Private company
Zoological Society of San Diego
Logo: San Diego Zoo Global, Public domain, via Wikimedia Commons4
Nonprofit organization in the U.S.
The San Diego Zoo Wildlife Alliance is a nonprofit organization headquartered in San Diego, California, that operates the San Diego Zoo and the San Diego Zoo Safari Park. Founded in 1916 as the Zoological Society of San Diego under the leadership of Harry M. Wegeforth, the organization claims the largest zoological society membership in the world, with more than 250,000 member households and 130,000 child memberships, representing more than half a million people.2 Its revenue was $438 million in 2024.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersSan Diego1
- Websitezoo.sandiegozoo.org
- Legal form501(c)(3) organization1
- LEI549300GR2LKYQKPB6U323
- StatusActive3
- LEI statusLapsed (not renewed)3
- Registered addressC/O WENDY BULGER, 92101 San Diego, United States3
- Registered withSecretary of State, 00834323
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The San Diego Zoo Wildlife Alliance is a nonprofit organization headquartered in San Diego, California, that operates the San Diego Zoo and the San Diego Zoo Safari Park. Founded in 1916 as the Zoological Society of San Diego under the leadership of Harry M. Wegeforth, the organization claims the largest zoological society membership in the world, with more than 250,000 member households and 130,000 child memberships, representing more than half a million people.2
Corporate structure
Zoological Society of San Diego sits at the top of its group. 4 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Zoological Society of San Diego San Diego, California, United States
- San Diego Zoo Subsidiary · San Diego, United States
- San Diego Zoo Institute for Conservation Research Subsidiary · Escondido, United States
- San Diego Zoo Safari Park Subsidiary · California, United States
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.
Subsidiaries and ownership
Subsidiaries
- San Diego Zoo
- San Diego Zoo Institute for Conservation Research
- San Diego Zoo Safari Park
From Wikidata.1
Revenue over time
As stated on Wikidata, in the currency reported.
Revenue
Timeline
- 1916Founded Founded1
Funding
Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.
- Federal grants $60.1M
- Other federal assistance $10.1M
- Federal contracts $3.8M
Figures by year
| Year | Federal grants | Other federal assistance | Federal contracts | Total |
|---|---|---|---|---|
| 2026 | $3.2M | – | – | $3.2M |
| 2025 | $4.0M | – | $2.2K | $4.0M |
| 2024 | $8.2M | – | $26.6K | $8.2M |
| 2023 | $9.0M | – | $8.1K | $9.0M |
| 2022 | $6.7M | – | – | $6.7M |
| 2021 | $4.4M | $10.0M | $172.1K | $14.6M |
| 2020 | $3.7M | – | $28.7K | $3.7M |
| 2019 | $1.8M | $38.8K | – | $1.9M |
| 2018 | $3.5M | $48.4K | $25.3K | $3.5M |
| 2017 | $3.0M | – | – | $3.0M |
| 2016 | $2.9M | – | $38.4K | $3.0M |
| 2015 | $2.3M | – | – | $2.3M |
| 2014 | $3.9M | – | – | $3.9M |
| 2013 | $2.1M | – | – | $2.1M |
| 2012 | $120.7K | – | $743.1K | $863.8K |
| 2011 | $307.0K | – | $1.3M | $1.6M |
| 2010 | $23.7K | – | $684.0K | $707.7K |
| 2009 | $25.0K | – | $82.8K | $107.8K |
| 2008 | $926.9K | – | $601.5K | $1.5M |
Federal awards
Obligated amounts from USAspending.gov5, by calendar year, 2008–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.
Largest grants
- Jul 11, 2022$5.2M from Department of the Army: Conservation And Rehabilitation Of Natural Resources On Military Installations6 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award W9126G2220017
- Oct 1, 2016$4.3M from U.S. Fish and Wildlife Service: Endangered Species Conservation Recovery Implementation Funds; Endangered Species Conservation – Recovery Implementation Funds; Endangered Species Recovery Implementation7 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award F16AC00847
- Sep 19, 2022$3.9M from Department of the Army: Conservation And Rehabilitation Of Natural Resources On Military Installations8 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award W9126G2220019
- Oct 1, 2023$3.2M from U.S. Fish and Wildlife Service: Endangered Species Recovery Implementation9 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award F23AC01984
- Jun 1, 2021$3.1M from U.S. Fish and Wildlife Service: Endangered Species Recovery Implementation10 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award F21AP01583
- May 8, 2017$3.0M from Department of the Army: Basic And Applied Scientific Research11 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award W9126G1720003
- Oct 1, 2013$2.8M from U.S. Fish and Wildlife Service: Endangered Species Conservation - Recovery Implementation Funds; Endangered Species Conservation - Recovery Implementation Funds; Endangered Species Conservation – Recovery Implementation Funds12 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award F13AC00468
- Feb 1, 2022$2.0M from U.S. Fish and Wildlife Service: Endangered Species Recovery Implementation13 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award F22AC00709
Largest direct payments
- Jul 3, 2021$10.0M from Small Business Administration: Shuttered Venue Operators Grant Program14 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award SBAHQ21SV000866
Largest contracts
- Jan 31, 2005$2.9M from Department of the Navy: Navfac engineering field divisii zoological society of san dieg zoo drive san diego ca san diego san diego california environmental studies 15 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award N6871105C5003
- Feb 15, 2010$2.7M from Department of the Navy: Loggerhead shrike breeding, san clemente island, ca16 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award N6247310C0003
- Mar 9, 2021$121.4K from U.S. Geological Survey: Services to support usgs desert tortoise head start program research at edwards air force base17 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award 140G0321P0061
- Jan 5, 2024$23.5K from U.S. Fish and Wildlife Service: Ca-spider monkey quarantine and veterinary services18 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award 140FS124P0033
- Jan 4, 2021$16.5K from U.S. Fish and Wildlife Service: Ca-spec agnt-s ca ole-san diego zoo19 To ZOOLOGICAL SOCIETY OF SAN DIEGO Award 140F0521P0062
Links
- Websitezoo.sandiegozoo.org1
- X (Twitter)x.com/sandiegozoo1
- Facebookwww.facebook.com/sandiegozoo1
- WikipediaSan Diego Zoo Wildlife Alliance
- More imagesWikimedia Commons
- WikidataQ8074119
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3
- 4
- 5
- 6USAspending.govW9126G2220017: Department of the Army
- 7USAspending.govF16AC00847: U.S. Fish and Wildlife Service
- 8USAspending.govW9126G2220019: Department of the Army
- 9USAspending.govF23AC01984: U.S. Fish and Wildlife Service
- 10USAspending.govF21AP01583: U.S. Fish and Wildlife Service
- 11USAspending.govW9126G1720003: Department of the Army
- 12USAspending.govF13AC00468: U.S. Fish and Wildlife Service
- 13USAspending.govF22AC00709: U.S. Fish and Wildlife Service
- 14USAspending.govSBAHQ21SV000866: Small Business Administration
- 15USAspending.govN6871105C5003: Department of the Navy
- 16USAspending.govN6247310C0003: Department of the Navy
- 17USAspending.gov140G0321P0061: U.S. Geological Survey
- 18USAspending.gov140FS124P0033: U.S. Fish and Wildlife Service
- 19USAspending.gov140F0521P0062: U.S. Fish and Wildlife Service