- Baseline-Mocon Inc. - Specialists in hydrocarbon analysis for automated processes, industrial hygiene, hazard and emissions monitoring. Includes photoionization sensor for OEM, from Lyons, Colorado.
- Brechbühler AG. - Specialist in system integration, including sample preparation, data handling and support. Features pages on olfactory applications, and offers distribution of related supplies from Schlieren and Geneva, Switzerland.
- Chromatography & Instruments Co. - Manufacturer of GC systems and elemental analysers, with product range and details of the company in Gujarat, India.
- DANI Instruments - Offers automatic sampling systems, high resolution gas chromatographs, analyzers for environmental monitoring and process GC. Based in Cologno Monzese, Italy.
- Datu Inc. - Systems using GC and other forms of analysis to determine sources of olfactory stimuli, aromas or odors. Developed at the Cornell College of Agriculture and Life Sciences, Geneva, New York.
- GOW-MAC Instrument Co. - Manufacturer of gas chromatographs, GC detectors, and analyzers for moisture, aromatic hydrocarbons, total hydrocarbons, binary gas and leak detectors. European and Asian offices, with HQ in Bethlehem, Pennsylvania.
- J & K Scientific - Canadian developer of innovative capillary columns for gas chromatography.
- Makarand Electronics Pvt. Ltd. - Specialist in GC, with LPG, binary and dedicated analysers. Includes details of motorised potentiometer, peripherals, software, accessories, and contacts in Mumbai, India.
- MD Scientific - Danish distributor of high-tech analytical instruments, laboratory equipment and products, specializing in the sale of chromatography instruments and accessories.
- WMA Airsense Analysetechnik GmbH. - Portable electronic noses, with thermal desorption option, available for GC. Also industrial gas sensor array systems. Includes downloadable application notes, contacts in four continents with headquarters in Schwerin, Germany.
