In 2007 Middlesex Gases & Technologies purchases its third filling and distribution plant.
![A Middlesex employee turning a valve on the truck in 2007](https://www.middlesexgases.com/wp-content/uploads/2020/11/2007_Photo.jpg)
In 2007, Middlesex added a third filling and distribution plant by purchasing Mass Oxygen in Lowell, Massachusetts, thus expanding its capabilities and services into the state of New Hampshire.