Company lists · Data refreshed September 2026
Top 20 Clean energy contractors based in Washington, United States
RevenueBase identified 35 company matches for clean energy contractors associated with Washington, United States as of September 2026 and tracks 422 professional contacts across them, including 216 with verified work emails. Across the United States, New York is the largest hub for this category (119 companies); Washington has 35.
This list covers company matches for clean energy contractors associated with Washington, 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 21, 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 20 largest clean energy contractors based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 189 contacts → | ||||
Exact match “Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 43 contacts → | ||||
Exact match “Solar Solution, based in Washington D.C, was founded in 2008 and has grown to become one of the largest solar PV installers and developers in the region.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 41 contacts → | ||||
Exact match “New Columbia Solar (NCS) is a full-service solar energy company, based in and serving the District of Columbia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 19 contacts → | ||||
Exact match “Uprise Solar and Roofing is a Washington, DC–based solar and roofing company serving DC, Maryland, and Northern Virginia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match “Ipsun Solar, a Civic Renewables Company, is a leader in clean energy services based in Virginia, Washington D.C.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “Sustainable You is a national strategic consulting firm in solar and sustainability serving residential and small commercial clients with a focus in the DC, Maryland and Virginia…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “Greenscape Energy is the fastest-growing green solutions provider in the Region As a group of highly-trained professionals, the Greenscape team stands ready to meet the needs of…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Distributed Sun LLC (DSUN) is a renewable energy services provider founded in 2009.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “Adaptive Green designs, installs and maintains green building components such as green roofs, solar panels, green walls and sustainable water management systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “Lightbox Energy is an energy and sustainability program management firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “BAITCO is a U.S-based Prime Systems Integrator delivering advanced energy, infrastructure, and intelligent technology solutions for mission-critical commercial, institutional, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Renewable Energy Solutions for Remote and Developing Countries” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “New Partners Community Solar is a 501(c)(3) non-profit organization, dedicated to clean energy and environmental justice.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Pipe Solar simplifies the process of PV design, proposal generation, and integrated financing to provide a robust point-of-sale experience for solar customers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “At Smartr Solar, our mission is "to make the money-saving benefits of solar power accessible to tenants by making solar power a great investment for their landlords." True to our…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Evergreen Energy Investments is a dynamic energy company headquartered in Washington, DC.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “The Clean Energy DC Act, passed in December 2018, is the nation’s first 100% renewal energy bill and the most aggressive, fastest-acting climate change legislation in the country.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Flywheel Development was founded in 2014 and is a leading sustainable urban design and development company in the Washington DC region.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Introducing United Trust Energy Alliance, your trusted partner in obtaining funding and home improvement through our innovative Solar Program.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Point Energy is a highly specialized and agile end-to-end strategic consultancy and operator in all aspects of the renewable energy industry.” Recorded in the RevenueBase company graph · Sep 21, 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 “clean energy 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 20 of 35 clean energy contractors based in Washington, United States
See the full list, filter by size, metro and specialty, and access 216 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean energy contractors based in Washington, United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 35 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 Washington, United States whose business descriptions match “clean energy 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. 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 216 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 21, 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.
Clean energy contractors by metro in the United States
- Clean energy contractors in New York119
- Clean energy contractors in Houston109
- Clean energy contractors in San Diego103
- Clean energy contractors in Austin80
- Clean energy contractors in Los Angeles80
- Clean energy contractors in Dallas76
- Clean energy contractors in Chicago65
- Clean energy contractors in Denver63
- Clean energy contractors in Miami62
- Clean energy contractors in San Francisco60
- Clean energy contractors in Phoenix56
- Clean energy contractors in Orlando55
- Clean energy contractors in Las Vegas52
- Clean energy contractors in Atlanta45
- Clean energy contractors in Irvine43
- Clean energy contractors in Tampa43
- Clean energy contractors in San Antonio42
- Clean energy contractors in Portland32
- Clean energy contractors in Scottsdale32
- Clean energy contractors in Boston31
- Clean energy contractors in Charlotte31
- Clean energy contractors in San Jose29
- Clean energy contractors in Oakland27
- Clean energy contractors in Sacramento27
- Clean energy contractors in Boulder26
- Clean energy contractors in Fort Worth26
- Clean energy contractors in Fresno26
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 “clean energy contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean energy contractors are there based in Washington, United States?
