Company lists · Data refreshed September 2026
Top 25 College alumni organizations worldwide
RevenueBase identified 1,812 college alumni organizations worldwide as of September 2026 and tracks 23,188 professional contacts across them, including 3,861 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers college alumni organizations worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for college alumni organizations follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 college alumni organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,038 contacts → | ||||
Indirect evidence “The power and value of the Williams network is legendary.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,740 contacts → | ||||
Indirect evidence “Lobo una vez, Lobo toda la vida.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,438 contacts → | ||||
Partial evidence “Somos la Comunidad de #AlumniESPOL nos conectamos y creamos valor desde nuestra Alma Mater y el mundo profesional.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,123 contacts → | ||||
Partial evidence “Das Alumni-Netzwerk der Leuphana Universität Lüneburg ist ein stetig wachsendes Netzwerk von weit über Mitgliedern, bestehend aus Alumni, Studierenden, Lehrenden, Forschenden…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 515 contacts → | ||||
Partial evidence “The Wisconsin Foundation and Alumni Association is your connection to UW-Madison.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 384 contacts → | ||||
Indirect evidence “It’s been said that all roads lead to Jewell.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 337 contacts → | ||||
Indirect evidence “Did you complete your studies at Crawford International?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 316 contacts → | ||||
Indirect evidence “Queridos Exalumnos, desde esta herramienta esperamos poder mejorar un poco más la comunicación y convocatoria a las actividades de la Comisión de Exalumnos.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 266 contacts → | ||||
Indirect evidence “Connecting the PDEU Community.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 211 contacts → | ||||
Partial evidence “This page provides a common platform for networking between present students and alumni of UOU through providing information and opportunities.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 205 contacts → | ||||
Partial evidence “The UCLA Alumni Association has a diverse and rich history of bringing alumni together to support the University, its students and each other.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 185 contacts → | ||||
Indirect evidence “550 years of rich and eventful history have left Magdalen with some of the most picturesque sights in Oxford, making it a must-see for the Oxford visitor.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 180 contacts → | ||||
Indirect evidence “Somos la Asociación de Egresados de la Universidad de los Andes, fundada en 1955.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 175 contacts → | ||||
Indirect evidence “Florida Blue Key is the state of Florida's oldest leadership honorary.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 160 contacts → | ||||
Partial evidence “At the Stanford Alumni Association, it's our goal to reach, serve and engage all Stanford alumni.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 142 contacts → | ||||
Partial evidence “Advance SRM Institute of Science and Technology by promoting alumni relationships, fostering commitment among students and enabling student–alumni interactions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 140 contacts → | ||||
Partial evidence “We enrich the University of Michigan’s impact by serving as an independent gateway for alums of all identities, backgrounds, and experiences – across the globe and in our…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 120 contacts → | ||||
Partial evidence “Serve and promote the Institute and its alumni through programming and engagement that fosters lifelong relationships, philanthropic support and goodwill.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 118 contacts → | ||||
Partial evidence “The UJ Alumni Network is committed to helping you to maintain contact with the University and its worldwide community and to keeping you informed and engaged.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 117 contacts → | ||||
Partial evidence “The purpose of Preston Alumni Association is to foster a spirit of loyalty and to promote the general welfare of Preston University.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 114 contacts → | ||||
Partial evidence “The Cal Alumni Association (CAA) provides all Cal graduates with rewarding connections to the University, to fellow alumni, and to current students.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 90 contacts → | ||||
Partial evidence “The alumni association of UT Austin, serving more than members and more than alumni.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 89 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 89 contacts → | ||||
Partial evidence “The UVA Alumni Association is an independent, alumni-led organization dedicated to serving and representing all Hoos.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 81 contacts → | ||||
Partial evidence “Alumni Page The mission of Le Lycée Français de Los Angeles is to promote interaction between current and former students.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: college alumni organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names college alumni organizations.
- Partial evidence
- Its own public description names part of college alumni organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name college alumni organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,812 college alumni organizations worldwide
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College alumni organizations worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among college alumni organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for college alumni organizations are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “college alumni organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names college alumni organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among college alumni organizations, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 3,861 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
College alumni organizations by location
4 lists · largest firstEvery College alumni organizations 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names college alumni organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many college alumni organizations are there worldwide?
RevenueBase identified 1,812 college alumni organizations worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Williams College, headquartered in Williamstown, tops this list with the largest team on record.
Which country has the most college alumni organizations?
The United States leads with 639 companies, followed by India (170) and the United Kingdom (46). Every college alumni organizations list by country and city is linked on this page.
Which city has the most college alumni organizations?
New York leads with 31 headquartered companies, followed by Istanbul (18) and Paris (18).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,861 verified decision-maker contacts tracked across these 1,812 companies.
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 Smart Search, 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.