Company lists · Data refreshed September 2026
Top 25 Iso 50001 energy management consultants based in the United States
RevenueBase identified 349 company matches for iso 50001 energy management consultants associated with the United States as of September 2026 and tracks 3,131 professional contacts across them, including 1,297 with verified work emails. Houston is the largest hub.
This list covers company matches for iso 50001 energy management consultants associated with the United States, 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 September 28, 2026.
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 iso 50001 energy management consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 336 contacts → | ||||
Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 288 contacts → | ||||
Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 190 contacts → | ||||
Exact match “At Cenergistic, energy conservation starts with people.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 121 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 98 contacts → | ||||
Exact match “Environ Energy is a leader in accelerating global sustainable energy transformation for more than 30 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 95 contacts → | ||||
Exact match “Summit Energy is now Schneider Electric Energy & Sustainability Services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 72 contacts → | ||||
Exact match “CodeGreen is a leading national sustainability and energy efficiency consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 49 contacts → | ||||
Exact match “For nearly 40 years, D+R International has been the trusted energy consulting firm of leading organizations and government agencies such as the Department of Energy, Environmental…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 40 contacts → | ||||
Exact match “Founded in by career energy professionals, Competitive Energy Services, LLC (CES) has been on the forefront of energy procurement since the advent of deregulation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “US-Eco Logic / TexEnergy Solutions is a consulting firm offering services that assist developments looking to become certified as “green” and/or “energy efficient”.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 39 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “Usource works with commercial, industrial, and institutional clients to develop and deliver comprehensive energy plans and sustainability strategies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “NV5 Net Zero is a leading global energy efficiency consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match “Go Sustainable Energy (Go) is an energy consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 31 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 29 contacts → | ||||
Exact match “In 2024, Abraxas Energy Consulting became a member of the Hillmann Family of Companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 29 contacts → | ||||
Exact match “HES has extensive experience and expertise in all aspects of energy management, including energy efficiency analysis, energy master planning, alternative energy sources, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “The ISO 9001 Group is a full-service business and management system consulting, auditing and training firm based in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “The Stone House Group facilitates responsible planning and management of energy, natural and financial resources through energy management, facilities and project management…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 27 contacts → | ||||
Exact match “Evolution Sustainability Group is a full-service energy management, engineering, and sustainability consulting firm offering best in class sustainability, energy efficiency…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “Contemporary Energy Solutions is known for helping clients eliminate waste from their operations and improve their bottom line.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 22 contacts → | ||||
Exact match “Descending from the Beartooth Mountains in Yellowstone, Montana’s Stillwater River inspires all who see it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 21 contacts → | ||||
Exact match “ERS is a thought leader in energy consulting with an established reputation for innovative project development and energy assessment work for commercial and industrial energy…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “Quest Energy Group is a multi-disciplinary consulting engineering firm focused on providing energy efficient design solutions to the building industry.” Recorded in the RevenueBase company graph · Sep 28, 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 “iso 50001 energy management 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 349 iso 50001 energy management consultants based in the United States
See the full list, filter by size, metro and specialty, and access 1,297 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Iso 50001 energy management consultants based in the United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 349 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “iso 50001 energy management 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,297 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 September 28, 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.
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 “iso 50001 energy management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many iso 50001 energy management consultants are there based in the United States?
RevenueBase identified 349 company matches for iso 50001 energy management consultants associated with the United States as of September 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?
NUS Consulting Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most iso 50001 energy management consultants?
Houston leads with 20 company records, followed by New York (19) and Chicago (7).
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 1,297 professional contacts with verified work emails tracked across these 349 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 September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 349 iso 50001 energy management consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Iso 50001 energy management consultants by geography
- Iso 50001 energy management consultants based in Paris, France
- Iso 50001 energy management consultants based in Barcelona, Spain
- Iso 50001 energy management consultants based in Madrid, Spain
- Iso 50001 energy management consultants based in London, United Kingdom
- Iso 50001 energy management consultants based in Australia
- Iso 50001 energy management consultants based in Belgium
- Iso 50001 energy management consultants based in Brazil
- Iso 50001 energy management consultants based in Canada
- Iso 50001 energy management consultants based in Chile
- Iso 50001 energy management consultants based in Colombia
- Iso 50001 energy management consultants based in Czechia
- Iso 50001 energy management consultants based in France
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.
