| Zoo Name | # of Animals | City/State | Link to Website |
| San Diego Zoo | 4473 in 897 species | San Diego, CA | San Diego Zoo |
| Brookfield Zoo | 5274 in 462 species | Brookfield, IL (Chicago) | Brookfield Zoo |
| San Diego Wild Animal Park | 3416 in 445 species | Escondido, CA | San Diego Wild Animal Park |
| SeaWorld San Antonio | 5696 in 281 species | San Antonio, TX | SeaWorld San Antonio |
| Albuquerque Biological Park | 1172 in 272 species | Albuquerque, NM | Albuquerque Biological Park |
| Pittsburgh Zoo & Aquarium | 3350 in 304 species | Pittsburgh, PA | Pittsburgh Zoo & Aquarium |
| Busch Gardens Tampa Bay | 12,286 in 296 species | Tampa, FL | Busch Gardens Tampa Bay |
| Steinhart Aquarium | 6430 in 663 species | San Francisco, CA | Steinhart Aquarium |
| National Zoological Park | 2700 in 435 species | Washington, D.C. | National Zoological Park |
| Bronx Zoo | 4219 in 532 species | Bronx, NY | Bronx Zoo |
| SeaWorld San Diego | 17,171 in 662 species | San Diego, CA | SeaWorld San Diego |
| Waikiki Aquarium | 2293 in 425 species | Honolulu, HI | Waikiki Aquarium |
| Oklahoma City Zoological Park | 2033 in 540 species | Oklahoma City, OK | Oklahoma City Zoological Park |
| Phoenix Zoo | 1101 in 308 species | Phoenix, AZ | Phoenix Zoo |
| SeaWorld Orlando | 8476 in 304 species | Orlando, FL | SeaWorld Orlando |
| New England Aquarium | 9760 in 613 species | Boston, MA | New England Aquarium |
| Shedd Aquarium | 19,643 in 1521 species | Chicago, IL | Shedd Aquarium |
| Saint Louis Zoological Park | 4537 in 657 species | St. Louis, MO | Saint Louis Zoological Park |
| Kansas City Zoo | 1096 in 247 species | Kansas City, MO | Kansas City Zoo |
| New Jersey State Aquarium | 4000 in 500 species | Camden, NJ | New Jersey State Aquarium |
| San Antonio Zoological Gardens & Aquarium | 2812 in 709 species | San Antonio, TX | San Antonio Zoological Gardens & Aquarium |
| Monkey Jungle | 10367 in 53 species | Miami, FL | Monkey Jungle |
| North Carolina Zoological Park | 1149 in 212 species | Asheboro, NC | North Carolina Zoological Park |
| Indianapolis Zoological Society, Inc. | 3067 in 368 species | Indianapolis, IN | Indianapolis Zoological Society, Inc. |
| Milwaukee County Zoological Gardens | 1832 in 373 species | Milwaukee, WI | Milwaukee County Zoological Gardens |
| Lincoln Park Zoo | 722 in 186 species | Chicago, IL | Lincoln Park Zoo |
| Houston Zoo | 3283 in 681 species | Houston, TX | Houston Zoo |
| National Aquarium in Baltimore | 7439 in 523 species | Baltimore, MD | National Aquarium in Baltimore |
| Fort Worth Zoo | 4403 in 643 species | Fort Worth, TX | Fort Worth Zoo |
| Denver Zoological Gardens | 1461 in 366 species | Denver, CO | Denver Zoological Gardens |
| Memphis Zoo | 2500 in 450 species | Memphis, TN | Memphis Zoo |
| Dallas Zoo | 8000 in 390 species | Dallas, TX | Dallas Zoo |
| Cleveland Metroparks Zoo | 2207 in 602 species | Cleveland, OH | Cleveland Metroparks Zoo |
| Cincinnati Zoo & Botanical Garden | 2159 in 618 species | Cincinnati, OH | Cincinnati Zoo & Botanical Garden |