International O2 & Nitrogen Generator Manufacturer

How does a small company in central Connecticut have a global reach? In a word, reputation.

Our customers around the world know that On Site Gas systems offer superior reliability. Systems built in 1987 are still going strong, even after 50,000 operating hours, with just minimal maintenance like filter changes. We’re proud to make quality products that can be used in the harshest global environments.

Our products are currently used in: