Company lists · Data refreshed October 2026
Top 25 Energy star contractors worldwide
RevenueBase identified 3,674 company matches for energy star contractors worldwide as of October 2026 and tracks 32,560 professional contacts across them, including 9,646 with verified work emails. The United States is the largest market and Madrid the largest hub.
This list covers company matches for energy star contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026. Country and city lists for energy star contractors 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 energy star contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,293 contacts → | ||||
Exact match “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 1,134 contacts → | ||||
Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 789 contacts → | ||||
Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 479 contacts → | ||||
Exact match “NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 392 contacts → | ||||
Exact match “ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 369 contacts → | ||||
Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 248 contacts → | ||||
Exact match “Lime Energy is building a new energy future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 233 contacts → | ||||
Exact match “Energy & Contracting Solutions (ECS) is one of Egypt’s leading players in sustainable energy and contracting solutions, developing a solid track record of over 350 projects…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 231 contacts → | ||||
Exact match “Wolf River Electric is a leading electrical and solar installation company established in 2014.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 228 contacts → | ||||
Exact match “Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 213 contacts → | ||||
Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 206 contacts → | ||||
Exact match “Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 204 contacts → | ||||
Exact match “Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 177 contacts → | ||||
Exact match “Headquartered in Harrisburg, Pennsylvania, McClure Company is one of the mid-Atlantic's largest, fully integrated mechanical construction, engineering, maintenance and energy…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 175 contacts → | ||||
Exact match “Agtherm est une PME indépendante dont l'activité dans le domaine du génie climatique et de la performance énergétique, vous assure la sécurité et la qualité de ses interventions…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 168 contacts → | ||||
Exact match “Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 154 contacts → | ||||
Exact match “All Energy Solar is a trusted leader in the solar energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 134 contacts → | ||||
Exact match “GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 129 contacts → | ||||
Exact match “Resalta is a leading European energy service company (ESCO) helping organizations reduce costs, lower emissions, and optimize energy use.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 129 contacts → | ||||
Exact match “Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 124 contacts → | ||||
Exact match “Suntria is the deployment engine of EverPower.AI.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 120 contacts → | ||||
Exact match “Schwob Energy Services is a General Construction Contractor that is consistently recognized for our use of proven world class construction methods in building energy related…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 115 contacts → | ||||
Exact match “Total Comfort Solutions is a part of the Linc Service network of contractors that understands the modern challenges our clients face with shrinking resources and keeping aging…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 113 contacts → | ||||
Exact match “We excel as strategic partners in the design, installation and service of energy and infrastructure.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 109 contacts → | ||||
Exact match “Correct Contract Services (CCS) is a trusted main contractor for compliance and energy services, expertly serving social housing landlords across the UK.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “energy star contractors”. 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 3,674 energy star contractors worldwide
See the full list, filter by size, metro and specialty, and access 9,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy star contractors worldwide at a glance
As of Oct 12, 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 energy star contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “energy star contractors” 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 9,646 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Energy star contractors by location
13 lists · largest firstEvery Energy star contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy star contractors based in the United States1,091
- Energy star contractors based in France247
- Energy star contractors based in Italy241
- Energy star contractors based in Spain177
- Energy star contractors based in the United Kingdom172
- Energy star contractors based in the Netherlands164
- Energy star contractors based in Australia130
- Energy star contractors based in Canada126
- Energy star contractors based in Brazil100
- Energy star contractors based in India91
- Energy star contractors based in Germany54
- Energy star contractors based in Belgium47
- Energy star contractors based in Ireland31
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy star contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy star contractors are there worldwide?
RevenueBase identified 3,674 company matches for energy star contractors 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?
Mckinstry tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most energy star contractors?
The United States leads with 1,091 companies, followed by France (247) and Italy (241). Every energy star contractors list by country and city is linked on this page.
Which city has the most energy star contractors?
Madrid leads with 19 company records, followed by Rome (16) and New York (15).
