About Us

About L & J

L&J Technology is a CNC precision machine shop, prototype machining and custom production run precision CNC milling and turning facility located in Ontario, California.

L&J Technology offers in-house, prototyping, production run and assembly of custom parts and systems manufactured for the medical, automotive, aerospace industries, as well as electronic and optical OEMs. We have the capacity to handle both single prototype as well as large production orders.

We also focus on contract manufacturing for all industries specializing in CNC machining centers, CNC lathes for precision turning, CAD, CAM, fixtures, tools and dies. In addition, custom parts made from billet or custom casting are available. 

L&J Technology has been operating for over 10 years and has 9 employees with over 100 years of combined employee experience. Our facility is 7000 sq. ft. of manufacturing space

Throughout our facilities, diverse capabilities, equipment resources, and quick turnaround time, we at L&J have been able to supply fast, efficient service to many satisfied customers. Our standards of quality are ensured through a complete process of testing and state-of-the-art quality inspection. 

esources, and conservative, and quick turnaround, we at L&J have been able to supply fast, efficient service to many satisfied customers. Our standards of quality are ensured through a complete process of testing and state-of-the-art quality inspection.