GASCO Precision Gas Mixtures
Precision Calibration Gas Mixtures for all gas detectors. NIST Standards, Flow Regulators, Gas Generators. Accurately calibrate your monitors with GASCO Gas.
http://www.gascogas.com/

Chemgas
Major supplier of enriched noble gas isotopes : helium-3, neon isotopes, krypton isotopes, xenon isotopes and isotopic gas mixtures. Reliable source for metal stable isotopes used in Science, Medecine, Research and Industry.
http://www.helium-3.com

h2m
H2M : A set of MATLAB/OCTAVE functions for the EM estimation of mixtures and hidden Markov models
http://www.tsi.enst.fr/~cappe/h2m

X-Ray Pro
Sells a variety of gas filled proportional counters, with several mixtures of detection gases available.
http://www.kolumbus.fi/x-raypro/docs/xpropo.html

Nan Shun Spring Co., Ltd.
Nan Shun Spring Co., Ltd. - Manufacturer of Precision Springs, Hose Clamp, Hook, Compressed Spring, Forge Swage, Forming Shaping Snap Pin, Spring Pins, Key Chain, Key Holder, Tool Clip, Pin, Tension Spring, Lathe, Hardware, Clips, Clothes Hanger, Clothespins, Hook Ring, Hose Clips, Clamps, Lathe Processing Products in Taiwan and Asia.
http://www.nanshun.com.tw

Nova Gas Technologies, Inc.
Fluorine, Argon, Helium, Neon, Krypton 85, Xenon, excimer laser gas, Lasik eye surgery gas, laser gas, gas mixtures, krypton 85, krypton-85, Krypton-85, KR85
http://www.lasergas.com

Bedfont
Gas monitoring instruments and specialist calibration gas mixtures for medical, scientific and industrial markets throughout the world.
http://www.bedfont.com

Quadrant AG
Quadrant is a successful high-end plastics processor operating on a global scale and occupying leading positions in growing markets
http://www.quadrant.ch/

Marketech International
Marketech offers custom fabricated components and semi-finished stock from tungsten, refractory metals, ceramics, sapphire, heat sinks, crystals.
http://www.mkt-intl.com/

Melchinger GmbH
Germany. Traders in semi-finished and finished nubuck and aniline cow, buffalo and goat leathers for apparel and clothing accessories. English and German.
http://www.melchinger.de/