About us

West Coast Machine Shop

Mayfly Manufacturing is a full-service design and fabrication shop located in the San Francisco Bay Area.

The team specializes in high precision CNC milling and Swiss screw machining from prototype development to high volume production. They use their knowledge of manufacturing efficiency to delivering high quality parts on-time and on-budget.

Products are proudly made in Northern California.


Engineering Design

Engineers on staff utilize the latest CAD software to develop 3D designs and renderings for customers.


Prototype Development

Designs are built using in-house 3D printers and can be further developed using CNC machines.


CNC Machining

CNC mills, lathes, and Swiss screw machines are used to produce customer parts at scale, within budget, and at a high level of precision.


Customers Include: