| Organizations performing similar types of work |
| Id | Name | Address | State | Established | Total Income |
| 1 | Norman Bird Sanctuary Trust | 583 Third Beach Rd, Middletown, RI 02842-5738 | RI | 1988-03 | $866,903 |
| 2 | Owls Hill Nature Sanctuary Inc | 545 Beech Creek Rd S, Brentwood, TN 37027-3431 | TN | 2007-01 | $1,370,450 |
| 3 | Owls Club International Inc, Owls Nest Recovery Center | PO BOX 7607, Florence, SC 29502-7607 | SC | 2002-03 | $685,610 |
| 4 | Environment For The Americas Inc | 2840 Iliff St, Boulder, CO 80305-7022 | CO | 2008-04 | $374,106 |
| 5 | Phoenix Landing Foundation | PO BOX 1233, Asheville, NC 28802-1233 | NC | 2000-11 | $217,540 |
| 6 | Animal Rescue Kompany | 29878 Yorkton Rd, Murrieta, CA 92563-4748 | CA | 2006-03 | $212,173 |
| 7 | Eastern Bluebird Rescue Group Inc | 190 Newell Road, Warrenton, NC 27589 | NC | 2005-02 | $174,578 |
| 8 | International Center For Birds Of Prey | PO BOX 1247, Charleston, SC 29402-1247 | SC | 2005-01 | $156,693 |
| 9 | Feathered Friends Forever | 612 Byrd Dr, Harlem, GA 30814-3422 | GA | 2003-06 | $149,956 |
| 10 | Kelley Bartlett Conservancy | 2050 Meriwether Rd, Pike Road, AL 36064-1772 | AL | 2005-11 | $101,063 |
| 11 | Millersville Area Meals On Wheels | 121 N George St, Millersville, PA 17551-1806 | PA | 2001-09 | $100,791 |
| 12 | Animal Rescue Center Inc | PO BOX 110685, Cleveland, OH 44111-0685 | OH | 2003-02 | $95,097 |
| 13 | Friends Of Great Swamp National Wildlife Refuge Inc | 241 Pleasant Plains Rd, Basking Ridge, NJ 07920-4036 | NJ | 2000-05 | $74,601 |
| 14 | North American Bluebird Society Inc | PO BOX 7844, Bloomington, IN 47407-7844 | IN | 1978-06 | $71,074 |
| 15 | Joshua Rescue Foundation | 25350 Se Salt Creek Rd, Prineville, OR 97754-9598 | OR | 2001-03 | $67,278 |
| 16 | Ringnecks Forevermore | PO BOX 331, Bertha, MN 56437-0331 | MN | 2006-06 | $48,523 |
| 17 | Hummingbird Farm | PO BOX 1603, Pittsboro, NC 27312-1603 | NC | 1998-11 | $45,064 |
| 18 | Avian Reconditioning Center | PO BOX 296, Apopka, FL 32704-0296 | FL | 2002-05 | $44,595 |
| 19 | Feathered Sanctuary Exotic Bird Rescue Inc | 2911 Willow Street Pike N, Willow Street, PA 17584-9481 | PA | 2009-03 | $44,153 |
| 20 | Hummingbird Monitoring Network | PO BOX 115, Patagonia, AZ 85624-0115 | AZ | 2004-05 | $42,206 |
| 21 | Gulf Coast Exotic Bird Sanctuary | PO BOX 1737, Pearland, TX 77588-1737 | TX | 2007-08 | $40,600 |
| 22 | Owl Ocala Inc | 2020 Sw 5th Ave, Ocala, FL 34471-3634 | FL | 2005-12 | $31,750 |
| 23 | Companion Parrots Re-Home | 321 S Polk St Ste 2c, Pineville, NC 28134-8479 | NC | 2008-07 | $29,815 |
| 24 | Braddock Bay Bird Observatory Inc | PO BOX 12876, Rochester, NY 14612-0876 | NY | 1995-07 | $24,499 |
| 25 | Milos Ranch Inc | 16757 Rustic Rd, Loxahatchee, FL 33470-5034 | FL | 2002-08 | $23,308 |
| 26 | Corona Foundation Inc | 12330 Potomac View Rd, Newburg, MD 20664-6310 | MD | 2004-11 | $15,393 |
| 27 | Flyway Foundation | PO BOX 5997, Columbia, SC 29250-5997 | SC | 2006-02 | $12,582 |
| 28 | Idaho Raptor Rehabiliation Center Inc | 174 22nd St, Kuna, ID 83634 | ID | 2001-04 | $9,885 |
| 29 | Featherheads Inc | 1548 Cherokee Blvd, Elgin, SC 29045-9715 | SC | 2004-01 | $9,072 |
| 30 | Kirtland Bird Club | 4310 Bush Ave, Cleveland, OH 44109-5912 | OH | 2002-04 | $6,513 |
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