RevenueBase identified 35 company matches for clean energy contractors associated with Washington, 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?
SOL Systems 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 clean energy contractors?
New York leads the United States with 119 company records, followed by Houston (109) and San Diego (103). Washington has 35.
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 216 professional contacts with verified work emails tracked across these 35 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 35 clean energy contractors based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
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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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clean energy contractors based in Adelaide, Australia
- Clean energy contractors based in Brisbane, Australia
- Clean energy contractors based in Melbourne, Australia
- Clean energy contractors based in Perth, Australia
- Clean energy contractors based in Sydney, Australia
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Company intelligence · public preview
Top 20 clean energy contractors based in Washington, 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 35 matching company records for clean energy contractors based in Washington, United States, with 422 tracked contacts and 216 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 20 clean energy contractors based in Washington, 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 |  SOL Systemssolsystems.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 189 contacts → |
“Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Solar Solutionsolarsolutionllc.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 43 contacts → |
“Solar Solution, based in Washington D.C, was founded in 2008 and has grown to become one of the largest solar PV installers and developers in the region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NEW Columbia Solarnewcolumbiasolar.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 41 contacts → |
“New Columbia Solar (NCS) is a full-service solar energy company, based in and serving the District of Columbia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Uprise Solar And Roofinguprisesolar.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 19 contacts → |
“Uprise Solar and Roofing is a Washington, DC–based solar and roofing company serving DC, Maryland, and Northern Virginia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ipsun Solaripsunsolar.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 17 contacts → |
“Ipsun Solar, a Civic Renewables Company, is a leader in clean energy services based in Virginia, Washington D.C.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sustainable YOUsustainable-you.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 14 contacts → |
“Sustainable You is a national strategic consulting firm in solar and sustainability serving residential and small commercial clients with a focus in the DC, Maryland and Virginia…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Greenscape Energygreenscape.energyHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 14 contacts → |
“Greenscape Energy is the fastest-growing green solutions provider in the Region As a group of highly-trained professionals, the Greenscape team stands ready to meet the needs of…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Distributed SUNdistributedsun.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“Distributed Sun LLC (DSUN) is a renewable energy services provider founded in 2009.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Adaptive Greenadaptivegreen.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 4 contacts → |
“Adaptive Green designs, installs and maintains green building components such as green roofs, solar panels, green walls and sustainable water management systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Lightbox Energylightboxenergy.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“Lightbox Energy is an energy and sustainability program management firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Baitco LLCbaitco.us HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 3 contacts → |
“BAITCO is a U.S-based Prime Systems Integrator delivering advanced energy, infrastructure, and intelligent technology solutions for mission-critical commercial, institutional, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sustainable Energy Services Internationalsesinter.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Renewable Energy Solutions for Remote and Developing Countries” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NEW Partners Community Solarnpsolar.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“New Partners Community Solar is a 501(c)(3) non-profit organization, dedicated to clean energy and environmental justice.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pipe Solarpipe.solarHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Pipe Solar simplifies the process of PV design, proposal generation, and integrated financing to provide a robust point-of-sale experience for solar customers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Smartr Solarsmartrsolar.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“At Smartr Solar, our mission is "to make the money-saving benefits of solar power accessible to tenants by making solar power a great investment for their landlords." True to our…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Evergreen Energy Investmentsevergreenenergy.usHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Evergreen Energy Investments is a dynamic energy company headquartered in Washington, DC.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Build Better Group BBGbuildbettergroup.com HQ: Washington, United StatesReported employees: 11-50 | Washington, United States | 11-50 | Exact match | 1 contacts → |
