# A2Z EMS

> PCB Assembly & Electronics Contract Manufacturing Company based in Illinois, USA. A2Z EMS provides quick-turn PCB assembly, electronics contract manufacturing, and engineering services across aerospace, medical, defense, industrial, and consumer electronics industries.

## Main Pages

- [PCB Assembly & Electronics Contract Manufacturing Company](https://www.a2zems.com/)
- [Who We Are](https://www.a2zems.com/about-us)
- [Our Certifications](https://www.a2zems.com/about-us/certifications)
- [Quality Assurance](https://www.a2zems.com/quality-assurance)
- [Contact Us](https://www.a2zems.com/contact-us)
- [Privacy Policy](https://www.a2zems.com/privacy-policy)

## Services

- [Quick Turn PCB Assembly Services](https://www.a2zems.com/pcb-assembly-services)
- [Electronics Contract Manufacturing Services For OEM](https://www.a2zems.com/electronics-manufacturing-services)
- [Surface Mount PCBA Services](https://www.a2zems.com/pcb-assembly-services/surface-mount-technology)
- [Through-Hole PCB Assembly Services](https://www.a2zems.com/pcb-assembly-services/through-hole-technology)
- [BGA Assembly Services](https://www.a2zems.com/pcb-assembly-services/bga-assembly-services)
- [Box Build Assembly Services](https://www.a2zems.com/pcb-assembly-services/box-build-assembly)
- [Cable and Wire Harness Assembly Services](https://www.a2zems.com/pcb-assembly-services/cable-and-wire-assembly)
- [Conformal Coating & Potting Services](https://www.a2zems.com/pcb-assembly-services/coating-and-potting)
- [PCB Engineering Services](https://www.a2zems.com/pcb-assembly-services/engineering-services)
- [Lead Free PCB Assembly Services in Illinois, USA](https://www.a2zems.com/services/pcb-assembly-services-in-illinois)
- [Complete PCB Assembly Services in Michigan, USA](https://www.a2zems.com/services/pcb-assembly-services-in-michigan)
- [Quick Turn PCB Assembly Services in Washington, USA](https://www.a2zems.com/services/pcb-assembly-services-in-washington)
- [Quick Turn PCB Assembly Services in Ohio, USA](https://www.a2zems.com/services/pcb-assembly-services-in-ohio)
- [Quick Turn PCB Assembly Services in California, USA](https://www.a2zems.com/services/pcb-assembly-services-in-california)
- [Lead Free PCB Assembly Services in Colorado, USA](https://www.a2zems.com/services/pcb-assembly-services-in-colorado)

## Industries

- [Industries We Serve](https://www.a2zems.com/industries)
- [High-Reliability Aerospace PCBs Assembly](https://www.a2zems.com/industries/aerospace-system)
- [High Precision Medical PCB Assembly Services](https://www.a2zems.com/industries/medical-industry)
- [Military and Defense PCB Assembly Services](https://www.a2zems.com/industries/defense-sector)
- [High Quality Industrial PCBs Assembly Services](https://www.a2zems.com/industries/industrial-sector)
- [High Quality Consumer Electronics PCBs Assembly Services](https://www.a2zems.com/industries/consumer-electronics)
- [Transportation PCB Assembly Services](https://www.a2zems.com/industries/transportation)
- [LED and Lighting PCB Assembly Services](https://www.a2zems.com/industries/lighting-industry)

## Blog

- [Our Blogs – All Posts](https://www.a2zems.com/blog)

### Blog Categories

- [PCB Assembly Blogs Category](https://www.a2zems.com/blog/categories/pcb-assembly)
- [Box Build Assembly Category](https://www.a2zems.com/blog/categories/box-build-assembly)
- [Electronics Contract Manufacturing](https://www.a2zems.com/blog/categories/electronics-contract-manufacturing)
- [Surface Mount Technology](https://www.a2zems.com/blog/categories/surface-mount-technology)
- [Through Hole Technology Category](https://www.a2zems.com/blog/categories/through-hole-technology)
- [BGA Assembly](https://www.a2zems.com/blog/categories/bga-assembly)
- [Cable and Wire Harness Assembly](https://www.a2zems.com/blog/categories/cable-and-wire-harness-assembly)
- [Coating and Potting Blogs Category](https://www.a2zems.com/blog/categories/coating-and-potting)
- [Aerospace Industry Blogs](https://www.a2zems.com/blog/categories/aerospace-industry)
- [Medical Industry](https://www.a2zems.com/blog/categories/medical-industry)
- [Defense Industry](https://www.a2zems.com/blog/categories/defense-industry)
- [PCB Manufacturer Category](https://www.a2zems.com/blog/categories/pcb-manufacturers)

