Industries Served

High End Computing




Green Energy

Test & Measurement




Industrial Controls


It is our mission and privilege to partner with customers who supply all facets for the branches of Military and Homeland Security as we understand the importance of quality for this sector. Our highly skilled employees are committed to excellence in their daily job functions with the goal of providing our customers world class service. 

Over the last 38 years as a family-owned business, EMI has created a culture of striving and achieving zero defects. We believe quality starts with proper training, continuous process improvement, and transparent communication in order to best support our customers. 

We specialize in mission critical low volume/high mix printed circuit assembly electromechanical systems for defense OEMs and defense supply chains. Furthermore, we continue to make significant investments in equipment, technologies, and advancing the education of our employees. Today, as the largest EMS provider in Southern California our continuous reinvestment into our capabilities and resources enables us to meet the rapid evolving demands of manufacturing and supply chain needs of each customer. 

 We are committed to expanding capabilities while enhancing our resources, meeting the 
  • EMI operates AS9100D registered
  • ITAR Compliant U.S.A. facilities 
  • Defense and Aerospace dedicated NPI (New Product Introduction) 
  • Defense and Aerospace dedicated Manufacturing facilities 


EMI is proud to support our customers during each stage of their product’s lifecycle, from the quoting process to end-to-end manufacturing solutions. With two AS9100D certified facilities in the United States and overseas, EMI can manufacture a wide array of technologically complex products for partners across the globe. From Commercial and Civil applications to Military grade equipment EMI can provide the highest level of service and quality to fulfill customer requirements across the globe.

  • In-flight entertainment systems
  • Electrical transmission
  • Energy Management
  • Seat system module
  • Avionics
  • Beacons and Radars
  • Cabin Environmental Control


EMI’s four decades of experience has allowed us to partner with top medical companies to offer and produce medical solutions with our industry-leading expertise and innovation in manufacturing. With our Quality and Engineering teams reviewing your design and material work prior to production, this ensures your products are manufactured to the highest quality and brought to market on time. Our robust processes and team have allowed us to produce specialties that include:

  • First Response
  • Patient Vital Monitoring
  • Cardiac Monitoring
  • Pulmonary Devices
  • Endoscopic Monitoring
  • Laser Dermatology 
  • Radiologic Imaging Systems
  • Ventilation and respiratory support equipment
  • General Monitors Equipment
  • Critical Care Monitoring
  • Pulse Oximetry
  • Blood Pressure Monitor
  • Infusion and Enteral Pumps
  • Renal Dialyses Equipment


EMI works with various customers in the Telecomm industry. We specialize in:

  • Routers & Switches
  • Networking Systems
  • Visual Phone
  • Wireless
  • GPS Services
  • Communications Networks
  • Radio Frequency (RF)


Via our long-term relationships with suppliers and our in-house engineering staff, our core strengths and competencies have allowed EMI to continually service the fast-paced automotive industry. We have been able to provide world class EMS to the following related automotive sub-categories:

  • Lighting
  • Control boards and systems (ECUs)
  • Fuel pump
  • Power Management System
  • Instrumentation Panels and Systems
  • Global Positioning System
  • Voice Recognition System
  • Electrical Vehicles and Bikes
  • Autonomous Vehicles

Oil & Gas

The oil and gas industry extremely relies on trustworthy and effective printed circuit boards for its equipment and pipelines. Being such a critical industry to be a part of, EMI has the confidence to ensure our boards provide safe monitoring and protection of equipment and employees.


EMI has established ourselves one of the largest gaming manufacturers in Southern California offering end to end solutions to major gaming markets internationally. Being a challenging and complex industry, we can deliver efficient solutions to produce electronic game machines at an efficient cost, high quality and on time delivery to our customers.

  • Slot machines 
  • Self-electronics Kiosks
  • Table Gaming
  • Multiplayer Games
Our Capabilities include:
  • Gaming Boards & Embedded Solutions
  • Box Built Assembly 


Electronics manufacturing servicing green energy products is a vital sector that supports the global transition towards a more sustainable and environmentally friendly world. It plays a pivotal role in reducing carbon emissions, promoting clean energy adoption and advancing the development of eco-friendly technologies. This is why EMI is working to partner with more clients with a goal and mission to building more sustainable and eco-friendly products. 

High- End Computing


EMI has plenty of experience servicing: Computing Hardware, Storage, Industrial PC, and Embedded Systems & Modules. Some of the highlighted sectors we serve are:

  • Servers
  • Computers & Peripherals
  • Memory Modules
  • PCBA single to multiple processor

Additionally, EMI has the capabilities to service components and sub-assemblies for computing products including backplanes, PCB, PCBAs, interconnect, racks, and processors. Although, EMI develops memory modules and solid-state disk drives for enterprise server and storage applications that demand high performance, lower power consumption, thermal efficiency, data security and reliability.

Your innovations in high-performance computing are making a wide-range impact. Connect with one of our facilities for reliable end-to-end supply chain solutions located in North America and Asia.

Test and Measurement

Today, countless devices for testing and measurement make use of PCBs. The more sophisticated these devices are, the more they rely on the quality of the board for tests and measurements. As an ISO-9001 certified company, our processes allow us to manufacture the highest quality products that fit your needs. Whether you require Circuit Testing, Functional testing, Burn-in, and/or Flying Probe, these services ensure that your test and measurement products are properly calibrated before going to market.

Industrial Controls

With a global footprint in North America and Asia, EMI allows our customers multiple flexible avenues to manufacture and deliver your industrial products in the most effective manner possible. With our in-house value-added services such as In-Circuit testing, functional testing, and Design for Excellence we serve as an extension of your team. EMI has been able to service the following industrial segments:

  • Traffic Control Systems
  • Irrigation Control
  • Automation
  • Test, Measurement, and Calibration Equipment
  • Semiconductor Equipment
  • Solar & Clean Energy Devices
  • Gaming
  • Safety & Security
  • Power and Battery Modules