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

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/

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

Selerity Technologies
Manufacturer of supercritical fluid chromatography (SFC) and liquid chromatography (HPLC) equipment and columns. High temperature HPLC. Secure-fit zero dead volume connectors.
http://www.selerity.com/

Public Chromatography Applications Database
The Public Chromatography Applications Database under ACD/Web Librarian contains applications provided by Agilent, Alltech, Eprogen (Eichrom), GL Sciences, Hamilton, Grace Vydac, Polymer Laboratories, and Regis. The database can be searched by numerous chromatographic parameters, as well as by structure, substructure, and structural similarity.
http://www.chromdb.com