423-884-3049 info@keystonemfg.net


From Concept to Reality Keystone provides Design, Engineering and CNC Manufacturing Services.

Need a specific part or an entire product made? Don’t have the equipment in house? Don’t have enough time, resources or staff to produce your part?

Keystone can create your product or parts. Our plant uses the latest, high end equipment to ensure your products meet every standard.

Why Choose Keystone?

Expert Staff

We have over 30 years experience in crafting custom machines parts for our own products, and those of our customers.  Rely on the very best staff to get the job done.

Cost Effective

Outsourcing parts manufacturing to Keystone Manufacturing can be far more cost effective as you will get the best equipment and the best engineers for only the time you need us.  There is no need to buy expensive machinery and hire your own staff.

Advanced Equipment

We have invested in only the best equipment.  Our shop features CNC Machining Centers, CNC Turning Centers, Automatic and Cut Off Saw, Hydraulic and Pneumatic and air-over-oil presses and index tables

Examples of Our Work

Rely on the most Advanced Equipment

  • 2015 Mazak 530C Vertical Machining Center
  • 2012 Mazak 510C Vertical Machining Center
  • 2010 Mazak QTN250 MSY Turning Center – Live tooling, subspindle & Y axis. Also equipped with:
    • Edge Rebel 65 Servo Barloader
    • Royal Rota Rack
  • 1995 Enshu CNC Mill Drill Center
  • Phoenix PA-10 Horizontal Automatic Saw
  • Cut Off Saw
  • 5 Ton Hydraulilc Press (6)
  • Various Pneumatic and Air-Over-Oil Presses
  • Index Tables (3)

Engineering Services

What happens when you you’ve got a new project but don’t have the resources to design it?  You could hire an engineer, but you don’t really need another full time employee.  Keystone provides engineering services for just this occasion.  Engage our highly skilled engineers for a fraction of the cost of hiring full time staff.

Our team of engineers can bring decades of experience to your projects. If you need a new product designed or just a second pair of eyes, call Keystone.

  • 3D Solid Modeling
  • CAD Design and Drafting
  • Design for Manufacturability & Testability
  • Design Enhancement
  • Concurrent Design



  • Research and Development
  • Project Management
  • Concept to Product
  • BOM Development
  • Reverse Engineering
  • Component Selection



Give us a call to start your project