GL Sciences: Inertsil
- HPLC columns with a range of phases for analysis of pharmaceuticals and other chemcials, ranging in scale from capillary to prep, including proteomics products for analysis of phosphopeptides and in-tip tryptic digestion.
- http://www.inertsil.com/

Polygran Ltd.
- Develops chromatographic resins and methods for economic, direct purification of macromolecules from diverse biological fluids. Overview of sorbents, applications, and company in Haifa, Israel.
- http://www.pgran.com/

Aura Industries, Inc.
- Manufacturer and distributor of HPLC accessories, including column jackets, filter degasser, post-column photochemical reactors, knitted reactor coils and delay tubes. Based in New York City.
- http://www.aura-inc.com/

SIELC Technologies
- Mixed-mode HPLC columns combining ion-exchange and reverse-phase chemistry on the silica support, for separation and retention of ionizable, neutral, polar, and non-polar compounds. Primesep and Promix brands from Prospect Heights, Illinois.
- http://www.sielc.com/

Tosoh Bioscience LLC
- Established manufacturer of stationary phases now offering instrumentation, diagnostic kits and polymers. Includes product range, HPLC applications database, global contacts and links to corporate headquarters in Tokyo, Japan.
- http://www.tosohbioscience.com/

Kinesis Solutions Ltd.
- Specialize in consumables and HPLC spare parts from Cambridgeshire, England.
- http://www.kinesis-solutions.co.uk/

Thomson Instrument Company
- HPLC accessories, such as columns, reagents and software, with support equipmnent, such as reactors for small scale combinatorial chemistry. Contacts in Chantilly, Virginia and Oceanside, California.
- http://www.hplc1.com/

TimTec
- HPLC columns, custom packing materials, compound libraries, and other services useful for the analytical research lab.
- http://www.hplcweb.com/

Velocity
- Quick-connect analytical columns for LC-MS and drug discovery HPLC column design Optimize Technologies, Inc. Oregon City.
- http://www.optimizetech.com/

Upchurch Scientific
- Manufacturer of chromatography fittings, tubing and accessories for the HPLC systems. Offers technical support, including materials compatibility guide, online purchase, and overview of the company in Oak Harbor, Washington.
- http://www.upchurch.com/

Polymer Laboratories
- Develops techniques and instruments for the characterization of polymers, and applications as column packings, diagnostics, and pharmaceutical devices. Offers worldwide technical support, based in Church Stretton, with offices in Europe and USA.
- http://www.polymerlabs.com/

Chemical Solutions
- Qualification kits for HPLC and UV-vis spectrometers, providing instrument verification. Includes MSDS, ordering information and contacts in South New Berlin, New York.
- http://www.chemicalsolutionsinc.com/

HPLC Technology Co., Ltd.
- HPLC columns and accessories, with worldwide distribution, from Welwyn Garden City, England.
- http://www.hplc.co.uk/

ZirChrom Separations Inc.
- Offers a line of RPC, NPC and IEC zirconia-based HPLC and LC-MS reverse-phase columns, from Anoka, Minnesota.
- http://www.zirchrom.com/

Sci-Con
- Distributor of systems, components and columns, with links to manufacturers, and ordering from Winter Park, Florida.
- http://www.scicon.net/

Higgins Analytical, Inc.
- HPLC column and cartridge manufacturer ranging from nanobore (0.15mm) to 20mm internal diameters, in both stainless steel and PEEK. Based in Mountain View, California.
- http://www.higanalyt.com/

Hichrom Ltd.
- Manufacturer of HPLC columns, packing other brands and distributing LC accessories as part of a worldwide network. Online catalog and ordering, from Reading, England.
- http://www.hichrom.co.uk/

Grace Vydac
- Manufactures polymer and silica-based packed HPLC columns and media to scientists in chemical, biochemical, genomic, and proteomics laboratories. Includes specifications, applications and international distributors.
- http://www.vydac.com/

Diazem Corp.
- Offers patented technology for immobilizing chemistry onto organic and inorganic surfaces for tailored adsorbents. Includes specification of packings, prices, and information to order from Midland, Michigan.
- http://www.diazem.com/

Column-Engineering.com
- Supplying a wide range of HPLC packing materials and columns in Ontario, California.
- http://www.column-engineering.com/

BIA Separations
- Convective interaction media chromatographic porous monolithic polymer supports for fast LC separation and purification of biomolecules. Overview of packings, related articles and contacts in Ljubljana, Slovenia.
- http://www.biaseparations.com/

Benson Polymeric , Inc.
- Resins, polymers and columns for HPLC of carbohydrate, organic acid, rapid alcohol, ion-exchange and porous reverse phase. Includes column repacking service contacts for worldwide dealers of manufacturer in Reno, Nevada.
- http://www.bensonpolymeric.com/

Bear Creek Scientific, LLC.
- Online ordering of HPLC parts and services, by brand, manufacturer or system component, from Redmond, Washington.
- http://www.bearcreekscientific.com/

Analtech
- TLC plates, accessories and consumables from Newark, Delaware.
- http://www.analtech.com/

Organicphase Inc.
- Offers polystyrene based, USP L21 type HPLC columns and packing materials. Includes sample chromatograms, pharmacopoeial and other testing in Paterson, New Jersey.
- http://www.organicphase.com/