State listings are in zip code order.

Alabama   •  Alaska   •  Arizona   •  Arkansas   •  California   • 

Colorado   •  Connecticut   •  Delaware   •  Florida   •  Georgia   • 

Hawaii   •  Idaho   •  Illinois   •  Indiana   •  Iowa   •  Kansas   • 

Kentucky   •  Louisiana   •  Maine   •  Maryland   •  Massachusetts   • 

Michigan   •  Minnesota   •  Mississippi   •  Missouri   •  Montana   • 

Nebraska   •  Nevada   •  New Hampshire   •  New Jersey   • 

New Mexico   •  New York   •  North Carolina   •  North Dakota   • 

Ohio   •  Oklahoma   •  Oregon   •  Pennsylvania   •  Rhode Island   • 

South Carolina   •  South Dakota   •  Tennessee   •  Texas   •  Utah   • 

Vermont   •  Virginia   •  Washington   •  West Virginia   •  Wisconsin   • 

Wyoming

A list of research facilities in the United States is available from the U.S. Department of Agriculture (this list does not include institutions that use only “nonregulated species,” such as mice, rats, birds, frogs and fish).