More company lists
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- Iso 50001 energy management consultants based in Paris, France
- Iso 50001 energy management consultants based in Barcelona, Spain
- Iso 50001 energy management consultants based in Madrid, Spain
- Iso 50001 energy management consultants based in London, United Kingdom
- Iso 50001 energy management consultants based in Australia
- Iso 50001 energy management consultants based in Belgium
Company intelligence · public preview
Top 25 iso 50001 energy management consultants based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 349 matching company records for iso 50001 energy management consultants based in the United States, with 3,131 tracked contacts and 1,297 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: September 28, 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 iso 50001 energy management consultants based in the United States
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 |  NUS Consulting Groupnusconsulting.comHQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 336 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cascade Energycascadeenergy.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 288 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cenergisticcenergistic.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 190 contacts → |
“At Cenergistic, energy conservation starts with people.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Michaels Energy- An Inc. 5000 Companymichaelsenergy.comHQ: La Crosse, WI, United StatesReported employees: 51-200 | La Crosse, WI, United States | 51-200 | Exact match | 121 contacts → |
“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Environ Energyenvironenergy.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 98 contacts → |
“Environ Energy is a leader in accelerating global sustainable energy transformation for more than 30 years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Summit Energysummitenergy.comHQ: Louisville, KY, United StatesReported employees: 1,001-5,000 | Louisville, KY, United States | 1,001-5,000 | Exact match | 95 contacts → |
“Summit Energy is now Schneider Electric Energy & Sustainability Services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Codegreencodegreen.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 72 contacts → |
“CodeGreen is a leading national sustainability and energy efficiency consulting firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | D R Internationaldrintl.com HQ: Mcclean, VA, United StatesReported employees: 11-50 | Mcclean, VA, United States | 11-50 | Exact match | 49 contacts → |
“For nearly 40 years, D+R International has been the trusted energy consulting firm of leading organizations and government agencies such as the Department of Energy, Environmental…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Competitive Energy Servicescompetitive-energy.comHQ: Portland, ME, United StatesReported employees: 11-50 | Portland, ME, United States | 11-50 | Exact match | 40 contacts → |
“Founded in by career energy professionals, Competitive Energy Services, LLC (CES) has been on the forefront of energy procurement since the advent of deregulation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Us-Eco Logic Texenergy Solutionsus-ecologic.com HQ: Irving, TX, United StatesReported employees: 51-200 | Irving, TX, United States | 51-200 | Exact match | 40 contacts → |
“US-Eco Logic / TexEnergy Solutions is a consulting firm offering services that assist developments looking to become certified as “green” and/or “energy efficient”.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ally Energy Solutionsally-energy.comHQ: Overland Park, KS, United StatesReported employees: 11-50 | Overland Park, KS, United States | 11-50 | Exact match | 39 contacts → |
“Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Usourceusourceenergy.com HQ: Hampton, NH, United StatesReported employees: 51-200 | Hampton, NH, United States | 51-200 | Exact match | 35 contacts → |
“Usource works with commercial, industrial, and institutional clients to develop and deliver comprehensive energy plans and sustainability strategies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nv5 NET Zeronv5.comHQ: Hollywood, FL, United StatesReported employees: 11-50 | Hollywood, FL, United States | 11-50 | Exact match | 34 contacts → |
“NV5 Net Zero is a leading global energy efficiency consultancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GO Sustainable Energy, LLCgosustainableenergy.com HQ: Worthington, OH, United StatesReported employees: 11-50 | Worthington, OH, United States | 11-50 | Exact match | 33 contacts → |
“Go Sustainable Energy (Go) is an energy consulting firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tri-State Energytrisenergy.com HQ: New Brunswick, NJ, United StatesReported employees: 11-50 | New Brunswick, NJ, United States | 11-50 | Exact match | 31 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Abraxas Energy Consultingabraxasenergy.comHQ: Atascadero, CA, United StatesReported employees: 201-500 | Atascadero, CA, United States | 201-500 | Exact match | 29 contacts → |
“In 2024, Abraxas Energy Consulting became a member of the Hillmann Family of Companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Harris Energy Solutions LLCharrisenergysolutionsllc.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 29 contacts → |
“HES has extensive experience and expertise in all aspects of energy management, including energy efficiency analysis, energy master planning, alternative energy sources, and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  The ISO 9001 Groupiso9001group.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 29 contacts → |
“The ISO 9001 Group is a full-service business and management system consulting, auditing and training firm based in Houston, Texas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Stone House Grouptheshg.com HQ: Bethlehem, PA, United StatesReported employees: 11-50 | Bethlehem, PA, United States | 11-50 | Exact match | 28 contacts → |
“The Stone House Group facilitates responsible planning and management of energy, natural and financial resources through energy management, facilities and project management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Evolution Sustainability Groupevolutionsg.com HQ: Exton, PA, United StatesReported employees: 11-50 | Exton, PA, United States | 11-50 | Exact match | 27 contacts → |