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 9,646 professional contacts with verified work emails tracked across these 3,674 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,674 energy star contractors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 energy star contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,674 matching company records for energy star contractors worldwide, with 32,560 tracked contacts and 9,646 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 12, 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 energy star contractors 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 | HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 2,293 contacts → |
“We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 1,134 contacts → |
“GK er en ledende teknisk entreprenør og servicepartner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 789 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Westborough, MA, United StatesReported employees: 201-500 | Westborough, MA, United States | 201-500 | Exact match | 479 contacts → |
“NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 392 contacts → |
“ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 369 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Newark, NJ, United StatesReported employees: 201-500 | Newark, NJ, United States | 201-500 | Exact match | 248 contacts → |
“Lime Energy is building a new energy future.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ECSecseg.com HQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 233 contacts → |
“Energy & Contracting Solutions (ECS) is one of Egypt’s leading players in sustainable energy and contracting solutions, developing a solid track record of over 350 projects…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wolf River Electricwolfriverelectric.com HQ: Isanti, MN, United StatesReported employees: 201-500 | Isanti, MN, United States | 201-500 | Exact match | 231 contacts → |
“Wolf River Electric is a leading electrical and solar installation company established in 2014.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 228 contacts → |
“Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Beverly, MA, United StatesReported employees: 201-500 | Beverly, MA, United States | 201-500 | Exact match | 213 contacts → |
“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Moncton, NB, CanadaReported employees: 501-1,000 | Moncton, NB, Canada | 501-1,000 | Exact match | 206 contacts → |
“Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Jaipur, IndiaReported employees: 51-200 | Jaipur, India | 51-200 | Exact match | 204 contacts → |
“Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 177 contacts → |
“Headquartered in Harrisburg, Pennsylvania, McClure Company is one of the mid-Atlantic's largest, fully integrated mechanical construction, engineering, maintenance and energy…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Colomiers, FranceReported employees: 51-200 | Colomiers, France | 51-200 | Exact match | 175 contacts → |
“Agtherm est une PME indépendante dont l'activité dans le domaine du génie climatique et de la performance énergétique, vous assure la sécurité et la qualité de ses interventions…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dania Beach, FL, United StatesReported employees: 201-500 | Dania Beach, FL, United States | 201-500 | Exact match | 168 contacts → |
“Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: St. Paul, MN, United StatesReported employees: 51-200 | St. Paul, MN, United States | 51-200 | Exact match | 154 contacts → |
“All Energy Solar is a trusted leader in the solar energy industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GLB Genossenschaftglb.ch HQ: Langnau, SwitzerlandReported employees: 501-1,000 | Langnau, Switzerland | 501-1,000 | Exact match | 134 contacts → |
“GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Ljubljana, SloveniaReported employees: 51-200 | Ljubljana, Slovenia | 51-200 | Exact match | 129 contacts → |
“Resalta is a leading European energy service company (ESCO) helping organizations reduce costs, lower emissions, and optimize energy use.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 129 contacts → |
“Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 124 contacts → |
“Suntria is the deployment engine of EverPower.AI.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 120 contacts → |
“Schwob Energy Services is a General Construction Contractor that is consistently recognized for our use of proven world class construction methods in building energy related…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Total Comfort Solutionstotalcomfortsolutions.com HQ: West Columbia, SC, United StatesReported employees: 51-200 | West Columbia, SC, United States | 51-200 | Exact match | 115 contacts → |
“Total Comfort Solutions is a part of the Linc Service network of contractors that understands the modern challenges our clients face with shrinking resources and keeping aging…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gregory Electric Company, INCgregoryelectric.com HQ: Columbia, SC, United StatesReported employees: 201-500 | Columbia, SC, United States | 201-500 | Exact match | 113 contacts → |
“We excel as strategic partners in the design, installation and service of energy and infrastructure.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Correct Contract Services CCScorrectcs.co.uk HQ: Andover, United KingdomReported employees: 201-500 | Andover, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Correct Contract Services (CCS) is a trusted main contractor for compliance and energy services, expertly serving social housing landlords across the UK.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,674 company matches
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Energy star contractors: dataset insights
October 12, 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
3,655 records in the displayed employee bands.
19 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 3,674 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 12, 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 ↗
Energy star contractors by location
13 lists · largest firstEvery Energy star contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy star contractors based in the United States1,091
- Energy star contractors based in France247
- Energy star contractors based in Italy241
- Energy star contractors based in Spain177
- Energy star contractors based in the United Kingdom172
- Energy star contractors based in the Netherlands164
- Energy star contractors based in Australia130
- Energy star contractors based in Canada126
- Energy star contractors based in Brazil100
- Energy star contractors based in India91
- Energy star contractors based in Germany54
- Energy star contractors based in Belgium47
- Energy star contractors based in Ireland31
Questions about this company list
What does Exact match mean for energy star contractors?
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 energy star contractors did RevenueBase find worldwide?
The saved snapshot records 3,674 matching company records, 32,560 tracked contacts and 9,646 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 12, 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
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Cite this list
RevenueBase Data Team. Top 25 energy star contractors worldwide. Snapshot: October 12, 2026. https://revenuebase.ai/companies/browse/energy-star-contractors.
