,001-5,000	517 contacts →
	Exact match “Korra Energi is a proud Egyptian leader in energy efficiency and construction services, backed by over 25 years of expertise and a vision of "Growth and Prosperity"(إعمار الأرض).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	PSI Software	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	1,001-5,000	471 contacts →
	Exact match “The PSI Group develops software products for optimizing the flow of energy and materials for utilities and industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Elmeasure	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	501-1,000	460 contacts →
	Exact match “Founded in 2004 by a passionate team of entrepreneurs with deep expertise in energy management, Elmeasure began with a bold mission: to help industries, businesses, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Fuse Energy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	438 contacts →
	Exact match “We are building a full stack energy company to lower cost of energy & accelerate energy abundance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Veolia Industries Global Solutions	Exact match	Aubervilliers, FranceHQ recorded Nov 6, 2026	1,001-5,000	435 contacts →
	Exact match “Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Stem, INC	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	501-1,000	426 contacts →
	Exact match “At Stem, we’re reimagining technology to drive the energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Sensorfact	Exact match	Utrecht, NetherlandsHQ recorded Nov 6, 2026	201-500	408 contacts →
	Exact match “We develop products that allow manufacturers to easily monitor energy consumption and gain insight into machine maintenance.” Recorded in the RevenueBase company graph · Nov 6, 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 “industrial energy optimization startups”. 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 9,351 industrial energy optimization startups worldwide

See the full list, filter by size, metro and specialty, and access 55,662 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial energy optimization startups worldwide at a glance

As of Nov 6, 2026

28.3%Verified-email coverage

21.0Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Madrid

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,465

11-50

2,899

51-200

674

201-500

136

501-1,000

1,001-5,000

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 industrial energy optimization startups are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial energy optimization startups” 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 55,662 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.

Industrial energy optimization startups by location

54 lists · largest first

Every Industrial energy optimization startups 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 “industrial energy optimization startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial energy optimization startups are there worldwide?

RevenueBase identified 9,351 company matches for industrial energy optimization startups 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?

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

Which country has the most industrial energy optimization startups?

The United States leads with 1,486 companies, followed by Spain (613) and France (596). Every industrial energy optimization startups list by country and city is linked on this page.

Which city has the most industrial energy optimization startups?

Madrid leads with 117 company records, followed by London (113) and Paris (109).

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 55,662 professional contacts with verified work emails tracked across these 9,351 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.