| 1 | National Fish and Wildlife Foundation Washington | $657.9M | $513.2M | $3.1B |
| 2 | Defenders of Wildlife Washington | $83.8M | $48.6M | $65.5M |
| 3 | American Humane Association Washington | $54.6M | $36.6M | $46.2M |
| 4 | African Wildlife Foundation Washington | $38.7M | $37.3M | $54.8M |
| 5 | Humane World for Animals International Washington | $35.1M | $35.1M | $5.7M |
| 6 | Jane Goodall Institute for Wildlife Research Education & Conservation Washington | $31.0M | $30.6M | $22.6M |
| 7 | Washington Humane Society the Society for the Prevention of Washington | $30.4M | $23.8M | $45.9M |
| 8 | Frankfurt Zoological Society US INC Washington | $12.1M | $12.1M | $8.4M |
| 9 | Resolve INC Washington | $10.3M | $9.9M | $15.0M |
| 10 | Conservation X Labs INC Washington | $9.1M | $9.1M | $4.6M |
| 11 | Animal Welfare Institute Washington | $8.6M | $6.2M | $27.5M |
| 12 | Theodore Roosevelt Conservation Partnership INC Washington | $8.5M | $8.2M | $7.4M |
| 13 | Green America Washington | $7.7M | $5.2M | $15.7M |
| 14 | The White Coat Waste Project INC Washington | $6.7M | $5.9M | $4.6M |
| 15 | Humane World Actin Fund Washington | $6.3M | $6.3M | $11.4M |
| 16 | The Wilderness Project Foundation Washington | $4.9M | $4.9M | $2.8M |
| 17 | Animal & Vegan Advocacy International INC Washington | $2.6M | $2.6M | $1.4M |
| 18 | Conservation Nation Washington | $2.5M | $1.2M | $5.8M |
| 19 | Wildlife Guardians Washington | $2.5M | $2.5M | $7.4M |
| 20 | Whale Sanctuary Project Washington | $2.3M | $2.3M | $2.4M |
| 21 | The Nonhuman Rights Project INC Washington | $2.2M | $2.2M | $4.1M |
| 22 | The Humane Society Wildlife Land Tr Washington | $2.0M | $658K | $21.1M |
| 23 | National Wildlife Refuge Association Washington | $1.7M | $1.6M | $536K |
| 24 | Human Animal Bond Research Foundation Washington | $1.6M | $1.6M | $1.4M |
| 25 | Animal Rescue Corps INC Washington | $1.3M | $1.3M | $1.0M |
| 26 | City Dogs Rescue Washington | $1.2M | $1.2M | $2.3M |
| 27 | Food Animal Concerns Trust Washington | $1.0M | $902K | $1.2M |
| 28 | Endangered Species Coalition Washington | $891K | $891K | $355K |
| 29 | Americas Wildlife Association for Resource Education Aware Washington | $794K | $682K | $569K |
| 30 | Elephantvoices Washington | $663K | $663K | $1.1M |
| 31 | Bonobo Conservation Initiative Washington | $415K | $415K | $99K |
| 32 | National Turkey Federation Foundation Washington | $407K | $83K | $3.5M |
| 33 | Life Long Paws Foundation Washington | $355K | $355K | $250K |
| 34 | Alkylphenols & Ethoxylates Research Council INC Washington | $355K | $355K | $275K |
| 35 | Lailas Legacy Animal Rescue INC Washington | $191K | $191K | $3K |
| 36 | Smarter Health Care Coalition Washington | $134K | $134K | $197K |
| 37 | Friends of Cswct Washington | $124K | $124K | $71K |
| 38 | Center for Conservation Peacebuilding Washington | $120K | $120K | $206K |
| 39 | Tail Wags & Book Bags Washington | $106K | $106K | $27K |
| 40 | Dc Voters for Animals Education Fund Washington | $89K | $89K | $1 |
| 41 | Safari Club International Foundation Washington | $86K | -$12K | $36K |
| 42 | East Coast Corgi Rescue Washington | $60K | $60K | $101K |
| 43 | American Bird Conservancy Action Fund Washington | $51K | $51K | $26K |
| 44 | American Veterinary Medical Law Association Washington | $18K | $18K | $2K |
| 45 | Beowulf House Washington | $3K | $3K | $321K |
| 46 | Defenders of Wildlife Action Fund Washington | $1K | $1K | $267K |
| 47 | Potomac Highlands Beekeepers Association Washington | $0 | $0 | $0 |
| 48 | Newark Street Park K-9 Friends Washington | $0 | $0 | $0 |
| 49 | Friends of Dc Animals Washington | $0 | $0 | $0 |
| 50 | Khloes Second Chance Washington | $0 | $0 | $0 |