From Business: Airgas, an Air Liquide company, is a leading US supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest US suppliers…

From Business: Portland Welding Supply, doing business as Advantage Gases and Tools, is a family owned company. It owns and operates several retail stores in New England, offering tools and…

From Business: Operational for more than 120 years, BOC provides a range of gases and associated equipment and services. The company operates in over 70 countries. It works with a team of…