The American Institute of Biological Sciences (AIBS) is a nonprofit scientific association dedicated to advancing biological research and education for the welfare of society.

European Bioinformatics Institute (EBI) is a centre for research and services in bioinformatics. The Institute manages databases of biological data including nucleic acid, protein sequences and macromolecular structures.

The National Academy of Sciences (NAS) is an honorific society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare.

The National Center for Biotechnology Information (NCBI) advances science and health by providing access to biomedical and genomic information. Resources available through NCBI include BLAST, Entrez, GenBank, Genome, Nucleotide Database, PubMed, and many more.

National Center for Genome Resources contains information and links to various genome related projects

The mission of the National Human Genome Research Institute (NHGRI) encompasses a broad range of studies aimed at understanding the structure and function of the human genome and its role in health and disease.

NSF is an independent federal agency created by Congress in 1950 "to promote the progress of science." NSF is the only federal agency whose mission includes support for all fields of fundamental science and engineering, except for medical sciences.

The Protein Information Resource (PIR) is an integrated public bioinformatics resource to support genomic, proteomic and systems biology research and scientific studies.

ToL is a collaborative effort of biologists and nature enthusiasts from around the world to provide information about biodiversity, the characteristics of different groups of organisms, and their evolutionary history. ToL pages are linked one to another hierarchically, in the form of the evolutionary tree of life, illustrating the genetic connections between all living things.