About Tamshell

Precision Machining is Our Strategy and Quality has always been Our Heritage.

The Plastic Machining Experts…  Tamshell, works with just about every type of machinable high-performance plastic material. Our State-of-the-art 5-Axis CNC Machines, like the TSUGAMI B0385, and the DMG Mori DuraVertical 5100 that we have in our machining center allows us to stay ahead as an accelerated CNC Machine Shop in California. Our custom in-house tooling also helps minimize production downtime allowing the company to machine high quantity part orders on-time. Tamshell, also precision machines all soft metals like Aluminum, Brass, or Bronze.

Tamshell History

Since 1980, John Hernandez and Art Pierce have proven time and time again that providing excellence in precision machining, alongside crucial support and attention to detail is what keeps customers coming back to Tamshell for their critical parts and components. It was their mission from the start, and that mission continues today.

The trusted partnerships Tamshell has built over the years with organizations ranging from prototyping start-ups to Fortune 500 companies has been the key factor in maintaining our level of quality and service. We are proud to be suppliers for those companies who count on us to deliver on these promises every day.

We employ a culture of reliability and dependability at Tamshell, thus, we count on our people to uphold high standards when it comes to delivering our customers their parts. We believe that teamwork and diversity, working together in harmony, benefits our customers the most.

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Over the years, we have built and maintained trusted partnerships as a contract supplier for some of the most prestigious organizations in Aerospace & Defense, Medical, Dental, and many other critical industries across the globe. Our enduring philosophy and mission have always been: ”Provide a consistent level of high-quality service, support, and product with every job we undertake for our customers.”

We achieve this by employing great people and providing a culture of safety and stability at our manufacturing facility. We pledge to uphold our mission of quality service to you with future business and strive to always meet or exceed your expectations and critical needs. We are there for all your precision machining needs. 

 Quick Tamshell Facts


  • Tamshell is AS9100D
  • Tamshell is ITAR Registration Complete Letter
  • Tamshell is a Registered, Self-Certified Small Business
  • Tamshell is Family Owned and Operated since 1980
  • Tamshell owns our 20,000 sqft. Temperature Controlled Facility