Company lists · Data refreshed September 2026

Top 25 Astronomy observatories worldwide

RevenueBase identified 601 company matches for astronomy observatories worldwide as of September 2026 and tracks 12,773 professional contacts across them, including 2,542 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for astronomy observatories 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 September 19, 2026. Country and city lists for astronomy observatories 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
601Companies
12,773Contacts tracked
2,542Verified emails
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The 25 largest astronomy observatories worldwide

Ranked by team size
Top 25 of 601 company matches for astronomy observatories worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChileHQ recorded Sep 19, 2026n/a970 contacts →

Exact match

“Pontificia Universidad Católica de Chile.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchGarching Bei Muenchen, GermanyHQ recorded Sep 19, 2026501-1,000812 contacts →

Exact match

“ESO, the European Southern Observatory, is the foremost intergovernmental astronomy organisation in Europe and the world's most productive astronomical observatory.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchItalyHQ recorded Sep 19, 20261,001-5,000474 contacts →

Exact match

“L’Istituto Nazionale di Astrofisica è il principale Ente di Ricerca italiano per lo studio dell’Universo.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Sep 19, 2026501-1,000389 contacts →

Exact match

“Établissement public d'enseignement supérieur et de recherche.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchDwingeloo, NetherlandsHQ recorded Sep 19, 202651-200335 contacts →

Exact match

“ASTRON is the Netherlands Institute for Radio Astronomy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchIndiaHQ recorded Sep 19, 2026201-500242 contacts →

Exact match

“Astronomical Research and Development”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Sep 19, 202651-200235 contacts →

Exact match

“The National Observatory of Athens (NOA) was founded in 1842 and is the oldest research foundation in Greece.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchMitaka, JapanHQ recorded Sep 19, 2026201-500188 contacts →

Exact match

“The National Astronomical Observatory of Japan (NAOJ) is the national center of astronomical research in Japan.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchNice, FranceHQ recorded Sep 19, 2026501-1,000153 contacts →

Exact match

“Si l’Observatoire de la Côte d’Azur (OCA) possède un patrimoine architectural et scientifique remarquable, ouvert au public, il n’en est pas moins un opérateur de recherche en…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 19, 20261,001-5,000152 contacts →

Exact match

“The Association of Universities for Research in Astronomy (AURA) is a consortium of 47 US institutions and 3 international affiliates that operates world-class astronomical…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchIndiaHQ recorded Sep 19, 202651-200130 contacts →

Exact match

“From our home on Earth, we look out into the distances and strive to imagine the sort of world into which we were born.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchMae Rim, ThailandHQ recorded Sep 19, 2026201-500115 contacts →

Exact match

“National Astronomical Research Institute of Thailand or NARIT is a research institute under the Ministry of Higher Education, Science, Research and Innovation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchMeudon, FranceHQ recorded Sep 19, 2026201-50082 contacts →

Exact match

“De la conception des instruments d’astronomie à l’exploitation des résultats, les thématiques scientifiques développées au LIRA couvrent de nombreux domaines de l’astrophysique.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchCairo, EgyptHQ recorded Sep 19, 2026n/a74 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchPasadena, CA, United StatesHQ recorded Sep 19, 202651-20071 contacts →

Exact match

“The Thirty Meter Telescope (TMT) International Observatory (TIO) is an extraordinary international scientific endeavor that has the potential to revolutionize our understanding of…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchPerth, United StatesHQ recorded Sep 19, 202651-20070 contacts →

Exact match

“The International Centre for Radio Astronomy Research (ICRAR) discovers the hidden Universe through world-class astronomical research.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchDaejeon, South KoreaHQ recorded Sep 19, 2026201-50069 contacts →

Exact match

“As a national research institute for astronomy since 1974, KASI has conducted research activities, in particular, by developing, establishing, and operating medium- and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Sep 19, 202611-5054 contacts →

Exact match

“The IAU is the international astronomical organization that brings together more than active professional astronomers from more than 100 countries worldwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchLa Laguna, SpainHQ recorded Sep 19, 202651-20052 contacts →

Exact match

“The Gran Telescopio Canarias (GTC or GRANTECAN) is the largest optical-IR telescope in operation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchGoleta, CA, United StatesHQ recorded Sep 19, 202651-20051 contacts →

Exact match

“Las Cumbres Observatory is building a global network of astronomical observatories for educational outreach and scientific research.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchTõravere, EstoniaHQ recorded Sep 19, 202651-20049 contacts →

Exact match

“Tartu Observatory is an institute of the Faculty of Science and Technology of the University of Tartu.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchSão Paulo, BrazilHQ recorded Sep 19, 202651-20047 contacts →

Exact match

“O Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG) da Universidade de São Paulo (USP) é um dos principais polos de pesquisa do Brasil nas áreas de Ciências Exatas…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBydgoszcz, PolandHQ recorded Sep 19, 202611-5046 contacts →

Exact match

“Sybilla Technologies designs, builds, and operates robotic optical observatories for monitoring objects in space.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMarseille, FranceHQ recorded Sep 19, 202611-5042 contacts →

Exact match

“UNISTELLAR reinvents the telescope so that everyone can enjoy discovering and understanding the Universe.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchChileHQ recorded Sep 19, 202651-20042 contacts →

Exact match

“Museo Interactivo Mirador”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 601 astronomy observatories worldwide

See the full list, filter by size, metro and specialty, and access 2,542 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Astronomy observatories worldwide at a glance

As of Sep 19, 2026
19.9%Verified-email coverage
21.3Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Pune
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
283
11-50
150
51-200
104
201-500
34
501-1,000
13
1,001-5,000
6
10001+
3

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 astronomy observatories are linked below.
What qualifies
Company records worldwide whose business descriptions match “astronomy observatories” 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 2,542 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 19, 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.

Astronomy observatories by location

2 lists · largest first

Every Astronomy observatories 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 “astronomy observatories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many astronomy observatories are there worldwide?

RevenueBase identified 601 company matches for astronomy observatories worldwide 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?

PUC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most astronomy observatories?

The United States leads with 128 companies, followed by France (43). Every astronomy observatories list by country and city is linked on this page.

Which city has the most astronomy observatories?

Pune leads with 11 company records, followed by Tucson (10) and Cambridge (8).

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 2,542 professional contacts with verified work emails tracked across these 601 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 19, 2026.

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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.