PCB Design, PCB Assembly, Electronic Product Development, and Electronics Manufacturing

Turn to MJS Designs for high-quality and accuracy in complex printed circuit board design, electronic engineering design, CAD layout, box / system build, cable and wire harness assembly, procurement, printed circuit board assembly, prototyping, volume assembly, test development, testing and fulfillment.


Your electronics manufacturing services partner…
from design to production since 1976.

PCB Assembly

MJS Designs redefines the standard for responding to your business requirements with our ability to be flexible, quick, and reliable. Our fast responsiveness to customer requests and meticulous attention to detail enables us to meet your tightest deadlines. MJS provides customers with the option of either consignment or turnkey (full component procurement) PCB assembly, Class 3 assembly, Flight PCB assembly, and prototype/production PCB assembly services.

PCB Design

MJS Designs provides professional PCB design services to all segments of the electronics industry. With more than 45 years of PCB CAD Layout experience, we offer the perfect combination of exceptional skills and advanced technology.

Electronics Manufacturing

MJS Designs is your full service electronics contract manufacturer, including complex system builds, box builds, electro-mechanical assembly, and custom cable fabrication. We seamlessly build to your specifications through our controlled and monitored assembly processes.

Events and Appearances

Space Tech Expo USA
October 6, 2021 – October 8, 2021

Long Beach, California


PCB Assembly
PCB Design
CAD layout
System Builds
Flying Probe Test Solutions Services
Electro-Mechanical Assembly
Cable and Wire Harness Assembly
Electronic Engineering Design