Company lists · Data refreshed October 2026
Top 25 Data center energy consultants worldwide
RevenueBase identified 5,883 company matches for data center energy consultants worldwide as of October 2026 and tracks 62,187 professional contacts across them, including 20,388 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for data center energy 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 October 11, 2026. Country and city lists for data center energy 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.
The 25 largest data center energy consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,206 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 1,513 contacts → | ||||
Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 1,150 contacts → | ||||
Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 1,054 contacts → | ||||
Exact match “We provide high-end technical and professional services for the entire lifecycle of data centers.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 1,028 contacts → | ||||
Exact match “Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 872 contacts → | ||||
Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 835 contacts → | ||||
Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 796 contacts → | ||||
Exact match “RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 501 contacts → | ||||
Exact match “ST Telemedia Global Data Centres India (STT GDC India) is a market-leading Data Centre Colocation services provider offering AI-Ready, carrier-neutral DC colocation services…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 487 contacts → | ||||
Exact match “NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 393 contacts → | ||||
Exact match “Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 387 contacts → | ||||
Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 381 contacts → | ||||
Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 368 contacts → | ||||
Exact match “Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 360 contacts → | ||||
Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 348 contacts → | ||||
Exact match “Pro-Matrix, prides on developing and designing data centers tailored to meet all our client’s business needs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 311 contacts → | ||||
Exact match “Overwatch is building the workforce behind the future of AI and digital infrastructure.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 301 contacts → | ||||
Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 291 contacts → | ||||
Exact match “Compass Datacenters does data centers differently.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 267 contacts → | ||||
Exact match “Founded in 1983, APL is a Group specialised in the consultancy, engineering, construction and operation of data centers.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 21 | 249 contacts → | ||||
Exact match “Ethos is a group of engineers, consultants and creative thinkers, designing and delivering data centre and energy infrastructure projects across the world's most dynamic markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 249 contacts → | ||||
Exact match “We make technology work in buildings.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 246 contacts → | ||||
Exact match “kW MCE, Member of WSP, is solely focused on the strategic planning, engineering design, and assessment of data centers and mission critical facilities.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 231 contacts → | ||||
Exact match “At Mantis Innovation, our experts provide data-driven, consultative services designed to optimize your facility, sustainability, and energy management strategies, while ultimately…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 230 contacts → | ||||
Exact match “Stream Data Centers has provided premium data center services since with 90% of its inventory leased to Fortune 100 customers.” Recorded in the RevenueBase company graph · Oct 11, 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 “data center energy consultants”. 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 5,883 data center energy consultants worldwide
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Data center energy consultants worldwide at a glance
As of Oct 11, 2026Companies by employee count
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 data center energy consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “data center energy 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 20,388 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 11, 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.
Data center energy consultants by location
31 lists · largest firstEvery Data center energy consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data center energy consultants based in the United States1,203
- Data center energy consultants based in France379
- Data center energy consultants based in Germany364
- Data center energy consultants based in Spain337
- Data center energy consultants based in the United Kingdom284
- Data center energy consultants based in Italy269
- Data center energy consultants based in Canada197
- Data center energy consultants based in Brazil158
- Data center energy consultants based in India149
- Data center energy consultants based in Australia115
- Data center energy consultants based in the Netherlands107
- Data center energy consultants based in Mexico70
- Data center energy consultants based in Switzerland68
- Data center energy consultants based in Türkiye68
- Data center energy consultants based in Poland65
- Data center energy consultants based in Portugal56
- Data center energy consultants based in Belgium46
- Data center energy consultants based in Chile46
- Data center energy consultants based in South Africa43
- Data center energy consultants based in the United Arab Emirates39
- Data center energy consultants based in Ireland36
- Data center energy consultants based in Sweden34
- Data center energy consultants based in Indonesia28
- Data center energy consultants based in Norway27
Cities
- Data center energy consultants based in London, United Kingdom66
- Data center energy consultants based in Madrid, Spain63
- Data center energy consultants based in Paris, France61
- Data center energy consultants based in New York, United States43
- Data center energy consultants based in Barcelona, Spain32
- Data center energy consultants based in Houston, United States32
- Data center energy consultants based in Toronto, Canada32
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 “data center energy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many data center energy consultants are there worldwide?
RevenueBase identified 5,883 company matches for data center energy consultants 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?
Clearesult tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most data center energy consultants?
The United States leads with 1,203 companies, followed by France (379) and Germany (364). Every data center energy consultants list by country and city is linked on this page.
Which city has the most data center energy consultants?
London leads with 66 company records, followed by Madrid (63) and Paris (62).
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 20,388 professional contacts with verified work emails tracked across these 5,883 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 11, 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.