“The Clean Energy DC Act, passed in December 2018, is the nation’s first 100% renewal energy bill and the most aggressive, fastest-acting climate change legislation in the country.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Flywheel Development LLCflywheeldevelopment.com HQ: Washington, United StatesReported employees: 1-10 | Washington, United States | 1-10 | Exact match | 1 contacts → |
“Flywheel Development was founded in 2014 and is a leading sustainable urban design and development company in the Washington DC region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | United Trust Energy Allianceunitedtrustenergyalliance.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Introducing United Trust Energy Alliance, your trusted partner in obtaining funding and home improvement through our innovative Solar Program.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Point Energypointenergyco.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Point Energy is a highly specialized and agile end-to-end strategic consultancy and operator in all aspects of the renewable energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 35 company matches
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Clean energy contractors: dataset insights
September 21, 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
35 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 35 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 21, 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 ↗
Clean energy contractors by metro in the United States
- Clean energy contractors in New York119
- Clean energy contractors in Houston109
- Clean energy contractors in San Diego103
- Clean energy contractors in Austin80
- Clean energy contractors in Los Angeles80
- Clean energy contractors in Dallas76
- Clean energy contractors in Chicago65
- Clean energy contractors in Denver63
- Clean energy contractors in Miami62
- Clean energy contractors in San Francisco60
- Clean energy contractors in Phoenix56
- Clean energy contractors in Orlando55
- Clean energy contractors in Las Vegas52
- Clean energy contractors in Atlanta45
- Clean energy contractors in Irvine43
- Clean energy contractors in Tampa43
- Clean energy contractors in San Antonio42
- Clean energy contractors in Portland32
- Clean energy contractors in Scottsdale32
- Clean energy contractors in Boston31
- Clean energy contractors in Charlotte31
- Clean energy contractors in San Jose29
- Clean energy contractors in Oakland27
- Clean energy contractors in Sacramento27
- Clean energy contractors in Boulder26
- Clean energy contractors in Fort Worth26
- Clean energy contractors in Fresno26
Questions about this company list
What does Exact match mean for clean energy 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 clean energy contractors did RevenueBase find based in Washington, United States?
The saved snapshot records 35 matching company records, 422 tracked contacts and 216 verified emails. The public preview displays 20 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 21, 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
Clean energy contractors by geography
- Clean energy contractors based in Adelaide, Australia
- Clean energy contractors based in Brisbane, Australia
- Clean energy contractors based in Melbourne, Australia
- Clean energy contractors based in Perth, Australia
- Clean energy contractors based in Sydney, Australia
- Clean energy contractors based in Belo Horizonte, Brazil
- Clean energy contractors based in Brasilia, Brazil
- Clean energy contractors based in Curitiba, Brazil
- Clean energy contractors based in Fortaleza, Brazil
- Clean energy contractors based in Porto Alegre, Brazil
- Clean energy contractors based in Recife, Brazil
- Clean energy contractors based in Rio De Janeiro, Brazil
Cite this list
RevenueBase Data Team. Top 20 clean energy contractors based in Washington, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/clean-energy-contractors/united-states/washington.
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
- Clean energy contractors based in Adelaide, Australia
- Clean energy contractors based in Brisbane, Australia
- Clean energy contractors based in Melbourne, Australia
- Clean energy contractors based in Perth, Australia
- Clean energy contractors based in Sydney, Australia
- Clean energy contractors based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 20 clean energy contractors based in Washington, United States
RevenueBase records 35 matching company records for clean energy contractors based in Washington, United States, with 422 tracked contacts and 216 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 20 clean energy contractors based in Washington, 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 | SOL Systemssolsystems.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 189 contacts → |
“Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Solar Solutionsolarsolutionllc.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 43 contacts → |
“Solar Solution, based in Washington D.C, was founded in 2008 and has grown to become one of the largest solar PV installers and developers in the region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NEW Columbia Solarnewcolumbiasolar.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 41 contacts → |
“New Columbia Solar (NCS) is a full-service solar energy company, based in and serving the District of Columbia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Uprise Solar And Roofinguprisesolar.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 19 contacts → |
“Uprise Solar and Roofing is a Washington, DC–based solar and roofing company serving DC, Maryland, and Northern Virginia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ipsun Solaripsunsolar.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 17 contacts → |
“Ipsun Solar, a Civic Renewables Company, is a leader in clean energy services based in Virginia, Washington D.C.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sustainable YOUsustainable-you.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 14 contacts → |
“Sustainable You is a national strategic consulting firm in solar and sustainability serving residential and small commercial clients with a focus in the DC, Maryland and Virginia…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Greenscape Energygreenscape.energy HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 14 contacts → |
