Company lists · Data refreshed September 2026
Top 10 Energy efficiency companies based in Chicago, United States
RevenueBase identified 30 company matches for energy efficiency companies associated with Chicago, United States as of September 2026 and tracks 265 professional contacts across them, including 89 with verified work emails. Across the United States, New York is the largest hub for this category (93 companies); Chicago has 30.
This list covers company matches for energy efficiency companies associated with Chicago, 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 15, 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 10 largest energy efficiency companies based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 96 contacts → | ||||
Exact match “Register Your Interest: https://navigatepower.pinpointhq.com/register-your-interest/new Navigate Power is a leading electricity and natural gas consulting firm, headquartered in…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 2 | 30 contacts → | ||||
Exact match “National Retrofitting Group provides sustainability consulting along with a variety of energy retrofitting services to help our customers save money on their energy bills while…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 3 | 28 contacts → | ||||
Exact match “We collaborate with you to develop a comprehensive facility optimization program, blending our engineering expertise with practical field experience and advanced technology.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 4 | 19 contacts → | ||||
Exact match “Verde has a simple purpose - to save Chicago businesses and non profits energy and money.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 5 | 16 contacts → | ||||
Exact match “360 Energy Group is an energy consulting firm that provides comprehensive energy solutions to the public and private sectors in the United States and worldwide, including energy…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 6 | 7 contacts → | ||||
Exact match “Option One Energy provides modern energy solutions for businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “Inova Energy Group is a certified WBE offering management consulting, strategic planning, and project delivery solutions in the areas of energy and sustainability.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “E4 LLC is a trusted advisor to C&I and municipal clients navigating the evolving clean energy landscape.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “Global Energy is a WBE Chicago-based Energy Management Firm with 15 years serving the Energy needs of commercial clients throughout Illinois and seven other US states.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase | |||||
| 10 | 1 contacts → | ||||
Exact match “Our clients reduce their energy bills by 5-10% for low or NO cost!” BIN Physics is a leading mechanical engineering and energy efficiency firm, specializing in providing…” Recorded in the RevenueBase company graph · Sep 15, 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 efficiency companies”. 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 10 of 30 energy efficiency companies based in Chicago, United States
See the full list, filter by size, metro and specialty, and access 89 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Energy efficiency companies based in Chicago, United States at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 30 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 Chicago, United States whose business descriptions match “energy efficiency companies” 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 89 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 15, 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 efficiency companies by metro in the United States
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 efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency companies are there based in Chicago, United States?
RevenueBase identified 30 company matches for energy efficiency companies associated with Chicago, 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?
Navigate Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most energy efficiency companies?
New York leads the United States with 93 company records, followed by Houston (71) and Atlanta (40). Chicago has 30.
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 89 professional contacts with verified work emails tracked across these 30 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 15, 2026.
Ready to reach these companies? Verified emails and direct dials for all 30 energy efficiency companies based in Chicago, United States. Start with a free account, no credit card.
Download this list →Related lists
Energy efficiency companies by geography
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain
- Energy efficiency companies based in Madrid, Spain
- Energy efficiency companies based in Valencia, Spain
- Energy efficiency companies based in Atlanta, United States
- Energy efficiency companies based in Austin, United States
- Energy efficiency companies based in Dallas, United States
- Energy efficiency companies based in Denver, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain
Company intelligence · public preview
Top 10 energy efficiency companies based in Chicago, 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 30 matching company records for energy efficiency companies based in Chicago, United States, with 265 tracked contacts and 89 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 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 10 energy efficiency companies based in Chicago, 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 |  Navigate Powernavigatepower.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 96 contacts → |
“Register Your Interest: https://navigatepower.pinpointhq.com/register-your-interest/new Navigate Power is a leading electricity and natural gas consulting firm, headquartered in…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  National Retrofitting Group, LLCnrgllc.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 30 contacts → |
“National Retrofitting Group provides sustainability consulting along with a variety of energy retrofitting services to help our customers save money on their energy bills while…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Aero Performance Groupaeropg.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 28 contacts → |
“We collaborate with you to develop a comprehensive facility optimization program, blending our engineering expertise with practical field experience and advanced technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Verde Energy Efficiency Expertsverde.expertHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 19 contacts → |
“Verde has a simple purpose - to save Chicago businesses and non profits energy and money.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  360 Energy Group360eg.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 16 contacts → |
“360 Energy Group is an energy consulting firm that provides comprehensive energy solutions to the public and private sectors in the United States and worldwide, including energy…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Option ONE Energyoptiononeenergy.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 7 contacts → |
“Option One Energy provides modern energy solutions for businesses of all sizes.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Inova Energy Groupinovaenergygroup.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 7 contacts → |
“Inova Energy Group is a certified WBE offering management consulting, strategic planning, and project delivery solutions in the areas of energy and sustainability.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  E4, LLCe4.ecoHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 5 contacts → |
“E4 LLC is a trusted advisor to C&I and municipal clients navigating the evolving clean energy landscape.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Global Energy Enterprises, LLCglobalenergy.netHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“Global Energy is a WBE Chicago-based Energy Management Firm with 15 years serving the Energy needs of commercial clients throughout Illinois and seven other US states.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  BIN Physicsbinphysics.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
“Our clients reduce their energy bills by 5-10% for low or NO cost!” BIN Physics is a leading mechanical engineering and energy efficiency firm, specializing in providing…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 30 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Energy efficiency companies: dataset insights
September 15, 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
30 records in the displayed employee bands.
