Biotech - Life Sciences Specialty Gases including Cryogenic Gases... (800) 649-6704 | Contact Us | Home Search: Current Customer Login About Us Overview What Distinguishes... in the distribution of a wide range of specialty/industrial gases, welding and related products, and safety equipment. Since its inception in 1949, Middlesex Gases has proven itself... to be a trusted and reliable leader in the specialty/rare gas industry. Leave the science of gases toMiddlesex Gases & Technologies.We will deliver the gases you need...