### Blog Posts

- [What is PCB Assembly? Everything You Need to Know](https://www.a2zems.com/post/what-is-pcb-assembly)
- [A Step-by-Step Guide to the PCB Assembly Process in Electronic Manufacturing](https://www.a2zems.com/post/pcb-assembly-process)
- [How Much Does PCB Assembly Cost? A Breakdown for Small and Large Orders](https://www.a2zems.com/post/pcb-assembly-cost)
- [How to Choose the Right PCB Assembly Service Provider: A Guide for OEM](https://www.a2zems.com/post/how-to-choose-the-right-pcb-assembly-service-provider)
- [Outsourcing PCB Assembly: 10 Key Advantages Every OEM Should Know](https://www.a2zems.com/post/advantages-of-outsourcing-pcb-assembly)
- [8 Common Mistakes You Must Avoid When Placing a PCB Assembly Order](https://www.a2zems.com/post/mistakes-you-must-avoid-when-placing-pcb-assembly-order)
- [How to Reduce Your PCB Assembly Costs Without Compromising Quality](https://www.a2zems.com/post/how-to-reduce-your-pcb-assembly-costs-without-compromising-quality)
- [How Quick‑Turn PCB Assembly Accelerates Product Time‑to‑Market](https://www.a2zems.com/post/how-quick-turn-pcb-assembly-accelerates-product-time-to-market)
- [How Turnkey PCB Assembly Saves OEMs Time and Reduce Supply Chain Risk](https://www.a2zems.com/post/how-turnkey-pcb-assembly-saves-oems-time-and-reduce-supply-chain-risk)
- [Low-Volume vs High-Volume PCB Assembly: A Complete Guide for OEMs](https://www.a2zems.com/post/low-volume-vs-high-volume-pcb-assembly)
- [PCB Assembly Trends: What OEMs Need to Know in 2026](https://www.a2zems.com/post/pcb-assembly-trends-what-oems-need-to-know)
- [PCB Fabrication vs. PCB Assembly: What are the Key Differences](https://www.a2zems.com/post/pcb-assembly-vs-pcb-fabrication)
- [PCB vs PCBA – What are the Differences and Why It Matters](https://www.a2zems.com/post/pcb-vs-pcba)
- [Why Choose A2Z Electronics for PCB Assembly Services in Illinois?](https://www.a2zems.com/post/why-choose-a2z-electronics-for-pcb-assembly-services-in-illinois)
- [Top 5 Benefits of Working With USA-Based PCB Manufacturers](https://www.a2zems.com/post/benefits-of-working-with-usa-based-pcb-manufacturers)
- [What Are the Certifications to Look for in a PCB Assembly Company?](https://www.a2zems.com/post/certifications-to-look-for-in-a-pcb-assembly-company)
- [IPC-A-610 Standard: The Complete Guide to Electronic Assembly Quality](https://www.a2zems.com/post/ipc-a-610-standard)
- [Understanding the PCB Manufacturing Process: A Complete Guide](https://www.a2zems.com/post/pcb-manufacturing-process)
- [What Is a Printed Circuit Board (PCB)? Meaning, Uses & Its Types](https://www.a2zems.com/post/what-is-a-printed-circuit-board)
- [Different Types of PCBs and Their Uses Across Sectors](https://www.a2zems.com/post/different-types-of-pcbs)
- [Top 10 Applications of Printed Circuit Board](https://www.a2zems.com/post/top-10-applications-of-printed-circuit-board)
- [Top 10 High-Quality Components of Electronic Devices and Their Functions](https://www.a2zems.com/post/components-of-electronic-devices)
- [Top 10 Essential Printed Circuit Board Components and How Do They Work](https://www.a2zems.com/post/top-10-essential-pcb-components)
- [How to Select the Right Electronic Components for Your PCB Design?](https://www.a2zems.com/post/choose-right-electronic-components)
- [What is Surface Mount Technology? A Detailed Guide for Electronics Consumers](https://www.a2zems.com/post/what-is-surface-mount-technology)
- [A Detailed Guide to Surface Mount Technology (SMT) in PCB Assembly](https://www.a2zems.com/post/surface-mount-technology-pcb-assembly)
- [Top 10 Benefits of Surface Mount Technology (SMT) That You Need to Know](https://www.a2zems.com/post/benefits-of-surface-mount-technology)
- [10 Key Characteristics of Surface Mount Technology](https://www.a2zems.com/post/10-key-characteristics-of-surface-mount-technology)
