Company lists · Data refreshed November 2026

Top 25 Plant energy optimization consultants worldwide

RevenueBase identified 1,138 company matches for plant energy optimization consultants worldwide as of November 2026 and tracks 6,755 professional contacts across them, including 1,806 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for plant energy optimization consultants 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 plant energy optimization consultants 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
1,138Companies
6,755Contacts tracked
1,806Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest plant energy optimization consultants worldwide

Ranked by team size
Top 25 of 1,138 company matches for plant energy optimization consultants 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 matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500304 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLa Crosse, IA, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAalst, BelgiumHQ recorded Nov 6, 2026n/a119 contacts →

Exact match

“Wij helpen industriële bedrijven hun energiekosten te verminderen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 202611-5079 contacts →

Exact match

“We deliver solutions for our clients because we listen to their needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLimerick, IrelandHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“EM3 is an industrial energy engineering and advisory partner We work with energy-intensive organisations to drive efficiencies, reduce energy costs, and deliver on decarbonisation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Energy 350 takes pride in performing high quality energy studies and energy efficiency related services for end users as well as program administrators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLuling, LA, ChinaHQ recorded Nov 6, 2026201-50053 contacts →

Exact match

“Pedal Valves, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCarmel, VA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Skill Demand Energy partners with utilities, local and state governments, and other entities that provide solutions to reduce America’s energy usage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHamilton, ON, CanadaHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Nerva Energy is an award-winning energy advisory firm, helping our clients to maximize their energy performance, decrease GHG emissions, and improve indoor air quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Since its founding 20 years ago, ÖKOTEC stands for intelligent solutions for the reduction of energy and resource consumption.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOverland Park, KS, United StatesHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLudwigsburg, GermanyHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“WOLFF & MÜLLER ENERGY GMBH ist Teil der traditionsreichen Unternehmensgruppe WOLFF & MÜLLER, einem mittelständischen Familienunternehmen mit Stammsitz in Stuttgart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“We are an engineering company specialised in the segment of Energy Efficiency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGermanyHQ recorded Nov 6, 20261,001-5,00045 contacts →

Exact match

“Proximity to customers is our most important prerequisite for a smooth and successful service business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPune, IndiaHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Aerosys is a young, dynamic, enchanting Organization to Define, Design and Execute Energy Saving solutions to operational Chiller plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Commercial Green Solutions is an A–Z energy consultancy (since 2014) helping hospitality, senior living and commercial properties reduce energy use, lower utility spend and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew Brunswick, NJ, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Tri-State Energy (formerly Tri-State Light & Energy) is an engineering firm with over 40 years of experience specializing in energy efficiency consulting and implementation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKloof, South AfricaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“At ECS we strive to empower our customers in the mining, industrial and commercial sectors with the ability to transform and continuously enhance and optimise their operational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMuntinlupa, PhilippinesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Thermal Solutions Inc.”

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

Exact match

“Energy Industries Corporation specializes in energy efficiency and renewable energy programs for the commercial, industrial and institutional sectors, primarily focusing on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“For over 34 years, EPS has been a trusted leader in industrial energy efficiency and energy management across Canada and internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHollywood, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“NV5 Net Zero is a leading global energy efficiency consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Founded in 2013, VAT Enerji Hizmetleri offers energy efficiency studies, real‑time monitoring with OBSERVER, engineering and contracting services to cut consumption and costs -…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJoué-lès-tours, FranceHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Créé en 2008 au sein du Groupe Hervé, BSE est un bureau d'études spécialisé dans la performance énergétique et environnementale des bâtiments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Energy-efficient building renovations are complex.”

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

Showing 25 of 1,138 plant energy optimization consultants worldwide

See the full list, filter by size, metro and specialty, and access 1,806 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Plant energy optimization consultants worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
769
11-50
299
51-200
50
201-500
6
501-1,000
2
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 plant energy optimization consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “plant energy optimization consultants” 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 1,806 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.

Plant energy optimization consultants by location

9 lists · largest first

Every Plant energy optimization consultants 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 “plant energy optimization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many plant energy optimization consultants are there worldwide?

RevenueBase identified 1,138 company matches for plant energy optimization consultants 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?

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

Which country has the most plant energy optimization consultants?

The United States leads with 229 companies, followed by France (89) and Spain (75). Every plant energy optimization consultants list by country and city is linked on this page.

Which city has the most plant energy optimization consultants?

Paris leads with 17 company records, followed by Madrid (15) and Barcelona (10).

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 1,806 professional contacts with verified work emails tracked across these 1,138 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 1,138 plant energy optimization consultants 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.