Agilent Technologies (home.agilent.com)
Affymetrix (www.affymetrix.com)
Howard Hughes Medical Institute; BioInteractive (www.hhmi.org/biointeractive)
National Center for Biotechnology Information (www.ncbi.nlm.nih.gov/)
Gene Ontology Tools (www.geneontology.org/GO.tools.shtml)
Bioconductor (www.bioconductor.org/)
Illuminia (www.illumina.com/)
DAVID Bioinformatic Resources (david.abcc.ncifcrf.gov/)
WebArray (webarraydb.org/webarray/index.html)
New England Biolabs (www.neb.com/)
Integrated DNA Technologies (www.idtdna.com)
DNA 2.0 (www.dna20.com/)
rVista (rvista.dcode.org)
UCSC Genome Bioinformatics (genome.ucsc.edu)
TRANSFAC (www.gene-regulation.com)