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Company intelligence · public preview
Top 25 data center energy consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,883 matching company records for data center energy consultants worldwide, with 62,187 tracked contacts and 20,388 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data center energy consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Clearesultclearesult.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 2,206 contacts → |
“CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Amerescoameresco.comHQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,513 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  OLAola-austin.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,150 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Salutesalute.comHQ: Franklin, WI, United StatesReported employees: 1,001-5,000 | Franklin, WI, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“We provide high-end technical and professional services for the entire lifecycle of data centers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Scala Data Centersscaladatacenters.comHQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 1,028 contacts → |
“Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Willdanwilldan.comHQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Syska Hennessy Groupsyska.comHQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 835 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  RED Engineering Designred-eng.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 796 contacts → |
“RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ST Telemedia Global Data Centres Indiasttelemediagdc.comHQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 501 contacts → |
“ST Telemedia Global Data Centres India (STT GDC India) is a market-leading Data Centre Colocation services provider offering AI-Ready, carrier-neutral DC colocation services…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Hollywood, FL, United StatesReported employees: 201-500 | Hollywood, FL, United States | 201-500 | Exact match | 487 contacts → |
“NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hanley Energyhanleyenergy.comHQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 393 contacts → |
“Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TRIOtrioadvisory.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 387 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  P2sp2sinc.comHQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 381 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Greenflexgreenflex.comHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 368 contacts → |
“Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  NUS Consulting Groupnusconsulting.comHQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 360 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Pro-Matrix PTE LTDpromatrix.sgHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 348 contacts → |
“Pro-Matrix, prides on developing and designing data centers tailored to meet all our client’s business needs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Overwatchweareoverwatch.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 311 contacts → |
“Overwatch is building the workforce behind the future of AI and digital infrastructure.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cascade Energycascadeenergy.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 301 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Compass Datacenterscompassdatacenters.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 291 contacts → |
“Compass Datacenters does data centers differently.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  APL Data Centerapl-datacenter.comHQ: Montrouge, FranceReported employees: 201-500 | Montrouge, France | 201-500 | Exact match | 267 contacts → |
“Founded in 1983, APL is a Group specialised in the consultancy, engineering, construction and operation of data centers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ethos Engineeringethoseng.ieHQ: Dublin, United KingdomReported employees: 201-500 | Dublin, United Kingdom | 201-500 | Exact match | 249 contacts → |
“Ethos is a group of engineers, consultants and creative thinkers, designing and delivering data centre and energy infrastructure projects across the world's most dynamic markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Teecomteecom.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 249 contacts → |
“We make technology work in buildings.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Troy, NY, United StatesReported employees: 201-500 | Troy, NY, United States | 201-500 | Exact match | 246 contacts → |
“kW MCE, Member of WSP, is solely focused on the strategic planning, engineering design, and assessment of data centers and mission critical facilities.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Mantis Innovationmantisinnovation.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 231 contacts → |
“At Mantis Innovation, our experts provide data-driven, consultative services designed to optimize your facility, sustainability, and energy management strategies, while ultimately…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Stream Data Centersstreamdatacenters.comHQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 230 contacts → |
“Stream Data Centers has provided premium data center services since with 90% of its inventory leased to Fortune 100 customers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,883 company matches
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Data center energy consultants: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,862 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,883 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data center energy consultants by location
31 lists · largest firstEvery Data center energy consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data center energy consultants based in the United States1,203
- Data center energy consultants based in France379
- Data center energy consultants based in Germany364
- Data center energy consultants based in Spain337
- Data center energy consultants based in the United Kingdom284
- Data center energy consultants based in Italy269
- Data center energy consultants based in Canada197
- Data center energy consultants based in Brazil158
- Data center energy consultants based in India149
- Data center energy consultants based in Australia115
- Data center energy consultants based in the Netherlands107
- Data center energy consultants based in Mexico70
- Data center energy consultants based in Switzerland68
- Data center energy consultants based in Türkiye68
- Data center energy consultants based in Poland65
- Data center energy consultants based in Portugal56
- Data center energy consultants based in Belgium46
- Data center energy consultants based in Chile46
- Data center energy consultants based in South Africa43
- Data center energy consultants based in the United Arab Emirates39
- Data center energy consultants based in Ireland36
- Data center energy consultants based in Sweden34
- Data center energy consultants based in Indonesia28
- Data center energy consultants based in Norway27
Cities
- Data center energy consultants based in London, United Kingdom66
- Data center energy consultants based in Madrid, Spain63
- Data center energy consultants based in Paris, France61
- Data center energy consultants based in New York, United States43
- Data center energy consultants based in Barcelona, Spain32
- Data center energy consultants based in Houston, United States32
- Data center energy consultants based in Toronto, Canada32
Questions about this company list
What does Exact match mean for data center energy consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data center energy consultants did RevenueBase find worldwide?
