Woman Owned Small Buisness (WOSB)

Zi Machine is a woman owned small business. We are small enough to be dynamic and are able to react to the immediate needs of a customer trying to get a new product quickly to market. We are also large enough to drive costs down on production runs while leveraging domestic quality and delivery.  

AS–ISO Certifications 

For more information about our products and services or to submit a quote, contact Stephen Zeldag at 916-933-5280.
Zi Machine  l  5050 Hillsdale Circle  l  El Dorado Hills, CA 95762  l  916-933-5280  l  © 2014 Zi Machine
Our business philosophy is simple: Produce every part to perfection in a timely manner and at a competitive price.


Zi Machine

Established 30 years ago, Zi Machine is a precision machine shop that serves the aerospace, energy, defense and industrial valve markets.  We are ISO 9001 and AS 9100 registered and specialize in close tolerance, multi-axis CNC turning and mill work.

We support low-run/prototype work for customers at the start of design cycles, but are exceptionally skilled at long-run production where our dedicated tooling, part handling automation and Cpk focus provide consistent quality for large volume, just-in-time job lots.

Zi Machine Manufacturing has been assessed and certified by Orion Registrar, Inc. to the requirements set forth by:
AS 9100D and ISO 9001:2015 The Quality Management System is applicable to: MANUFACTURE AND ASSEMBLY OF PRECISION PARTS 
We are ITAR compliant and support US military defense programs that demand strict adherence to MIL STDs, DCMA oversight and DoD First Article Test protocol.

AS 9100 & ISO 9001 Certificate