In 1981 Middlesex Welding Supply opens a new branch in Haverhill, MA.
![A photo of the Middlesex store in 1981](https://www.middlesexgases.com/wp-content/uploads/2020/11/MG-History-1981-Haverill-MA.jpg)
In the early 1980s Middlesex Welding Supply continues leading the industrial market for gases and welding supplies. A second branch is opened for business at this time in Haverhill, Massachusetts.