OHD, 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

Optrel is a Swiss technology leader specializing in welding, grinding, and safety solutions for over 35 years. We design high-quality auto-darkening welding helmets, respiratory protection systems, and industrial eyewear that push the boundaries of what’s possible. Our focus is on ergonomics,... Read More

AMETEK MOCON manufactures custom, automated gas analyzers and detectors for Indoor Air Quality of toxic gases in the workplace, Environmental Source Monitoring, Ambient Air Networks, surface logging hydrocarbons during oil and gas exploration, and specialty and beverage trace impurity gas... Read More