“Greenscape Energy is the fastest-growing green solutions provider in the Region As a group of highly-trained professionals, the Greenscape team stands ready to meet the needs of…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Distributed SUNdistributedsun.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“Distributed Sun LLC (DSUN) is a renewable energy services provider founded in 2009.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Adaptive Greenadaptivegreen.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 4 contacts → |
“Adaptive Green designs, installs and maintains green building components such as green roofs, solar panels, green walls and sustainable water management systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Lightbox Energylightboxenergy.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“Lightbox Energy is an energy and sustainability program management firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Baitco LLCbaitco.us HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 3 contacts → |
“BAITCO is a U.S-based Prime Systems Integrator delivering advanced energy, infrastructure, and intelligent technology solutions for mission-critical commercial, institutional, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sustainable Energy Services Internationalsesinter.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Renewable Energy Solutions for Remote and Developing Countries” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NEW Partners Community Solarnpsolar.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“New Partners Community Solar is a 501(c)(3) non-profit organization, dedicated to clean energy and environmental justice.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pipe Solarpipe.solar HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Pipe Solar simplifies the process of PV design, proposal generation, and integrated financing to provide a robust point-of-sale experience for solar customers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Smartr Solarsmartrsolar.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“At Smartr Solar, our mission is "to make the money-saving benefits of solar power accessible to tenants by making solar power a great investment for their landlords." True to our…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Evergreen Energy Investmentsevergreenenergy.us HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Evergreen Energy Investments is a dynamic energy company headquartered in Washington, DC.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Build Better Group BBGbuildbettergroup.com HQ: Washington, United StatesReported employees: 11-50 | Washington, United States | 11-50 | Exact match | 1 contacts → |
“The Clean Energy DC Act, passed in December 2018, is the nation’s first 100% renewal energy bill and the most aggressive, fastest-acting climate change legislation in the country.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Flywheel Development LLCflywheeldevelopment.com HQ: Washington, United StatesReported employees: 1-10 | Washington, United States | 1-10 | Exact match | 1 contacts → |
“Flywheel Development was founded in 2014 and is a leading sustainable urban design and development company in the Washington DC region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | United Trust Energy Allianceunitedtrustenergyalliance.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Introducing United Trust Energy Alliance, your trusted partner in obtaining funding and home improvement through our innovative Solar Program.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Point Energypointenergyco.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“Point Energy is a highly specialized and agile end-to-end strategic consultancy and operator in all aspects of the renewable energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 35 company matches
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Clean energy contractors: dataset insights
September 21, 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
35 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 35 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 21, 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 ↗
Clean energy contractors by metro in the United States
- Clean energy contractors in New York119
- Clean energy contractors in Houston109
- Clean energy contractors in San Diego103
- Clean energy contractors in Austin80
- Clean energy contractors in Los Angeles80
- Clean energy contractors in Dallas76
- Clean energy contractors in Chicago65
- Clean energy contractors in Denver63
- Clean energy contractors in Miami62
- Clean energy contractors in San Francisco60
- Clean energy contractors in Phoenix56
- Clean energy contractors in Orlando55
- Clean energy contractors in Las Vegas52
- Clean energy contractors in Atlanta45
- Clean energy contractors in Irvine43
- Clean energy contractors in Tampa43
- Clean energy contractors in San Antonio42
- Clean energy contractors in Portland32
- Clean energy contractors in Scottsdale32
- Clean energy contractors in Boston31
- Clean energy contractors in Charlotte31
- Clean energy contractors in San Jose29
- Clean energy contractors in Oakland27
- Clean energy contractors in Sacramento27
- Clean energy contractors in Boulder26
- Clean energy contractors in Fort Worth26
- Clean energy contractors in Fresno26
Questions about this company list
What does Exact match mean for clean energy 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 clean energy contractors did RevenueBase find based in Washington, United States?
The saved snapshot records 35 matching company records, 422 tracked contacts and 216 verified emails. The public preview displays 20 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 21, 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 20 clean energy contractors based in Washington, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/clean-energy-contractors/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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