- [Surface Mount Technology vs Through-Hole: Which Is Better for Your PCB Assembly?](https://www.a2zems.com/post/surface-mount-technology-vs-through-hole)
- [Understanding SMD Electronic Components for Your PCB Assembly Projects](https://www.a2zems.com/post/smd-electronic-components)
- [10 Popular Types of Surface Mount Device Packages (SMD) in Modern Electronics](https://www.a2zems.com/post/10-popular-types-of-surface-mount-device-packages)
- [How Do You Ensure Accuracy in Surface Mount (SMT) PCB Assembly?](https://www.a2zems.com/post/how-do-you-ensure-accuracy-in-smt-pcb-assembly)
- [How AOI Inspection Improve SMT Assembly Quality](https://www.a2zems.com/post/how-aoi-inspection-improve-smt-assembly-quality)
- [What are QFN Packages and Why Do They Matter in the PCB Assembly Process?](https://www.a2zems.com/post/what-are-qfn-packages-and-why-do-they-matter-in-the-pcb-assembly-process)
- [What Is Through Hole Technology (THT)? Components, Advantages, and Uses](https://www.a2zems.com/post/what-is-through-hole-technology)
- [What is a Ball Grid Array (BGA)? A Comprehensive Guide](https://www.a2zems.com/post/what-is-a-ball-grid-array)
- [How Does BGA Assembly Improve Electronic Device Performance?](https://www.a2zems.com/post/how-does-bga-assembly-improve-electronic-device-performance)
- [What Is Box Build Assembly? A Complete Guide for Your Business](https://www.a2zems.com/post/what-is-box-build-assembly)
- [Box Build Assembly Process Step-by-Step: From Components to Final Product](https://www.a2zems.com/post/box-build-assembly-process)
- [How Do You Select a Reliable Partner for Box Build Assembly Services?](https://www.a2zems.com/post/how-do-you-select-a-reliable-partner-for-box-build-assembly-services)
- [What Is a Cable Assembly? Meaning, Types, Benefits & Applications](https://www.a2zems.com/post/what-is-a-cable-assembly)
- [7 Different Wire Harness Types & Their Uses in Various Industries](https://www.a2zems.com/post/wire-harness-types)
- [USB Pinout Guide: Meaning, Types, Functions, and Wiring Explained](https://www.a2zems.com/post/usb-pinout-guide-meaning-types-functions-and-wiring-explained)
- [PCB Conformal Coating 101: Everything You Need to Know](https://www.a2zems.com/post/pcb-conformal-coating-101)
- [How to Choose the Best Conformal Coating for Your Printed Circuit Board (PCB)?](https://www.a2zems.com/post/how-to-choose-the-best-conformal-coating-for-your-printed-circuit-board)
- [Conformal Coating vs Potting: Which Protection Method is Right for Your PCB?](https://www.a2zems.com/post/conformal-coating-vs-potting)
- [Electronic Contract Manufacturing: Meaning, Benefits, Process and Cost Guide](https://www.a2zems.com/post/electronic-contract-manufacturing-meaning-benefits-process-cost-guide)
- [How Turnkey EMS Helps OEMs Reduce Manufacturing Costs](https://www.a2zems.com/post/how-turnkey-ems-helps-oems-reduce-manufacturing-costs)
- [How to Choose an Electronics Manufacturing Service (EMS) Provider in Illinois](https://www.a2zems.com/post/choose-an-electronics-manufacturing-service-ems-provider-in-illinois)
- [Common Mistakes to Avoid When Choosing an Electronics Contract Manufacturer](https://www.a2zems.com/post/mistakes-to-avoid-when-choosing-an-electronics-contract-manufacturer)
- [The Benefits of Choosing the Right Electronics Contract Manufacturing Company](https://www.a2zems.com/post/benefits-of-choosing-the-right-electronics-contract-manufacturing-company)
- [Why Electronic Contract Manufacturing Services Are Crucial For Modern Electronics Design](https://www.a2zems.com/post/why-electronic-contract-manufacturing-services-matter-in-modern-electronics-design)
- [What is Automated Optical Inspection (AOI) and its Importance in PCB Assembly](https://www.a2zems.com/post/what-is-automated-optical-inspection-aoi-and-why-it-matters-in-pcb-assembly)