The saved snapshot records 5,883 matching company records, 62,187 tracked contacts and 20,388 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 data center energy consultants worldwide. Snapshot: October 11, 2026. https://revenuebase.ai/companies/browse/data-center-energy-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 data center energy consultants worldwide
RevenueBase records 5,883 matching company records for data center energy consultants worldwide, with 62,187 tracked contacts and 20,388 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data center energy consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Clearesultclearesult.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 2,206 contacts → |
“CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Amerescoameresco.com HQ: Framingham, MA, United StatesReported employees: 1,001-5,000 | Framingham, MA, United States | 1,001-5,000 | Exact match | 1,513 contacts → |
“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | OLAola-austin.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,150 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Salutesalute.com HQ: Franklin, WI, United StatesReported employees: 1,001-5,000 | Franklin, WI, United States | 1,001-5,000 | Exact match | 1,054 contacts → |
“We provide high-end technical and professional services for the entire lifecycle of data centers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Scala Data Centersscaladatacenters.com HQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 1,028 contacts → |
“Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Willdanwilldan.com HQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Syska Hennessy Groupsyska.com HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 835 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | RED Engineering Designred-eng.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 796 contacts → |
“RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ST Telemedia Global Data Centres Indiasttelemediagdc.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 501 contacts → |
“ST Telemedia Global Data Centres India (STT GDC India) is a market-leading Data Centre Colocation services provider offering AI-Ready, carrier-neutral DC colocation services…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Hollywood, FL, United StatesReported employees: 201-500 | Hollywood, FL, United States | 201-500 | Exact match | 487 contacts → |
“NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hanley Energyhanleyenergy.com HQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 393 contacts → |
“Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TRIOtrioadvisory.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 387 contacts → |
“We are Trio – global energy and sustainability advisors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | P2sp2sinc.com HQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 381 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Greenflexgreenflex.com HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 368 contacts → |
“Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NUS Consulting Groupnusconsulting.com HQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 360 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pro-Matrix PTE LTDpromatrix.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 348 contacts → |
“Pro-Matrix, prides on developing and designing data centers tailored to meet all our client’s business needs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Overwatchweareoverwatch.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 311 contacts → |
“Overwatch is building the workforce behind the future of AI and digital infrastructure.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cascade Energycascadeenergy.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 301 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Compass Datacenterscompassdatacenters.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 291 contacts → |
“Compass Datacenters does data centers differently.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | APL Data Centerapl-datacenter.com HQ: Montrouge, FranceReported employees: 201-500 | Montrouge, France | 201-500 | Exact match | 267 contacts → |
“Founded in 1983, APL is a Group specialised in the consultancy, engineering, construction and operation of data centers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ethos Engineeringethoseng.ie HQ: Dublin, United KingdomReported employees: 201-500 | Dublin, United Kingdom | 201-500 | Exact match | 249 contacts → |
“Ethos is a group of engineers, consultants and creative thinkers, designing and delivering data centre and energy infrastructure projects across the world's most dynamic markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Teecomteecom.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 249 contacts → |
“We make technology work in buildings.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Troy, NY, United StatesReported employees: 201-500 | Troy, NY, United States | 201-500 | Exact match | 246 contacts → |
“kW MCE, Member of WSP, is solely focused on the strategic planning, engineering design, and assessment of data centers and mission critical facilities.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Mantis Innovationmantisinnovation.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 231 contacts → |
“At Mantis Innovation, our experts provide data-driven, consultative services designed to optimize your facility, sustainability, and energy management strategies, while ultimately…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Stream Data Centersstreamdatacenters.com HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 230 contacts → |
“Stream Data Centers has provided premium data center services since with 90% of its inventory leased to Fortune 100 customers.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Data center energy consultants: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,862 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,883 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data center energy consultants by location
31 lists · largest firstEvery Data center energy consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data center energy consultants based in the United States1,203
- Data center energy consultants based in France379
- Data center energy consultants based in Germany364
- Data center energy consultants based in Spain337
- Data center energy consultants based in the United Kingdom284
- Data center energy consultants based in Italy269
- Data center energy consultants based in Canada197
- Data center energy consultants based in Brazil158
- Data center energy consultants based in India149
- Data center energy consultants based in Australia115
- Data center energy consultants based in the Netherlands107
- Data center energy consultants based in Mexico70
- Data center energy consultants based in Switzerland68
- Data center energy consultants based in Türkiye68
- Data center energy consultants based in Poland65
- Data center energy consultants based in Portugal56
- Data center energy consultants based in Belgium46
- Data center energy consultants based in Chile46
- Data center energy consultants based in South Africa43
- Data center energy consultants based in the United Arab Emirates39
- Data center energy consultants based in Ireland36
- Data center energy consultants based in Sweden34
- Data center energy consultants based in Indonesia28
- Data center energy consultants based in Norway27
Cities
- Data center energy consultants based in London, United Kingdom66
- Data center energy consultants based in Madrid, Spain63
- Data center energy consultants based in Paris, France61
- Data center energy consultants based in New York, United States43
- Data center energy consultants based in Barcelona, Spain32
- Data center energy consultants based in Houston, United States32
- Data center energy consultants based in Toronto, Canada32
Questions about this company list
What does Exact match mean for data center energy consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data center energy consultants did RevenueBase find worldwide?
The saved snapshot records 5,883 matching company records, 62,187 tracked contacts and 20,388 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 data center energy consultants worldwide. Snapshot: October 11, 2026. https://revenuebase.ai/companies/browse/data-center-energy-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