Company lists · Data refreshed November 2026

Top 25 Philosophy institutes based in the United States

RevenueBase identified 192 company matches for philosophy institutes associated with the United States as of November 2026 and tracks 4,682 professional contacts across them, including 1,501 with verified work emails. New York is the largest hub.

This list covers company matches for philosophy institutes associated with the 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
192Companies
4,682Contacts tracked
1,501Verified emails
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The 25 largest philosophy institutes based in the United States

Ranked by team size
Top 25 of 192 company matches for philosophy institutes based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchOjai, CA, United StatesHQ recorded Nov 6, 202651-200140 contacts →

Exact match

“Founded in 1975 by renowned philosopher and teacher Jiddu Krishnamurti, our unique approach to education has been a model for educators around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a48 contacts →

Exact match

“The Hertog Foundation offers several highly competitive and selective educational programs for outstanding individuals who seek to influence the intellectual, civic, and political…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a43 contacts →

Exact match

“One Spirit Learning Alliance is a 501(c)(3) educational organization dedicated to fostering the evolution of the human spirit through the study and practice of the world’s wisdom…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSpringfield, VA, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Founded in 1976 in the legacy of C.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“The Brooklyn Institute for Social Research is an interdisciplinary teaching and research institute that offers critical, community-based education in the humanities and social…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTontitown, AR, United StatesHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“Ozark Catholic Academy engages students in a rigorous, integrated education that enables them to behold the fullness of reality through both faith and reason and to live the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLakewood, CO, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Addenbrooke Classical Academy; Fostering a Culture of Free and Independent Thinkers through Tradition and Innovation”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“The Lumen Christi Institute was founded at the University of Chicago in 1997, inspired by a vision articulated by Catholic scholars at the university.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Founded in 1958, The C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeattle, United StatesHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“PLATO nurtures young people’s curiosity, critical thinking, and desire to explore big questions, through philosophy and ethics programs for students, educators, and families.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSavannah, GA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Ralston College is both a revival and reinvention of the traditional academy, as well as a home for a broad range of intellectual seekers who are dedicated to humanistic inquiry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“The New Centre for Research & Practice is conceived upon the idea that the space of knowledge is a laboratory for navigating the links between thought and action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMinneapolis, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“The Havard Virtuous Leadership Institute (HVLI) is a network of Institutes around the globe, that are leading a movement to ignite hearts for greatness and raise up a new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGainesville, FL, United StatesHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Christian Study Center of Gainesville is a company based out of 112 NW 16th St, Gainesville, Florida, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Humanities Preparatory Academy's mission is to provide all students with a philosophical and practical education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“The Institute's purpose is to enrich and deepen lives through the wisdom and imagination of the humanities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Located in the heart of Washington, D.C, the Catholic Information Center is committed to making the Catholic Church alive in the hearts and minds of men and women living and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew Haven, CT, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“The Elm Institute is an independent center of philosophical inquiry established alongside Yale University.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAsheville, NC, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“The Haden Institute offers spiritual direction certification, dreamwork certification, and specialized PhDs in both areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“The FREE ASSOCIATION CLINIC FOR EXISTENTIAL PSYCHOTHERAPY AND PSYCHOANALYSIS Post-Doctoral Training Program offers training in existential psychotherapy and psychoanalysis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHolland, MI, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“The Zephyr Institute is a community of scholars, students, and professionals committed to gaining a fuller understanding of the human person and the common good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“The Institute of Catholic Culture is an adult catechetical organization, faithful to the Magisterium of the Catholic Church, and dedicated to the Church’s call for a new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“The Albertus Magnus Institute is a nonprofit corporation dedicated to the promotion of education that is truly liberating.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“The Partially Examined Life is a philosophy podcast and blog by some guys who were at one point set on doing philosophy for a living but then thought better of it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 192 philosophy institutes based in the United States

See the full list, filter by size, metro and specialty, and access 1,501 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Philosophy institutes based in the United States at a glance

As of Nov 6, 2026
32.1%Verified-email coverage
24.4Average contacts per company
11-50Median size (employees)
5.7%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
90
11-50
56
51-200
15
201-500
10
501-1,000
9
1,001-5,000
6
5,001-10,000
2
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 192 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 the United States whose business descriptions match “philosophy institutes” 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 1,501 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.

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 “philosophy institutes”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many philosophy institutes are there based in the United States?

RevenueBase identified 192 company matches for philosophy institutes associated with the United States 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?

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

Which city has the most philosophy institutes?

New York leads with 11 company records, followed by Chicago (6) and Washington (6).

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 1,501 professional contacts with verified work emails tracked across these 192 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.

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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.