Company lists · Data refreshed September 2026

Top 25 Historic preservation societies worldwide

RevenueBase identified 438 company matches for historic preservation societies worldwide as of September 2026 and tracks 4,371 professional contacts across them, including 1,548 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for historic preservation societies 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 20, 2026. Country and city lists for historic preservation societies 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 20, 2026 How this list was built
438Companies
4,371Contacts tracked
1,548Verified emails
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The 25 largest historic preservation societies worldwide

Ranked by team size
Top 25 of 438 company matches for historic preservation societies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchBoston, MA, United StatesHQ recorded Sep 20, 2026201-500463 contacts →

Exact match

“Founded by landscape architect Charles Eliot in 1891, The Trustees has, for more than 125 years, been a catalyst for important ideas, endeavors, and progress in Massachusetts.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchNeuilly-sur-seine, FranceHQ recorded Sep 20, 202651-200396 contacts →

Exact match

“Fondation du Patrimoine is a French non profit organization, created by law in 1996, to promote and raise funds to restore public and private heritage.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026201-500338 contacts →

Exact match

“For more than 75 years, the National Trust for Historic Preservation has led the movement to safeguard America’s historic places.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchMadison, WI, United StatesHQ recorded Sep 20, 2026201-500268 contacts →

Exact match

“Since 1846, the Wisconsin Historical Society has been on a mission to connect people to the past by collecting, preserving and sharing stories.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202651-20084 contacts →

Exact match

“GBX Group LLC specializes in preserving and operating historic real estate in urban markets.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchRichmond, VA, United StatesHQ recorded Sep 20, 202651-20057 contacts →

Exact match

“Since 1889, Preservation Virginia has preserved historic places and raised awareness of the importance of perpetuating and revitalizing Virginia's cultural, architectural and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5054 contacts →

Exact match

“The Society for the Protection of Ancient Buildings.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Sep 20, 202611-5054 contacts →

Exact match

“Créée en 1958 par Anne de Amodio et reconnue d’utilité publique en 1963, les VMF se consacrent à la sauvegarde et à la mise en valeur du patrimoine bâti et paysager depuis près de…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchIndianapolis, IN, United StatesHQ recorded Sep 20, 202611-5042 contacts →

Exact match

“A private nonprofit supported by a diverse membership base and guided by a volunteer board, Indiana Landmarks revitalizes communities, strengthens connections to our diverse…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“We represent the nation’s largest collection of independently owned historic houses and gardens.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchDublin, IrelandHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“Established in 2006, The Irish Heritage Trust (IHT) is an independent not-for-profit caring for and bringing historic houses, museums and gardens to life in a financially…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchNorth Shields, United KingdomHQ recorded Sep 20, 202651-20033 contacts →

Exact match

“The UK's leading conservation company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchColumbia, SC, United StatesHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“In November 1961, a small group of individuals intent on saving the Ainsley Hall House from demolition officially incorporated as the Historic Columbia.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchBuffalo, NY, United StatesHQ recorded Sep 20, 202611-5028 contacts →

Exact match

“The Martin House, designed and built from 1903-05, is considered by Wright scholars to be a significant turning point in the evolution of the Prairie house concept.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“The AHF is a registered charity, working since 1976 to promote the conservation and sustainable re-use of historic buildings for the benefit of communities across the UK…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchVancouver, WA, United StatesHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“linktr.ee/thehistorictrust Mission:To inspire civic pride through education, preservation and celebration of our community’s history.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchAthens, GA, IndiaHQ recorded Sep 20, 20261-1026 contacts →

Exact match

“Dedicated to developing community-wide understanding of the value of historic buildings, neighborhoods, and heritage.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchMorrison, CO, United StatesHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“HistoriCorps is a 501(c)(3) nonprofit that provides volunteers of all skill levels with a hands-on experience preserving historic structures on public lands across America.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-1024 contacts →

Exact match

“Founded in 1971, Landmarks Illinois is the state’s leading voice for historic preservation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchPittsburgh, PA, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“The Pittsburgh History & Landmarks Foundation was founded in 1964 by a group of citizens who passionately believed that historic preservation, rather than massive demolition…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-1023 contacts →

Exact match

“Docomomo is an acronym for the DOcumentation and COnservation of buildings, sites and neighborhoods of the MOdern MOvement.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Sep 20, 202651-20022 contacts →

Exact match

“Galveston Historical Foundation About Us Incorporated in 1954, Galveston Historical Foundation (GHF) is one of the nation's largest local preservation organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“The National Society of The Colonial Dames of America promotes appreciation for the people, places and events that led to the formation and development of our country.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“The Los Angeles Conservancy is a private, member-based nonprofit devoted to preserving, revitalizing, and celebrating the historic places that make Greater Los Angeles unique.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchNew Orleans, LA, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“The PRC is dedicated to the preservation of New Orleans’ unique and diverse neighborhoods, its authentic culture and its singular joie de vivre.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 438 historic preservation societies worldwide

See the full list, filter by size, metro and specialty, and access 1,548 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Historic preservation societies worldwide at a glance

As of Sep 20, 2026
35.4%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
315
11-50
88
51-200
20
201-500
5
501-1,000
3
1,001-5,000
2

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 historic preservation societies are linked below.
What qualifies
Company records worldwide whose business descriptions match “historic preservation societies” 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 1,548 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 20, 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.

Historic preservation societies by location

2 lists · largest first

Every Historic preservation societies 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 “historic preservation societies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many historic preservation societies are there worldwide?

RevenueBase identified 438 company matches for historic preservation societies 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?

The Trustees Of Reservations tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most historic preservation societies?

The United States leads with 264 companies, followed by the United Kingdom (33). Every historic preservation societies list by country and city is linked on this page.

Which city has the most historic preservation societies?

Washington leads with 9 company records, followed by London (8) and New York (7).

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 1,548 professional contacts with verified work emails tracked across these 438 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 20, 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.