“Evolution Sustainability Group is a full-service energy management, engineering, and sustainability consulting firm offering best in class sustainability, energy efficiency…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Contemporary Energy Solutions LLCces-na.com HQ: Manitowoc, WI, United StatesReported employees: 11-50 | Manitowoc, WI, United States | 11-50 | Exact match | 27 contacts → |
“Contemporary Energy Solutions is known for helping clients eliminate waste from their operations and improve their bottom line.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Stillwater Energystillwaterenergy.comHQ: Portland, OR, United StatesReported employees: 1-10 | Portland, OR, United States | 1-10 | Exact match | 22 contacts → |
“Descending from the Beartooth Mountains in Yellowstone, Montana’s Stillwater River inspires all who see it.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Energy And Resource Solutionsers-inc.com HQ: North Andover, MA, United StatesReported employees: 51-200 | North Andover, MA, United States | 51-200 | Exact match | 21 contacts → |
“ERS is a thought leader in energy consulting with an established reputation for innovative project development and energy assessment work for commercial and industrial energy…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  HOS Resources, LLChosresources.comHQ: Lafayette, United StatesReported employees: 11-50 | Lafayette, United States | 11-50 | Exact match | 20 contacts → |
“HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Quest Energy Groupquestenergy.comHQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 19 contacts → |
“Quest Energy Group is a multi-disciplinary consulting engineering firm focused on providing energy efficient design solutions to the building industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 349 company matches
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Iso 50001 energy management consultants: dataset insights
September 28, 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
348 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 349 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for iso 50001 energy management 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 iso 50001 energy management consultants did RevenueBase find based in the United States?
The saved snapshot records 349 matching company records, 3,131 tracked contacts and 1,297 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: September 28, 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.
Related lists
Iso 50001 energy management consultants by geography
- Iso 50001 energy management consultants based in Paris, France
- Iso 50001 energy management consultants based in Barcelona, Spain
- Iso 50001 energy management consultants based in Madrid, Spain
- Iso 50001 energy management consultants based in London, United Kingdom
- Iso 50001 energy management consultants based in Australia
- Iso 50001 energy management consultants based in Belgium
- Iso 50001 energy management consultants based in Brazil
- Iso 50001 energy management consultants based in Canada
- Iso 50001 energy management consultants based in Chile
- Iso 50001 energy management consultants based in Colombia
- Iso 50001 energy management consultants based in Czechia
- Iso 50001 energy management consultants based in France
Cite this list
RevenueBase Data Team. Top 25 iso 50001 energy management consultants based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/iso-50001-energy-management-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Iso 50001 energy management consultants based in Paris, France
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- Iso 50001 energy management consultants based in Madrid, Spain
- Iso 50001 energy management consultants based in London, United Kingdom
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- Iso 50001 energy management consultants based in Belgium
Company intelligence · public preview
Top 25 iso 50001 energy management consultants based in the United States
RevenueBase records 349 matching company records for iso 50001 energy management consultants based in the United States, with 3,131 tracked contacts and 1,297 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: September 28, 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 iso 50001 energy management consultants based in the United States
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 | NUS Consulting Groupnusconsulting.com HQ: Park Ridge, NJ, United StatesReported employees: 201-500 | Park Ridge, NJ, United States | 201-500 | Exact match | 336 contacts → |
“National Utility Service, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cascade Energycascadeenergy.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 288 contacts → |
“At Cascade Energy, we believe in better.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cenergisticcenergistic.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 190 contacts → |
“At Cenergistic, energy conservation starts with people.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Michaels Energy- An Inc. 5000 Companymichaelsenergy.com HQ: La Crosse, WI, United StatesReported employees: 51-200 | La Crosse, WI, United States | 51-200 | Exact match | 121 contacts → |
“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Environ Energyenvironenergy.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 98 contacts → |
“Environ Energy is a leader in accelerating global sustainable energy transformation for more than 30 years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Summit Energysummitenergy.com HQ: Louisville, KY, United StatesReported employees: 1,001-5,000 | Louisville, KY, United States | 1,001-5,000 | Exact match | 95 contacts → |
“Summit Energy is now Schneider Electric Energy & Sustainability Services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Codegreencodegreen.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 72 contacts → |
“CodeGreen is a leading national sustainability and energy efficiency consulting firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | D R Internationaldrintl.com HQ: Mcclean, VA, United StatesReported employees: 11-50 | Mcclean, VA, United States | 11-50 | Exact match | 49 contacts → |
“For nearly 40 years, D+R International has been the trusted energy consulting firm of leading organizations and government agencies such as the Department of Energy, Environmental…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Competitive Energy Servicescompetitive-energy.com HQ: Portland, ME, United StatesReported employees: 11-50 | Portland, ME, United States | 11-50 | Exact match | 40 contacts → |
