Company lists · Data refreshed November 2026
Top 25 Solar performance testing services worldwide
RevenueBase identified 480 company matches for solar performance testing services worldwide as of November 2026 and tracks 3,330 professional contacts across them, including 674 with verified work emails. The United States is the largest market and Karachi the largest hub.
This list covers company matches for solar performance testing services 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 November 6, 2026. Country and city lists for solar performance testing services 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 solar performance testing services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 280 contacts → | ||||
Exact match “Established in 2010 by a team of seasoned French solar industry veterans, STS is the result of our passion to advance sustainability progress, and our relentless drive to solve…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 178 contacts → | ||||
Exact match “Eternal Sun B.V.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 124 contacts → | ||||
Exact match “GroundWork Renewables is the leading provider of high-quality meteorological (MET) data and ISO-accredited PV lab testing to give solar plant owners complete situational awareness…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 86 contacts → | ||||
Exact match “Kiwa PI Berlin | Independent Experts in Photovoltaics At Kiwa PI Berlin, we specialize in providing independent, customer-focused support for solar energy projects-from the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 59 contacts → | ||||
Exact match “We build high-end simulators that simulate sunlight.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 45 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “Wyssling Consulting is the #1 Residential Solar Engineering company in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 40 contacts → | ||||
Exact match “Laboratorio de Ensayos de Seguridad Eléctrica, Eficiencia Energética, Performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 39 contacts → | ||||
Exact match “In both the factory and the lab, measuring the efficiency of solar cells is essential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “4fores is fast-growing applied-R&D, field-testing and power electronics company working in the Renewable Energies sector (Wind Energy, Photovoltaics and CHP plants) providing to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Software to detect and predict failures, increase performance up to 10% & optimize O&M interventions costs by 80%.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “A One-stop solution that provides solar design & engineering-related services to solar businesses such as prelim production reports, permit designs, as-builts, PE stamps…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “At GreenLancer, we make solar design, engineering, and maintenance simple for installers, homeowners, EPCs, and solar financiers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “maxx-solar & energie, your specialist for photovoltaic plants in Central Germany Since foundation of maxx-solar in 2008, we have become specialist in solar energy production for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 27 contacts → | ||||
Exact match “About us Pasan is the world reference for measurement equipment in the photovoltaic cell and module manufacturing business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “American Green Solutions (AMGSol) is a premier offsite firm specializing in round-the-clock, 365-day digital and performance monitoring services tailored for solar energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 25 contacts → | ||||
Exact match “MBJ Solutions GmbH specializes in the development and sales of test and measurement systems for the photovoltaic industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 20 contacts → | ||||
Exact match “GeoSUN offers a variety of services relating to the utility scale solar energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 20 contacts → | ||||
Exact match “SWS is the complete package when it comes to green technologies, offering a range of services for home & commercial renewable installations including Solar PV, Battery storage…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 19 contacts → | ||||
Exact match “At Solar Design Expert, we are a dedicated team of qualified engineers specializing in the dynamic field of solar energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “RETC is an independent testing and certification laboratory specializing in solar and energy storage products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 18 contacts → | ||||
Exact match “KiloNewton LLC was founded in 2017 by John Williamson, the former Chief Engineer of Array Technologies, with the mission to make renewable energy more competitive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “All-in-one solar electric service provider in San Jose and the San Francisco Bay Area - We offer free solar site inspection, complete solar financial analysis, solar electric…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “2016 Yılında kurulan SUSOL, Lisanslı / Lisanssız Güneş Enerji Santrallerine İşveren Mühendisliği, Denetim ve Muayene hizmeti vermektedir.” Recorded in the RevenueBase company graph · Nov 6, 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 “solar performance testing services”. 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 480 solar performance testing services worldwide
See the full list, filter by size, metro and specialty, and access 674 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Solar performance testing services worldwide at a glance
As of Nov 6, 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 solar performance testing services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “solar performance testing services” 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 674 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 November 6, 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.
Solar performance testing services by location
2 lists · largest firstEvery Solar performance testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “solar performance testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many solar performance testing services are there worldwide?
RevenueBase identified 480 company matches for solar performance testing services worldwide as of November 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?
STS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most solar performance testing services?
The United States leads with 83 companies, followed by Germany (26). Every solar performance testing services list by country and city is linked on this page.
Which city has the most solar performance testing services?
Karachi leads with 8 company records, followed by Campinas (3) and Denver (3).
