Welcome To MacDiarmid Precision Machining

MacDiarmid Machine (MacD) is a Global Supplier that provides precision state-of-the-art machining and assembly of components from prototype through production for critical applications in all types of metals and plastics. We service several markets, including but not limited to, Robotics (commercial and military), Defense, Automation, Transportation, Conveyance, Laser Systems, Alternative Energy, Oil & Gas, Medical, Biotech, Semiconductor and Pharmaceutical. MacDiarmid Machine is an ITAR registered company, producing RoHS and REACH compliant products under our ISO 9001 certified quality management system.


As a Potentia Manufacturing Company, MacDiarmid works collaboratively with other Potentia affiliates to provide our customers synergistic solutions employing state-of-the-art technologies and a wide range of services.


State-of-the-art CNC equipment   
At MacDiarmid Machine we are continually expanding our equipment and capabilities. We have made strategic investments in machining technology to be more efficient, more flexible, and more responsive to our customer needs.​


Over 30 years of quality service 
MacDiarmid Machine’s (MacD) constant dedication to excellence and improvement shows our commitment to provide our customers with the highest quality parts at a competitive price.

Our Difference 

From prototype through production 
our clients can count on personalized service and rapid response time which is what sets MacDiarmid apart 
from its competitors.

MacDiarmid Precision Machining

7 Perry Way, Newburyport, MA 01950, USA

 Tel: 978-465-3546  |  Fax: 978-465-3636

PotentiaMGC_icon.jpg
  • LinkedIn Social Icon
  • Facebook
  • Twitter
  • Instagram

Terms and Conditions:  Sale Purchase