“Founded in by career energy professionals, Competitive Energy Services, LLC (CES) has been on the forefront of energy procurement since the advent of deregulation.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Us-Eco Logic Texenergy Solutionsus-ecologic.com HQ: Irving, TX, United StatesReported employees: 51-200 | Irving, TX, United States | 51-200 | Exact match | 40 contacts → |
“US-Eco Logic / TexEnergy Solutions is a consulting firm offering services that assist developments looking to become certified as “green” and/or “energy efficient”.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ally Energy Solutionsally-energy.com HQ: Overland Park, KS, United StatesReported employees: 11-50 | Overland Park, KS, United States | 11-50 | Exact match | 39 contacts → |
“Ally Energy Solutions provides turnkey energy services primarily for companies in the food & beverage, industrial, and logistics industries.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Usourceusourceenergy.com HQ: Hampton, NH, United StatesReported employees: 51-200 | Hampton, NH, United States | 51-200 | Exact match | 35 contacts → |
“Usource works with commercial, industrial, and institutional clients to develop and deliver comprehensive energy plans and sustainability strategies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nv5 NET Zeronv5.com HQ: Hollywood, FL, United StatesReported employees: 11-50 | Hollywood, FL, United States | 11-50 | Exact match | 34 contacts → |
“NV5 Net Zero is a leading global energy efficiency consultancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GO Sustainable Energy, LLCgosustainableenergy.com HQ: Worthington, OH, United StatesReported employees: 11-50 | Worthington, OH, United States | 11-50 | Exact match | 33 contacts → |
“Go Sustainable Energy (Go) is an energy consulting firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tri-State Energytrisenergy.com HQ: New Brunswick, NJ, United StatesReported employees: 11-50 | New Brunswick, NJ, United States | 11-50 | Exact match | 31 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Abraxas Energy Consultingabraxasenergy.com HQ: Atascadero, CA, United StatesReported employees: 201-500 | Atascadero, CA, United States | 201-500 | Exact match | 29 contacts → |
“In 2024, Abraxas Energy Consulting became a member of the Hillmann Family of Companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Harris Energy Solutions LLCharrisenergysolutionsllc.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 29 contacts → |
“HES has extensive experience and expertise in all aspects of energy management, including energy efficiency analysis, energy master planning, alternative energy sources, and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The ISO 9001 Groupiso9001group.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 29 contacts → |
“The ISO 9001 Group is a full-service business and management system consulting, auditing and training firm based in Houston, Texas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Stone House Grouptheshg.com HQ: Bethlehem, PA, United StatesReported employees: 11-50 | Bethlehem, PA, United States | 11-50 | Exact match | 28 contacts → |
“The Stone House Group facilitates responsible planning and management of energy, natural and financial resources through energy management, facilities and project management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Evolution Sustainability Groupevolutionsg.com HQ: Exton, PA, United StatesReported employees: 11-50 | Exton, PA, United States | 11-50 | Exact match | 27 contacts → |
“Evolution Sustainability Group is a full-service energy management, engineering, and sustainability consulting firm offering best in class sustainability, energy efficiency…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Contemporary Energy Solutions LLCces-na.com HQ: Manitowoc, WI, United StatesReported employees: 11-50 | Manitowoc, WI, United States | 11-50 | Exact match | 27 contacts → |
“Contemporary Energy Solutions is known for helping clients eliminate waste from their operations and improve their bottom line.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Stillwater Energystillwaterenergy.com HQ: Portland, OR, United StatesReported employees: 1-10 | Portland, OR, United States | 1-10 | Exact match | 22 contacts → |
“Descending from the Beartooth Mountains in Yellowstone, Montana’s Stillwater River inspires all who see it.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Energy And Resource Solutionsers-inc.com HQ: North Andover, MA, United StatesReported employees: 51-200 | North Andover, MA, United States | 51-200 | Exact match | 21 contacts → |
“ERS is a thought leader in energy consulting with an established reputation for innovative project development and energy assessment work for commercial and industrial energy…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HOS Resources, LLChosresources.com HQ: Lafayette, United StatesReported employees: 11-50 | Lafayette, United States | 11-50 | Exact match | 20 contacts → |
“HOS Resources is a Lafayette, Louisiana-based energy consulting company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Quest Energy Groupquestenergy.com HQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 19 contacts → |
“Quest Energy Group is a multi-disciplinary consulting engineering firm focused on providing energy efficient design solutions to the building industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 349 company matches
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Iso 50001 energy management consultants: dataset insights
September 28, 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
348 records in the displayed employee bands.
1 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 349 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for iso 50001 energy management 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 iso 50001 energy management consultants did RevenueBase find based in the United States?
The saved snapshot records 349 matching company records, 3,131 tracked contacts and 1,297 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: September 28, 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 iso 50001 energy management consultants based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/iso-50001-energy-management-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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