Jeol USA
- Manufactures a range of magnetic sector mass spectrometers ranging from small benchtop double-focusing magnetic sector instruments to larger tandem and hybrid instruments.
- http://www.jeol.com/tabid/96/Default.aspx

Instrument Science
- Manufacture and supply of MS systems for trace and isotopic gas analysis. Includes technical overview and related links, with support from Eaton, Ohio and Crewe, England.
- http://www.instrumentscience.com/

Prosolia, Inc.
- Commericial outlet for Purdue research on ion sources, miniaturization for mobile spectrometers. Includes applications, training links, careers and directions to Indianapolis, Indiana.
- http://www.prosolia.com/

Bruker Daltonics Inc.
- Mass spectrometers MALDI-TOF/TOF, FTMS, ESI-Ion Trap, ESI-LC/TOF, and ESI-Q-q-TOF and mobile analyzers, with automated sample processing systems and software, for biochemical, pharmaceutical and environmental applications.
- http://www.bdal.com/

MDS Sciex
- Researches, designs and produces mass spectrometers and systems used in drug discovery, analysis of proteins, and screening for impurities in microchip manufacture. Includes corporate overview, and contacts in South San Francisco, California.
- http://www.mdssciex.com/

Syft Technologies Ltd.
- Inventor and manufacturer of selected ion flow tube (SIFT)-MS, delivering real-time volatile organic carbon analysis from whole air. Includes examples of applications, systems, supporting documentation, contacts in Europe, North American and head office i
- http://www.syft.com/

Mass Spectrometry International Ltd.
- Design, manufacturing, sales and service of sector mass spectrometers, with electronic life extension upgrade packages for OEM's and local build. Introduction to systems and company in Altrincham, England.
- http://www.massint.co.uk/

Thermo Electron Corp.
- Manufacturer of Finnigan LTQ, LCQ, quad electrospray, TOF MS, and MS/MS using ion trap, and proprietary software for identification and proteomics. Global coverage, with online ordering of accessories and kits from San Jose, California.
- http://www.thermo.com/com/cda/category/category_lp/1,2152,64,00.html

Hiden Analytical Ltd.
- Quadrupole mass spectrometers for vacuum, plasma, residual gas and surface analysis. Includes specifications, applications and reference archive, with directions to headquarters in Warrington, England.
- http://www.hidenanalytical.com/

Shimadzu Biotech
- Manufacturers and markets MALDI-TOF mass spectrometers, designed for analyses in life science and drug discovery, such as peptide fingerprinting, through worldwide subsidiaries, from headquarters in Kyoto, Japan.
- http://www.shimadzu-biotech.net/

Ionics Mass Spectrometry Group, Inc.
- Offer technical innovation, component design, development and experimentation with LC/MS and LC/MS/MS, by collaborating directly with laboratories in private, academic and government research from Concord, Canada.
- http://www.ionics.ca/

Dephy Technologies
- Manufacturer of MS ionisation probe and TOF instrumentation, based in metastable atom bombardment. Includes articles on chemical, microbiological pyrolysis and proteomics applications, details of software for chromatography and robotics, and contacts in
- http://www.dephy.com/

Thermolinear GmbH.
- Develops and manufacture Wien-filter isotope mass spectrometer, for analysis in the range from 5 to 350 amu. Includes overview of company, instrument components and upgrades available from Bremen, Germany.
- http://www.thermolinear.de/

MS-Service W. Lehmann
- Offers GC/MS repair and maintenance services for MAT, Finnigan and Varian instruments, spare parts, upgrades, second-hand GC/MS systems, second-hand turbo-pumps and controller, new PC data system, from Weggis, Switzerland.
- http://www.ms-service.ch/

MasCom GmbH.
- Offers mass spectrometer spare parts and filament repair, multiplier, forepump, turbopump, vacuum flange, GC accessories, GC column and servicing, from Bremen, Germany.
- http://www.mascom-ms.de/

Ionoptika Ltd.
- Manufacturer of ion beam systems and guns for SIMS, ToF, and surface analysis. Includes company profile, parts catalog, service and upgrade contacts in Southampton, England.
- http://www.ionoptika.com/

Advion BioSciences
- Developer of automated, chip-based mass spectrometry technology, offering contract bioanalytical services to the pharmaceutical industry. Publications available by registration, other details from Ithaca, NY and Norfolk, UK.
- http://www.advion.com/

New Objective, Inc.
- Resources focusing on electrospray, with explanation of application in nanobore chromatography. Features products, events, offers technical support and contacts in Woburn, Massachusetts.
- http://www.newobjective.com/

Ionicon Analytik GmbH.
- Proton transfer reaction mass spectrometers, with publications and applications for a variety of organic compounds, including presence at pptv detection in air. Contacts in Innsbruck, Austria.
- http://www.ptrms.com/

Phoenix S&T, Inc.
- Array of nanospray nozzles, with reservoir and sample input interface, on a micromolded polypropylene chip to co-exist with conventional ESI for back-to-back testing. Contacts in Elkton, MD.
- http://www.phoenix-st.com/

Agilent Technologies
- MS systems using capillary electrophoresis, GC and LC delivery, with TOF, ICP-MS, electrospray, including ion trap for MS/MS.
- http://www.chem.agilent.com/

Micro-Tech Scientific, Inc.
- Micro/capillary LC, control software, MALDI and 2D proteomic system, and online ordering from Vista, CA.
- http://www.microlc.com/

AddMS
- Manufacturer of Helium leak detector and residual gas analyzer mass spectrometers. Small size is the key characteristic.
- http://home.flash.net/~acqsol/addms.htm

Vacuum Technology Inc.
- Manufacturer of magnetic-sector MS, applied to residual gas analyzers, leak testing and vacuum systems for other applications. Offers courses, leak detection, calibration and repair services from Oak Ridge, Tennessee.
- http://www.vacuumtechnology.com/

ETP Electron Multipliers
- Online ordering, technical support and troubleshooting for Mass Spectrometry products.
- http://www.etpsci.com/

Syagen Technology, Inc.
- Focusing on high-throughput molecular analysis, using their atmospheric pressure photoionization source, for detection of explosives and chemical agents, in aviation security and chemical defense. Also details of applications in drug discovery programs, a
- http://www.syagen.com/

Ferran Scientific, Inc.
- residual gas analyzers (RGA) based on a Micropole quadrupole sensor array.
- http://www.ferran.com/

LECO Corporation
- Manufactures and markets Scientific Analytical instruments for various analytical requirements including high speed TOF-ICP-MS, GC-MS and LC-MS.
- http://www.leco.com/

Kratos Analytical
- reflectron MALDI TOF
- http://www.kratos.com/

Kore Technology Limited
- Secondary Ion TOF, Portable mass analyser.
- http://www.kore.co.uk/index.html

BME - Bergmann Messgeraete
- Manufacturer of time-of-flight mass spectrometers.
- http://www.bme-bergmann.de/

ION-TOF GmbH
- Manufacturer of time-of-flight secondary ion mass spectrometers (TOF-SIMS) for surface analysis.
- http://www.ion-tof.com

Comstock Incorporated
- Time-of-Flight Mass Spectrometers
- http://www.comstockinc.com/

Analytica of Branford, Inc.
- Electrospray ionization and time-of-flight mass spectrometry.
- http://www.aob.com/

AMD Intectra GmbH:
- The Innovators in magnetic sector mass spectrometry offers mass spectrometers, including low cost bench top design and upgrade modules (Electrospray, PC data system, e.g.) for many sector instruments.
- http://www.amd-intectra.de/