EMI USA
Electronics Manufacturing Services in Southern California
Overview
Established in 1982, Express Manufacturing, Inc. (EMI) has grown into a trusted leader in the Electronics Manufacturing Services (EMS) industry. Our six facilities in Santa Ana, California employ 750+ skilled professionals, supporting more than 80 active customers across diverse industries.
Many of these partnerships have lasted for decades, with several clients working with us for over 25 years, demonstrating EMI’s proven ability to deliver quality, consistency, and innovation.
EMI USA (Headquarters)
Our Santa Ana facilities provide the backbone of EMI’s global operations, combining advanced manufacturing expertise with long-standing customer relationships. Strategically located in Orange County, California, we offer scalable EMS solutions to support both regional and international customers.
Highlights
Six facilities with 750+ employees
Over 80 active customers across industries
Partnerships spanning 25+ years
Strategic Southern California location near major markets
Decades of investment in cutting-edge technology
Our Capabilities Across EMI USA
From prototype to production, EMI North America offers a complete range of end-to-end EMS services:
Consignment and/or Turnkey Programs
Automated SMT Assembly (to 01005 placements)
Plated Thru-Hole (PTH) & SMT Assembly
New Product Introduction (NPI) Center
Design for Excellence (DfX) Analysis:
Manufacturability (DFM)
Assembly (DFA)
Test (DFT)
In-Circuit Testing & Development (HP3070 Serial II, Jet-300NT)
Functional Testing & Development
Conformal Coating
Burn-In Chamber Testing (-40 ºC to 150 ºC)
System Integration & Box Build
Final Packaging & Global Order Fulfillment
Repair & Refurbishment Depot
Why Choose EMI USA?
Proven Legacy – Serving the EMS industry since 1982
Scalable Capacity – Six facilities with 750+ employees
Customer Loyalty – 80+ clients, many with decades-long partnerships
Strategic Location – Based in Orange County, California
Advanced Capabilities – Cutting-edge technology and continuous investment
Commitment to Quality – Precision, reliability, and speed to market
Your Trusted EMS Partner in the USA
From prototyping to high-volume production, EMI North America provides the expertise, scale, and customer dedication needed to help businesses thrive in today’s competitive electronics market.