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 energy star contractors worldwide
RevenueBase records 3,674 matching company records for energy star contractors worldwide, with 32,560 tracked contacts and 9,646 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 12, 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 energy star contractors 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 | HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 2,293 contacts → |
“We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 1,134 contacts → |
“GK er en ledende teknisk entreprenør og servicepartner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 789 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Westborough, MA, United StatesReported employees: 201-500 | Westborough, MA, United States | 201-500 | Exact match | 479 contacts → |
“NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 392 contacts → |
“ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 369 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Newark, NJ, United StatesReported employees: 201-500 | Newark, NJ, United States | 201-500 | Exact match | 248 contacts → |
“Lime Energy is building a new energy future.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ECSecseg.com HQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 233 contacts → |
“Energy & Contracting Solutions (ECS) is one of Egypt’s leading players in sustainable energy and contracting solutions, developing a solid track record of over 350 projects…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wolf River Electricwolfriverelectric.com HQ: Isanti, MN, United StatesReported employees: 201-500 | Isanti, MN, United States | 201-500 | Exact match | 231 contacts → |
“Wolf River Electric is a leading electrical and solar installation company established in 2014.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 228 contacts → |
“Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Beverly, MA, United StatesReported employees: 201-500 | Beverly, MA, United States | 201-500 | Exact match | 213 contacts → |
“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Moncton, NB, CanadaReported employees: 501-1,000 | Moncton, NB, Canada | 501-1,000 | Exact match | 206 contacts → |
“Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Jaipur, IndiaReported employees: 51-200 | Jaipur, India | 51-200 | Exact match | 204 contacts → |
“Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 177 contacts → |
“Headquartered in Harrisburg, Pennsylvania, McClure Company is one of the mid-Atlantic's largest, fully integrated mechanical construction, engineering, maintenance and energy…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Colomiers, FranceReported employees: 51-200 | Colomiers, France | 51-200 | Exact match | 175 contacts → |
“Agtherm est une PME indépendante dont l'activité dans le domaine du génie climatique et de la performance énergétique, vous assure la sécurité et la qualité de ses interventions…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dania Beach, FL, United StatesReported employees: 201-500 | Dania Beach, FL, United States | 201-500 | Exact match | 168 contacts → |
“Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: St. Paul, MN, United StatesReported employees: 51-200 | St. Paul, MN, United States | 51-200 | Exact match | 154 contacts → |
“All Energy Solar is a trusted leader in the solar energy industry.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GLB Genossenschaftglb.ch HQ: Langnau, SwitzerlandReported employees: 501-1,000 | Langnau, Switzerland | 501-1,000 | Exact match | 134 contacts → |
“GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Ljubljana, SloveniaReported employees: 51-200 | Ljubljana, Slovenia | 51-200 | Exact match | 129 contacts → |
“Resalta is a leading European energy service company (ESCO) helping organizations reduce costs, lower emissions, and optimize energy use.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 129 contacts → |
“Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Phoenix, AZ, United StatesReported employees: 51-200 | Phoenix, AZ, United States | 51-200 | Exact match | 124 contacts → |
“Suntria is the deployment engine of EverPower.AI.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 120 contacts → |
“Schwob Energy Services is a General Construction Contractor that is consistently recognized for our use of proven world class construction methods in building energy related…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Total Comfort Solutionstotalcomfortsolutions.com HQ: West Columbia, SC, United StatesReported employees: 51-200 | West Columbia, SC, United States | 51-200 | Exact match | 115 contacts → |
“Total Comfort Solutions is a part of the Linc Service network of contractors that understands the modern challenges our clients face with shrinking resources and keeping aging…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gregory Electric Company, INCgregoryelectric.com HQ: Columbia, SC, United StatesReported employees: 201-500 | Columbia, SC, United States | 201-500 | Exact match | 113 contacts → |
“We excel as strategic partners in the design, installation and service of energy and infrastructure.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Correct Contract Services CCScorrectcs.co.uk HQ: Andover, United KingdomReported employees: 201-500 | Andover, United Kingdom | 201-500 | Exact match | 109 contacts → |
“Correct Contract Services (CCS) is a trusted main contractor for compliance and energy services, expertly serving social housing landlords across the UK.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,674 company matches
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Energy star contractors: dataset insights
October 12, 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
3,655 records in the displayed employee bands.
19 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 3,674 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 12, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Energy star contractors by location
13 lists · largest firstEvery Energy star contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy star contractors based in the United States1,091
- Energy star contractors based in France247
- Energy star contractors based in Italy241
- Energy star contractors based in Spain177
- Energy star contractors based in the United Kingdom172
- Energy star contractors based in the Netherlands164
- Energy star contractors based in Australia130
- Energy star contractors based in Canada126
- Energy star contractors based in Brazil100
- Energy star contractors based in India91
- Energy star contractors based in Germany54
- Energy star contractors based in Belgium47
- Energy star contractors based in Ireland31
Questions about this company list
What does Exact match mean for energy star contractors?
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 energy star contractors did RevenueBase find worldwide?
The saved snapshot records 3,674 matching company records, 32,560 tracked contacts and 9,646 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 12, 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
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Cite this list
RevenueBase Data Team. Top 25 energy star contractors worldwide. Snapshot: October 12, 2026. https://revenuebase.ai/companies/browse/energy-star-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