Ambion - Molecular biology kits, especially for RNA work
Amersham Biosciences - Molecular biology reagents, kits, equipment. What happended to Pharmacia?
bioWORLD - Molecular biology reagents and lab supplies
Books:
Epicentre - Molecular Biology kits, etc. - Now (finally) have online ordering and take my AmEx purchasing card (yahoo)!
Fermentas - Restriction enzymes and other molecular biology supplies from Lithuania
Fisher Scientific - Everything you always wanted for the lab, unless you can get the same thing cheaper from VWR (see below).
Incyte Genomics - high-density blots of (among others) C. elegans and C. briggsae genomic clones (Incyte bought Genome Systems)
Invitrogen - Restriction enzymes, competent cells, custom oligonucleotide primers, TOPO cloning kits, etc. Now includes the former Life Technologies, GIBCO and BRL. When are these guys going to stop merging?
Places to buy stuff for your Macintosh (yeah, OK, I'm a Mac-o-phile):
Places for Macintosh advice, help, news, specifications, etc.:
New England Biolabs, Inc. - great restriction enzymes, etc.
Promega - the usual molecular biology reagents
Qbiogene - merger of Bio101, famous for "GeneClean," and Quantum Biotechnologies
Qiagen - maker of fine nucleic acid purification products, etc.
RPI - Research Products International, Corp. - molecular reagents and lab equipment
Research Genetics - genomics resources, including C. elegans "GenePairs" primers
Retrogen - local San Diego company for custom molecular services, like sequencing
Roche Applied Science - Restriction enzymes, non-radioactive nucleotide detection kits, etc. - includes the former Boehringer Mannheim Biochemicals
Sigma Aldrich - you can get almost any chemical from these folks. Sigma & Aldrich used to be separate companies.
Sigma Genosys - inexpensive oligos, etc.
secure online ordering
Stratagene - molecular biology reagents
Tocris - neurochemicals and biochemicals, including some really cool neurotoxins
Tritech Research, Inc. - Great stuff for worm researchers and others, home of "The Cloning Gun"
USA Scientific, Inc. - disposable plastics, other labwares
VWR Scientific Products - Everything you always wanted for the lab, unless you can get the same thing cheaper from Fisher Scientific (see above).