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 674 professional contacts with verified work emails tracked across these 480 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 480 solar performance testing services 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 solar performance testing services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 480 matching company records for solar performance testing services worldwide, with 3,330 tracked contacts and 674 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: November 6, 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 solar performance testing services 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 |  STSsts-certified.comHQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 280 contacts → |
“Established in 2010 by a team of seasoned French solar industry veterans, STS is the result of our passion to advance sustainability progress, and our relentless drive to solve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Spire Solareternalsunspire.comHQ: The Hague, NetherlandsReported employees: Not recorded | The Hague, Netherlands | Not recorded | Exact match | 178 contacts → |
“Eternal Sun B.V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Groundwork Renewablesgrndwork.comHQ: Sand City, NM, United StatesReported employees: 51-200 | Sand City, NM, United States | 51-200 | Exact match | 124 contacts → |
“GroundWork Renewables is the leading provider of high-quality meteorological (MET) data and ISO-accredited PV lab testing to give solar plant owners complete situational awareness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kiwa PI Berlinkiwa.comHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 86 contacts → |
“Kiwa PI Berlin | Independent Experts in Photovoltaics At Kiwa PI Berlin, we specialize in providing independent, customer-focused support for solar energy projects-from the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Eternal SUNeternalsun.comHQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 59 contacts → |
“We build high-end simulators that simulate sunlight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mchale & Associates, INCmchale.comHQ: Redmond, TN, United StatesReported employees: 51-200 | Redmond, TN, United States | 51-200 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Wyssling Consulting, LLCwysslingconsulting.comHQ: Alpine, UT, United StatesReported employees: 11-50 | Alpine, UT, United States | 11-50 | Exact match | 43 contacts → |
“Wyssling Consulting is the #1 Residential Solar Engineering company in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Iadev Latinoaméricaiadevla.comHQ: Parque Patricios, ArgentinaReported employees: 51-200 | Parque Patricios, Argentina | 51-200 | Exact match | 40 contacts → |
“Laboratorio de Ensayos de Seguridad Eléctrica, Eficiencia Energética, Performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wavelabs Eternal SUN Gmbhwavelabs.deHQ: Leipzig, GermanyReported employees: 51-200 | Leipzig, Germany | 51-200 | Exact match | 39 contacts → |
“In both the factory and the lab, measuring the efficiency of solar cells is essential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  4fores4fores.esHQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 37 contacts → |
“4fores is fast-growing applied-R&D, field-testing and power electronics company working in the Renewable Energies sector (Wind Energy, Photovoltaics and CHP plants) providing to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Smarthelio AI Agent For Solar & Besssmarthelio.comHQ: Prilly, SwitzerlandReported employees: 11-50 | Prilly, Switzerland | 11-50 | Exact match | 36 contacts → |
“Software to detect and predict failures, increase performance up to 10% & optimize O&M interventions costs by 80%.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ONE Place Solaroneplacesolar.com HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 35 contacts → |
“A One-stop solution that provides solar design & engineering-related services to solar businesses such as prelim production reports, permit designs, as-builts, PE stamps…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Greenlancergreenlancer.comHQ: Detroit, MI, United StatesReported employees: 11-50 | Detroit, MI, United States | 11-50 | Exact match | 34 contacts → |
“At GreenLancer, we make solar design, engineering, and maintenance simple for installers, homeowners, EPCs, and solar financiers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Saraiva Engenhariasaraivaengenharia.com.br HQ: BrazilReported employees: 51-200 | Brazil | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Maxx Solar & Energie Gmbh & Co. KGmaxx-solar.deHQ: Waltershausen, GermanyReported employees: 51-200 | Waltershausen, Germany | 51-200 | Exact match | 31 contacts → |
“maxx-solar & energie, your specialist for photovoltaic plants in Central Germany Since foundation of maxx-solar in 2008, we have become specialist in solar energy production for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  PASANpasan.chHQ: Neuchâtel, SwitzerlandReported employees: 51-200 | Neuchâtel, Switzerland | 51-200 | Exact match | 27 contacts → |
“About us Pasan is the world reference for measurement equipment in the photovoltaic cell and module manufacturing business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | American Green Solutions LLCamgsol.com HQ: Naperville, IL, United StatesReported employees: 51-200 | Naperville, IL, United States | 51-200 | Exact match | 26 contacts → |
“American Green Solutions (AMGSol) is a premier offsite firm specializing in round-the-clock, 365-day digital and performance monitoring services tailored for solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  MBJ Solutions Gmbhmbj-solutions.comHQ: Ahrensburg, GermanyReported employees: 11-50 | Ahrensburg, Germany | 11-50 | Exact match | 25 contacts → |
“MBJ Solutions GmbH specializes in the development and sales of test and measurement systems for the photovoltaic industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Geosungeosun.co.zaHQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 20 contacts → |