0 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 United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 30 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 15, 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 efficiency companies by metro in the United States
Questions about this company list
What does Exact match mean for energy efficiency companies?
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 efficiency companies did RevenueBase find based in Chicago, United States?
The saved snapshot records 30 matching company records, 265 tracked contacts and 89 verified emails. The public preview displays 10 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 15, 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
Energy efficiency companies by geography
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain
- Energy efficiency companies based in Madrid, Spain
- Energy efficiency companies based in Valencia, Spain
- Energy efficiency companies based in Atlanta, United States
- Energy efficiency companies based in Austin, United States
- Energy efficiency companies based in Dallas, United States
- Energy efficiency companies based in Denver, United States
Cite this list
RevenueBase Data Team. Top 10 energy efficiency companies based in Chicago, United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/energy-efficiency-companies/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain
Company intelligence · public preview
Top 10 energy efficiency companies based in Chicago, United States
RevenueBase records 30 matching company records for energy efficiency companies based in Chicago, United States, with 265 tracked contacts and 89 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 15, 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 10 energy efficiency companies based in Chicago, 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 | Navigate Powernavigatepower.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 96 contacts → |
“Register Your Interest: https://navigatepower.pinpointhq.com/register-your-interest/new Navigate Power is a leading electricity and natural gas consulting firm, headquartered in…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | National Retrofitting Group, LLCnrgllc.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 30 contacts → |
“National Retrofitting Group provides sustainability consulting along with a variety of energy retrofitting services to help our customers save money on their energy bills while…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Aero Performance Groupaeropg.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 28 contacts → |
“We collaborate with you to develop a comprehensive facility optimization program, blending our engineering expertise with practical field experience and advanced technology.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Verde Energy Efficiency Expertsverde.expert HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 19 contacts → |
“Verde has a simple purpose - to save Chicago businesses and non profits energy and money.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 360 Energy Group360eg.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 16 contacts → |
“360 Energy Group is an energy consulting firm that provides comprehensive energy solutions to the public and private sectors in the United States and worldwide, including energy…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Option ONE Energyoptiononeenergy.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 7 contacts → |
“Option One Energy provides modern energy solutions for businesses of all sizes.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Inova Energy Groupinovaenergygroup.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 7 contacts → |
“Inova Energy Group is a certified WBE offering management consulting, strategic planning, and project delivery solutions in the areas of energy and sustainability.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | E4, LLCe4.eco HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 5 contacts → |
“E4 LLC is a trusted advisor to C&I and municipal clients navigating the evolving clean energy landscape.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Global Energy Enterprises, LLCglobalenergy.net HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“Global Energy is a WBE Chicago-based Energy Management Firm with 15 years serving the Energy needs of commercial clients throughout Illinois and seven other US states.” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | BIN Physicsbinphysics.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
“Our clients reduce their energy bills by 5-10% for low or NO cost!” BIN Physics is a leading mechanical engineering and energy efficiency firm, specializing in providing…” Recorded description excerpt · September 15, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 30 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Energy efficiency companies: dataset insights
September 15, 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
30 records in the displayed employee bands.
0 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 United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 30 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 15, 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 efficiency companies by metro in the United States
Questions about this company list
What does Exact match mean for energy efficiency companies?
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 efficiency companies did RevenueBase find based in Chicago, United States?
The saved snapshot records 30 matching company records, 265 tracked contacts and 89 verified emails. The public preview displays 10 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 15, 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
Energy efficiency companies by geography
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain
- Energy efficiency companies based in Madrid, Spain
- Energy efficiency companies based in Valencia, Spain
- Energy efficiency companies based in Atlanta, United States
- Energy efficiency companies based in Austin, United States
- Energy efficiency companies based in Dallas, United States
- Energy efficiency companies based in Denver, United States
Cite this list
RevenueBase Data Team. Top 10 energy efficiency companies based in Chicago, United States. Snapshot: September 15, 2026. https://revenuebase.ai/companies/energy-efficiency-companies/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency companies based in Rio De Janeiro, Brazil
- Energy efficiency companies based in Sao Paulo, Brazil
- Energy efficiency companies based in Milan, Italy
- Energy efficiency companies based in Rome, Italy
- Energy efficiency companies based in Turin, Italy
- Energy efficiency companies based in Barcelona, Spain