• 109 Apremont Way, Westfield, MA 01085

About Berkshire Industries

  • Highly complex precision parts and end-to-end component solutions for commercial and military aircraft
  • Industry recognized specialist in tackling extremely challenging jobs and components utilizing deep engineering competence, state-of-the-art process technologies, and renowned craftsmanship.
  • Prototype and production products include manifolds, housings, and actuators made from magnesium, titanium, aluminum, inconel, high-temperature alloys, and other exotic materials
  • More than 100,000 square feet and over 150 experienced and skilled employees capable of delivering quality products on time and within budget
  • New investments in our people, our customers, and cutting-edge technologies
  • Ability to support our customer growth platforms while ensuring reductions in development costs and cycle time
  • Long-term relationships with OEMs, Tier I suppliers, and leading distributors


  • ISO9001:2008  Quality Management System
  • AS9100C  Quality Management System
  • NADCAP – CMSP “Conventional Machining as a Special Process”
  • Customer Testing / Inspection Certification

Machines and Equipment

  • 24/7 Lights-Out Machining Capabilities
  • More than 60 machines including
    • 11 Mazak Integrex Multi-tasking machines including 24/7 “lights-out” machining
    • 12 Horizontal 5-Axis Milling machines including 24/7 “lights-out” machining
    • 21 Vertical 5-Axis Milling machines
    • 5 Vertical 4-Axis Milling Machines
    • 9 Vertical 3-Axis Milling Machines
  • 1,000 square foot clean room and laboratory

Special Processes Performed In-House

  • Continuity, Resistance, and Ground-Fault Testing
  • Precision Critical Pressure, Flow, and Leak Testing
  • Pressure Testing (Up to 7,000 psi)
  • Electrical Testing
  • Non-Destructive Testing (NDT)
  • NADCAP Approved Fluorescent Penetrant Inspection (FPI)
  • Magnetic Particle Inspection (MPI)
  • NADCAP Approved Electrical Discharge Machining (EDM)
  • Flow & Directivity Test
  • Internal and External Deburring
  • Mechanical Assembly
  • Electrical Assembly

Since 1956

Founded in 1956 by Otto Essig in Massachusetts.


To Exceed Customers’ Expectations Through Continuous Improvement in Applications and Processes of Complex Machining.

To Deliver World-Class Service by Maintaining Strong Commitment and Investments in Technical and Productive Resources.