- [AOI vs. X-Ray Inspection: Which Method is Right for Your PCB Assembly?](https://www.a2zems.com/post/aoi-vs-x-ray-inspection)
- [Why an ISO 13485-Certified Manufacturer Is Essential for Medical Devices](https://www.a2zems.com/post/why-an-iso-13485-certified-manufacturer-is-essential-for-medical-devices)
- [Why Medical Device Startups Partner with U.S.-Based PCB Assembly Companies](https://www.a2zems.com/post/why-medical-device-startups-partner-with-u-s-based-pcb-assembly-companies)
- [Why Medical Devices Demand High-Precision PCB Assembly (ISO 13485 Certified)](https://www.a2zems.com/post/why-medical-devices-demand-high-precision-pcb-assembly)
- [Understanding Medical Device Regulations in PCB Assembly: What You Need to Know](https://www.a2zems.com/post/medical-device-regulations-in-pcb-assembly-what-you-need-to-know)
- [What Is the Importance of AS9100D Certification in Aerospace PCB Assembly?](https://www.a2zems.com/post/importance-of-as9100d-certification-in-aerospace-pcb-assembly)
- [Fly Higher with SMT PCB Assembly: Why Drone Manufacturers Trust A2Z Electronics](https://www.a2zems.com/post/fly-higher-with-smt-pcb-assembly-why-drone-manufacturers-trust-a2z-electronics)
- [PCB Repair Cost Breakdown: What OEMs Need to Know](https://www.a2zems.com/post/pcb-repair-cost)
- [How Much Does PCB Replacement Cost in 2026? A Complete OEM Guide](https://www.a2zems.com/post/pcb-replacement-cost)
- [5 Warning Signs Your PCB Needs Repair or Replacement](https://www.a2zems.com/post/signs-your-pcb-needs-repair-or-replacement)
- [Lead Solder vs. Lead-Free Solder: Which Is Best for Your Printed Circuit Board?](https://www.a2zems.com/post/lead-solder-vs-lead-free-solder-which-is-best-for-your-printed-circuit-board)
- [Thermal Profiling in PCB Assembly: The Key to Precision & Quality](https://www.a2zems.com/post/thermal-profiling-in-pcb-assembly)
- [What Is a Fiducial Mark? Types, Placement, and Benefits in PCB Assembly](https://www.a2zems.com/post/what-is-a-fiducial-mark)
- [What Is Soldering Flux? The Essential Guide for Electronics Projects](https://www.a2zems.com/post/what-is-soldering-flux)
- [FR4 vs. Rogers: Which PCB Material Is Right for Your Project?](https://www.a2zems.com/post/fr4-vs-rogers-pcb-material)
- [Aluminum vs FR4 PCB: Key Differences and How to Pick the Right One](https://www.a2zems.com/post/aluminium-vs-fr4-pcb)
- [Key Advantages of Metal Core PCBs in Electronics](https://www.a2zems.com/post/advantages-of-metal-core-pcbs)
- [Copper-Plated PCB Boards: Benefits, Properties, and Common Applications](https://www.a2zems.com/post/copper-plated-pcb-boards)
- [Rigid PCB: Meaning, Types, and Common Applications](https://www.a2zems.com/post/what-is-rigid-pcb)
- [What are PCB Vias? A Complete Guide](https://www.a2zems.com/post/what-are-pcb-vias-a-complete-guide)
- [The Role of PCBs in Powering IoT and Smart Devices](https://www.a2zems.com/post/role-of-pcbs-in-powering-iot-and-smart-devices)
- [What is Open Circuit: Meaning, Examples, Causes & How to Fix It](https://www.a2zems.com/post/what-is-open-circuit)
- [Open Circuit vs Short Circuit: What Are The Differences and How to Fix Them](https://www.a2zems.com/post/open-circuit-vs-short-circuit-key-differences-fixes)
- [What Is the Meaning of a Schematic Diagram in PCB Design: A Complete Guide](https://www.a2zems.com/post/meaning-of-schematic-diagram)
- [Common Capacitor Symbols and Their Meanings and Functions You Should Know](https://www.a2zems.com/post/common-capacitor-symbols)
- [Understanding Electrical and Electronic Symbols Used in Circuit Design](https://www.a2zems.com/post/electrical-and-electronic-symbols)
- [What Is GND in Circuits? Meaning, Types, and Why It Is Important?](https://www.a2zems.com/post/what-is-gnd-in-circuits)
- [Everything You Need to Know About SPDT Switches](https://www.a2zems.com/post/everything-you-need-to-know-about-spdt-switches)