Industrial and Welding Services, Gases, and Supplies
Providing Industrial and Welding Expertise Since 1949.
New England’s leading industrial gases and welding products supplier.
Middlesex Gases Has Everything You Need to Keep Your Business Moving Forward
Providing You with Support That Goes the Extra Mile
With over 250 years of combined industry experience, the Middlesex team offers industrial and welding customers unmatched knowledge across a broad spectrum of gas applications. We are strongly committed to helping you and your employees:
- Integrate the latest gas and equipment technologies
- Complete projects faster and more efficiently
- Find unique solutions for age-old gas and equipment problems
- Cultivate a safer and more productive workplace
- And more...


Filling the Unique Needs of a Variety of Industries
- Welding and Metal Fabrication
- General Manufacturing
- Welding Automation and Robotics
- Aerospace
- Electronics and Semiconductor
- Food Processing
- Power Generation
- Additive Manufacturing
Offering Gas Solutions Personalized for Your Business
Whether you require industrial-grade or ultra-high-purity gases, two- or three-component mixtures, or custom gas blends, Middlesex Gases has the capability to meet your business’s specific industrial and welding gas needs. Some of our popular products include:


Supplying You with a Full Assortment of Gas Equipment
We partner with many of the top manufacturers to stock the essential industrial and welding machines, tools, accessories, supplies, and hard goods you need to complete projects quickly, safely, and accurately. Items available in store and online include:
- Welding Machines
- Filler Metals
- Welding Accessories
- Safety Equipment
- Abrasives
- And more...
Middlesex Featured Products & Quarterly Specials
Are you looking for a great deal on industrial and welding supplies and equipment? Then you’ll want to check out our latest product promotions. Many of these are limited time specials, so if you see something you need, please call us today to place your order.