We are your manufacturing partner. We transfer your products from prototype to production

Onset Engineering Inc. was founded to transfer products from prototype to production with the minimum cost through applying the latest manufacturing technologies and working closely with inventors/designers during the design/product development process. Our customers are benefited by enhanced understanding the degree of conformance of a design to different manufacturing methods as well as appropriate materials. Learn more

To our customers, we serve from start-ups to well-established companies. By reducing the time and cost of prototypes, which could be a very complex engineering process requires hundreds of tests , we aim to have many ideas could be introduced to the market with acceleration.

  • Design for Manufacturability (DFM)

  • Industrial design and concept development

  • Engineering products and tool design

  • Selecting the materials for application

  • Engineering and Patent development

  • Transfer tool evaluation and improvements

  • 3D Printing (FDM/SLA) on demand

  • Mold prototype tools using SLA 3D printing

  • Mold prototype tools using CNC

  • Functional Prototype

  • Post Processing Finishing

  • Casting Silicon, Urethane and other materials

  • Manufacturing Process Development

  • Injection Molding

  • Assembly ( mechanical & electrical)

  • Sub-Assemblies

  • Fabrication

  • Labeling

  • Packaging

Email us : sales@onsetnegineering.com

Call us : 949 315 8685

Visit our Office : 25 Mauchly, STE 328 , Irvine, CA. 92618

Our Quality is Guaranteed

  • Through quality controlled processes , validation methods

  • All prototypes are built In-House

  • Made in USA only, IP Protection

  • CMM / Precision Vision Measurement & Inspection

Our Technical Expertise Tackle the Most Essential Industries

  • Commercial Products | Consumer Products | Defense

  • Aerospace | Architecture |Automotive

  • Dentistry |Education | Medical

Best Price Guarantee


  • FREE DfM feedback from manufacturing engineers

  • We develop our in-house automation manufacturing systems.

  • We design with production economics.


We are proud to be the partner of Biosense Webster Inc., a Johnson and Johnson Company ; Xtream Trucking; 3D Hubs | On-demand Manufacturing, and many other individuals with ideas that make the world a better place.

"Onset Engineering is a great company that delivers quality products at a great price. Doug and T are so cool and nice and respectful. I’m so happy to have found this company. I will bring all my inventions to them for prototyping. They also helped my company with manufacturing and other needs. They are A+ in all levels. I have been inventing medical and other products for over 25 years. Onset Engineering is a great company." Steve Islava, President, Care 2 Innovations, Inc.

"Very friendly staff. Very knowledgeable in terms of designs for additive manufacturing as well as molding for Mass production. The best price I found in the whole OC area" Mohamed Elfadil, Mechanical Engineer, Phantom Inc.

"I have been working with Onset Engineering for my rapid prototype for robotics components. Their prints are high quality. They always give extra support to edit my design for manufacturability, that save me a lot of time and money. I highly recommend Onset Engineering for rapid prototype, new product development, especially in highly regulated industry" , Khoa Tran, Automation Engineer, Fujifilm Scientific.

Explore what we can do for inventors