Top 8 Assembled Circuit Board Manufacturers

Table of Contents

• Introduction
• Why Partner with a PCB Assembly Manufacturer?
• Top 8 Assembled Circuit Board Manufacturers
• Key Factors to Consider When Choosing a Manufacturer
• Industries Served by PCB Assembly Manufacturers
• Summary Table
• References

Introduction

Printed Circuit Board Assembly (PCBA) is at the heart of every electronic device — from smartphones and medical equipment to aerospace systems and IoT devices. Choosing the right assembled circuit board manufacturer is critical for ensuring product reliability, faster time-to-market, and cost efficiency. In this guide, we highlight the top 8 PCB assembly manufacturers for 2025 that provide full turnkey solutions and support for low, mid, and high-volume production.

Why Partner with a PCB Assembly Manufacturer?

Working with a professional PCB assembly manufacturer offers numerous benefits, including:

• Expertise: Access to experienced engineers and state-of-the-art equipment.
• Time Savings: End-to-end services from PCB design to final assembly.
• Quality Control: Strict adherence to IPC standards and ISO certifications.
• Cost Efficiency: Bulk material procurement and optimized production processes.
• Scalability: Flexible production volumes from prototypes to mass production.

Top 8 Assembled Circuit Board Manufacturers

1. Wintech

Wintech is a full turnkey service provider specializing in high-mix, low to mid-volume electronics manufacturing and custom material solutions. They are known for their ability to handle complex PCB layouts, large-size and high-precision PCBA projects, making them a preferred partner for many Fortune 500 enterprises.

• Services: PCB Design & Layout, PCB Manufacturing, PCB Assembly & SMT, Quick Turn Prototyping, New Product Introduction (NPI), Plastic Molding, Metal Precision Machining.
• Strength: Tailor-made solutions, fast turnaround times, and capability to handle high-level, high-difficulty projects.
• Industries Served: Aerospace, Automotive, Industrial Automation, Medical Devices, Consumer Electronics.

Why Choose Wintech: Ideal for businesses needing end-to-end electronic contract manufacturing, from prototyping to full system assembly.

2. Advanced Circuits (4PCB)

Advanced Circuits is one of North America's largest PCB manufacturers offering PCB fabrication and assembly under one roof.

• Services: PCB fabrication, assembly, quick-turn prototypes, small to large batch runs.
• Strength: No minimum order quantity, free design file checks.
• Specialty: Same-day shipping available for quick-turn PCBs.

3. MacroFab

MacroFab provides cloud-based electronics manufacturing services, allowing businesses to scale from prototype to production easily.

• Services: PCB assembly, inventory management, component sourcing.
• Strength: Transparent pricing and real-time manufacturing status updates.
• Industries: Startups, IoT, consumer electronics.

4. JLCPCB

JLCPCB is a global leader in cost-effective PCB fabrication and assembly, offering fast and reliable services.

• Services: PCB prototyping, SMT assembly, functional testing.
• Strength: Low-cost production and fast shipping worldwide.
• Volume Capability: Suitable for prototype and mass production orders.

5. Sierra Circuits

Sierra Circuits is an ISO-certified PCB manufacturer with expertise in high-reliability PCBs.

• Services: PCB fabrication, assembly, DFM (Design for Manufacturability) checks.
• Strength: Focus on aerospace, defense, and medical-grade PCBs.
• Compliance: ITAR registered and IPC certified.

6. Tempo Automation

Tempo Automation specializes in high-speed, on-demand PCB assembly for engineering teams.

• Services: Prototype and low-volume production runs.
• Strength: AI-powered quoting and DFM checks for faster product launch.
• Target Market: Hardware startups, R&D labs, medical device companies.

7. Bittele Electronics

Bittele offers turnkey PCB assembly services with a focus on low- to mid-volume production.

• Services: PCB fabrication, component sourcing, functional testing.
• Strength: Free DFM checks and competitive pricing.
• Industries: Automotive, consumer electronics, IoT devices.

8. Rush PCB

Rush PCB is a one-stop PCB manufacturer offering design, fabrication, and assembly solutions.

• Services: PCB prototyping, assembly, testing, box build.
• Strength: Ultra-fast lead times for urgent projects.
• Specialty: Handles complex, multilayer PCBs and rigid-flex designs.

Key Factors to Consider When Choosing a Manufacturer

• Technical Capability: Can they handle high-layer count PCBs, fine-pitch components, and complex designs?
• Quality Standards: Look for ISO 9001, IPC-A-610, ITAR certifications.
• Turnaround Time: Choose a supplier that meets your product launch deadlines.
• Cost Structure: Compare prototyping and mass production costs.
• Support: Ensure they provide design feedback and NPI assistance.

Industries Served by PCB Assembly Manufacturers

• Consumer Electronics: Smartphones, wearables, smart home devices.
• Automotive: EV battery management systems, infotainment boards.
• Aerospace & Defense: High-reliability, ruggedized PCBs.
• Medical Devices: Life-saving diagnostic and monitoring systems.
• Industrial IoT: Automation controllers, sensors, and robotics.

Summary Table

References

• Wintech Official Website
• Advanced Circuits
• MacroFab
• JLCPCB
• Sierra Circuits
• Tempo Automation
• Bittele Electronics
• Rush PCB