Spectrum Chromatography
Spectrum Chromatography manufactures a complete line of instruments, columns, and syringes for low-pressure liquid chromatography.
http://www.lplc.com/

Thermo: Chromatography
Major instrument and column manufacturer for HPLC, GC and ion chromatography as well as hyphenated techniques.
http://www.thermo.com/com/cda/category/category_lp/0,2152,64,00.html

Phenomenex
Phenomenex Chromatography supplier for HPLC, GC and Sample Preparation consumables
http://www.phenomenex.com/

Chromatography Technology Services Corp.
CTS offers support for chromatography instruments, including parts, repair, reconditioning and used equipment from Burnsville, Minnesota
http://ctshplc.com/

Chromalytic Technology
Large variety of chromatography products, columns; GC,HPLC and Low Pressure LC, instrumentation, Fluid transfer products
http://www.chromtech.net.au/

Chromatography Forum
LC-GC magazine's message boards for jobs, advice on all types of chromatography, with archives back to 1999, and feedback on DryLab, sponsored by its marketer, LC Resources Inc. from Amity, OR.
http://www.chromatographyforum.com/

Journal of Chromatography A
Papers on all aspects including chromatography, electrochromatography, electrophoresis, sample preparation, hyphenated and other multi-dimensional techniques, and detection methods such as mass spectrometry.
http://www.elsevier.com/wps/find/journaldescription.cws_home/502688/description#description

Separation of Enantiomers by Chiral Chromatography
Comprehensive application guide to chiral chromatography, from ChromTech Ltd, Congleton, England.
http://www.chromtech.se/

Achrom NV.
Distributor of gas and liquid chromatography accessories, including mass spectrometry. Based in Zulte, Belgium. [English and Dutch]
http://www.achrom.be

Platinum Chromatography, Inc.
Used analytical laboratory equipment, including ion chromatography equipment. Services include on-site repair, exchanges, and method development.
http://platinumchromatography.com/