Halogen Valve Systems Inc

Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise. Read More

Chem Service, Inc. – We Set The Standard. Established in 1962, Chem Service is accredited for ISO Guide 34:2009, ISO/IEC 17025:2005, and registered and certified to the ISO 9001:2008 Quality Management System for the design, development, production, distribution, and servicing of organic neat... Read More

Manufacturer of temperature, pressure, and signal standards including: dry-block calibrators, digital thermometers, digital signal calibrators, signal scanners, digital pressure calibrators and systems, deadweight pressure testers, pumps, and software. Read More