Skip to the page
Get started – free

Data / Nonprofits / Tennessee / Knoxville / Animal-related

Animal-related nonprofits in Knoxville, TN: 44 registered with the IRS

44 animal-related nonprofits are registered with the IRS in Knoxville, TN, 41 of them 501(c)(3) charities; the 13 that report revenue took in $27.9 million. The largest by revenue: Knoxville Zoological Gardens Inc ($16.5 million), Young-Williams Animal Center of East Tennessee ($8 million), Humane Society of the Tennessee Valley Inc ($1.5 million).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Get animal-related nonprofits in Knoxville

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Knoxville Zoological Gardens Inc501(c)(3)1980$16.5 million$64.7 million2024-12
Young-Williams Animal Center of East Tennessee501(c)(3)2012$8 million$7 million2025-06
Humane Society of the Tennessee Valley Inc501(c)(3)1983$1.5 million$2.8 million2025-06
Adopt A Golden Knoxville Inc501(c)(3)2011$598,648$729,7862025-12
Tennessee Valley Golden Retriever Rescue501(c)(3)2000$453,246$369,9962025-12
Feral Feline Friends of East Tennessee501(c)(3)2009$242,094$37,4732025-12
Chainfree USA501(c)(3)2021$141,964$102,2782024-12
Peaceful Kingdom501(c)(3)2001$111,180$5,6802025-12
Happy Paws Kitten Rescue501(c)(3)2015$80,828$17,9682025-12
Knox Vintage Pet Project Inc501(c)(3)2022$80,517$16,5022025-12
Volunteer State Doberman Rescue501(c)(3)2018$60,880$15,0952025-12
Animal Care and Control Association of TN Inc501(c)(3)2015$59,924$60,3552025-12
Greyhound Retirement Foundation of Tennessee Inc501(c)(3)2002$35,507$105,3172025-12
Aligncare Health Inc501(c)(3)2023$0$02024-12
American Pet Rescues Inc501(c)(3)2016$0$02025-12
Eagles of the World Foundation Fund501(c)(3)2019$0$02025-12
East Tennessee Border Collie Rescue Inc501(c)(3)2003$0$02025-12
East Tennessee Wild Life Rehabilitation Council501(c)(3)2003$0$02025-12
Exotic Pet Wonderland501(c)(3)2020$0$02025-12
Fighting for the Bullys Pit Bull Rescue501(c)(3)2015$0$02025-12
Friends of Cait Inc501(c)(3)2017$0$02024-12
Gale Loves Dogs Inc501(c)(3)2025
Homeward Equine Rescue Organization Inc501(c)(3)2016$0$02024-12
International Association of Veterinary Rehabilitation and Phys501(c)(3)2015$0$02025-12
Knox County K9 Association501(c)(3)2026$0$02025-12
Knoxville Veterinary Medical Assoc Inc501(c)(4)2002$0$02025-12
Miles To Go Rescue and Re-Purpose501(c)(3)2024$0$02026-01
Millies Place - Furever Home & Rescue Inc501(c)(3)2021$0$02025-12
Mulligans Misfits Dog Hospice501(c)(3)2024$0$02025-12
Operation Bun Bun Rescue Inc501(c)(3)2022$0$02024-12
Partnership for Electronic Training Technology Inc501(c)(6)2014$0$02025-12
Pet Parents for Independent Veterinary Care - Ppivc Inc501(c)(3)2024$0$02024-12
Recycled Best Friends Inc501(c)(3)2022$0$02025-12
Rustic Rover Rescue and Lodge Inc501(c)(3)2019$0$02025-12
Smoky Mountains Bulldog Club Inc501(c)(3)2015$0$02026-04
Smoky Mountains Senior Rescue501(c)(3)2023$0$20,2932025-12
Starlight Farm501(c)(3)2025$0$02025-12
Tennessee Valley Cat Fanciers Term501(c)(4)2025
Tiny Whisker Warriors501(c)(3)2024$0$02025-12
Upnort Working Dog Club501(c)(3)2025$0$02025-12
Victoria Gillenwater Equine Foundation501(c)(3)2011$0$02025-12
Volunteer Equestrian501(c)(3)2024$0$02025-12
Wes Lambert Foundation501(c)(3)2024$0$02025-12
Wild Hearts Refuge501(c)(3)2026$0$02025-12

Other causes in Knoxville, TN

Every nonprofit in Knoxville, TN · Animal-related nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.