“GeoSUN offers a variety of services relating to the utility scale solar energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  SWS Northwest LTDswsnw.co.ukHQ: Widnes, United KingdomReported employees: 11-50 | Widnes, United Kingdom | 11-50 | Exact match | 20 contacts → |
“SWS is the complete package when it comes to green technologies, offering a range of services for home & commercial renewable installations including Solar PV, Battery storage…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Solar Design Expertsolardesignexpert.comHQ: Bhopal, IndiaReported employees: 1-10 | Bhopal, India | 1-10 | Exact match | 19 contacts → |
“At Solar Design Expert, we are a dedicated team of qualified engineers specializing in the dynamic field of solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Retc, Part Of The VDE Groupretc-ca.comHQ: Fremont, AZ, United StatesReported employees: 51-200 | Fremont, AZ, United States | 51-200 | Exact match | 18 contacts → |
“RETC is an independent testing and certification laboratory specializing in solar and energy storage products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Kilonewtonkilonewton.comHQ: Albuquerque, NM, United StatesReported employees: 11-50 | Albuquerque, NM, United States | 11-50 | Exact match | 18 contacts → |
“KiloNewton LLC was founded in 2017 by John Williamson, the former Chief Engineer of Array Technologies, with the mission to make renewable energy more competitive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Highlight Solarhighlightsolar.comHQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 15 contacts → |
“All-in-one solar electric service provider in San Jose and the San Francisco Bay Area - We offer free solar site inspection, complete solar financial analysis, solar electric…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Susol Enerjisusol.com.trHQ: Bursa, TürkiyeReported employees: 11-50 | Bursa, Türkiye | 11-50 | Exact match | 15 contacts → |
“2016 Yılında kurulan SUSOL, Lisanslı / Lisanssız Güneş Enerji Santrallerine İşveren Mühendisliği, Denetim ve Muayene hizmeti vermektedir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 480 company matches
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Solar performance testing services: dataset insights
November 6, 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
475 records in the displayed employee bands.
5 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 480 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: November 6, 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 ↗
Solar performance testing services by location
2 lists · largest firstEvery Solar performance testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for solar performance testing services?
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 solar performance testing services did RevenueBase find worldwide?
The saved snapshot records 480 matching company records, 3,330 tracked contacts and 674 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: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 solar performance testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/solar-performance-testing-services.
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 solar performance testing services worldwide
RevenueBase records 480 matching company records for solar performance testing services worldwide, with 3,330 tracked contacts and 674 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: November 6, 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 solar performance testing services 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 | STSsts-certified.com HQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 280 contacts → |
“Established in 2010 by a team of seasoned French solar industry veterans, STS is the result of our passion to advance sustainability progress, and our relentless drive to solve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Spire Solareternalsunspire.com HQ: The Hague, NetherlandsReported employees: Not recorded | The Hague, Netherlands | Not recorded | Exact match | 178 contacts → |
“Eternal Sun B.V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Groundwork Renewablesgrndwork.com HQ: Sand City, NM, United StatesReported employees: 51-200 | Sand City, NM, United States | 51-200 | Exact match | 124 contacts → |
“GroundWork Renewables is the leading provider of high-quality meteorological (MET) data and ISO-accredited PV lab testing to give solar plant owners complete situational awareness…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kiwa PI Berlinkiwa.com HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 86 contacts → |
“Kiwa PI Berlin | Independent Experts in Photovoltaics At Kiwa PI Berlin, we specialize in providing independent, customer-focused support for solar energy projects-from the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Eternal SUNeternalsun.com HQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 59 contacts → |
“We build high-end simulators that simulate sunlight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mchale & Associates, INCmchale.com HQ: Redmond, TN, United StatesReported employees: 51-200 | Redmond, TN, United States | 51-200 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Wyssling Consulting, LLCwysslingconsulting.com HQ: Alpine, UT, United StatesReported employees: 11-50 | Alpine, UT, United States | 11-50 | Exact match | 43 contacts → |
“Wyssling Consulting is the #1 Residential Solar Engineering company in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Iadev Latinoaméricaiadevla.com HQ: Parque Patricios, ArgentinaReported employees: 51-200 | Parque Patricios, Argentina | 51-200 | Exact match | 40 contacts → |
“Laboratorio de Ensayos de Seguridad Eléctrica, Eficiencia Energética, Performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wavelabs Eternal SUN Gmbhwavelabs.de HQ: Leipzig, GermanyReported employees: 51-200 | Leipzig, Germany | 51-200 | Exact match | 39 contacts → |
“In both the factory and the lab, measuring the efficiency of solar cells is essential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 4fores4fores.es HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 37 contacts → |
