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.

Express Manufacturing, Inc. Location in Santa Ana, Orange County, California
PCB assembly & manufacturing services in California