“4fores is fast-growing applied-R&D, field-testing and power electronics company working in the Renewable Energies sector (Wind Energy, Photovoltaics and CHP plants) providing to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Smarthelio AI Agent For Solar & Besssmarthelio.com HQ: Prilly, SwitzerlandReported employees: 11-50 | Prilly, Switzerland | 11-50 | Exact match | 36 contacts → |
“Software to detect and predict failures, increase performance up to 10% & optimize O&M interventions costs by 80%.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ONE Place Solaroneplacesolar.com HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 35 contacts → |
“A One-stop solution that provides solar design & engineering-related services to solar businesses such as prelim production reports, permit designs, as-builts, PE stamps…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Greenlancergreenlancer.com HQ: Detroit, MI, United StatesReported employees: 11-50 | Detroit, MI, United States | 11-50 | Exact match | 34 contacts → |
“At GreenLancer, we make solar design, engineering, and maintenance simple for installers, homeowners, EPCs, and solar financiers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Saraiva Engenhariasaraivaengenharia.com.br HQ: BrazilReported employees: 51-200 | Brazil | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Maxx Solar & Energie Gmbh & Co. KGmaxx-solar.de HQ: Waltershausen, GermanyReported employees: 51-200 | Waltershausen, Germany | 51-200 | Exact match | 31 contacts → |
“maxx-solar & energie, your specialist for photovoltaic plants in Central Germany Since foundation of maxx-solar in 2008, we have become specialist in solar energy production for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | PASANpasan.ch HQ: Neuchâtel, SwitzerlandReported employees: 51-200 | Neuchâtel, Switzerland | 51-200 | Exact match | 27 contacts → |
“About us Pasan is the world reference for measurement equipment in the photovoltaic cell and module manufacturing business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | American Green Solutions LLCamgsol.com HQ: Naperville, IL, United StatesReported employees: 51-200 | Naperville, IL, United States | 51-200 | Exact match | 26 contacts → |
“American Green Solutions (AMGSol) is a premier offsite firm specializing in round-the-clock, 365-day digital and performance monitoring services tailored for solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MBJ Solutions Gmbhmbj-solutions.com HQ: Ahrensburg, GermanyReported employees: 11-50 | Ahrensburg, Germany | 11-50 | Exact match | 25 contacts → |
“MBJ Solutions GmbH specializes in the development and sales of test and measurement systems for the photovoltaic industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geosungeosun.co.za HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 20 contacts → |
“GeoSUN offers a variety of services relating to the utility scale solar energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SWS Northwest LTDswsnw.co.uk HQ: Widnes, United KingdomReported employees: 11-50 | Widnes, United Kingdom | 11-50 | Exact match | 20 contacts → |
“SWS is the complete package when it comes to green technologies, offering a range of services for home & commercial renewable installations including Solar PV, Battery storage…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Solar Design Expertsolardesignexpert.com HQ: Bhopal, IndiaReported employees: 1-10 | Bhopal, India | 1-10 | Exact match | 19 contacts → |
“At Solar Design Expert, we are a dedicated team of qualified engineers specializing in the dynamic field of solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Retc, Part Of The VDE Groupretc-ca.com HQ: Fremont, AZ, United StatesReported employees: 51-200 | Fremont, AZ, United States | 51-200 | Exact match | 18 contacts → |
“RETC is an independent testing and certification laboratory specializing in solar and energy storage products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Kilonewtonkilonewton.com HQ: Albuquerque, NM, United StatesReported employees: 11-50 | Albuquerque, NM, United States | 11-50 | Exact match | 18 contacts → |
“KiloNewton LLC was founded in 2017 by John Williamson, the former Chief Engineer of Array Technologies, with the mission to make renewable energy more competitive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Highlight Solarhighlightsolar.com HQ: San Jose, CA, United StatesReported employees: 1-10 | San Jose, CA, United States | 1-10 | Exact match | 15 contacts → |
“All-in-one solar electric service provider in San Jose and the San Francisco Bay Area - We offer free solar site inspection, complete solar financial analysis, solar electric…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Susol Enerjisusol.com.tr HQ: Bursa, TürkiyeReported employees: 11-50 | Bursa, Türkiye | 11-50 | Exact match | 15 contacts → |
“2016 Yılında kurulan SUSOL, Lisanslı / Lisanssız Güneş Enerji Santrallerine İşveren Mühendisliği, Denetim ve Muayene hizmeti vermektedir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 480 company matches
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Solar performance testing services: dataset insights
November 6, 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
475 records in the displayed employee bands.
5 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 480 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: November 6, 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 ↗
Solar performance testing services by location
2 lists · largest firstEvery Solar performance testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for solar performance testing services?
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 solar performance testing services did RevenueBase find worldwide?
The saved snapshot records 480 matching company records, 3,330 tracked contacts and 674 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: November 6, 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 solar performance testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/solar-performance-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