US-Based PCB Assembly & Electronics Manufacturing
330 Electronics provides reliable, scalable PCB assembly and electronics manufacturing services for OEMs and engineering teams. From initial build through ongoing production, we deliver quality-controller manufacturing, responsive support, and predictable lead times.

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Who We Serve

Surface mount technology assembly line also called SMT line for manufacturing and producti

OEMs & Procurement Teams

A trusted domestic manufacturing partner for reliable production, supply chain stability, and consistent quality.

Engineering Teams

Manufacturing support to ensure designs are build-ready and optimized for production.

Production Companies & Emerging OEMs

Flexible entry into production manufacturing with the ability to scale as demand increases.

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Electronics Manufacturing Services (EMS) Capabilities

Production-Ready PCB Assembly
- Surface Mount (SMT)
- Through-Hole Assembly
- Automated Selective and hand soldering for specialized components
- Mixed Technology Assembly
Production Manufacturing
- Low- to mid-volume production runs
- Repeatable builds with consistent quality
- Prototype builds
- Production scheduling and demand support
Testing & Inspection
- Visual Inspection and AOI (Automated Optical Inspection)
- Functional testing (as required)
- Process control and quality checkpoints throughout production
Box Build & Integration
- Sub-assembly and final assembly
- Cable and harness integration
- Finished product packaging and delivery
Turnkey Manufacturing & Supply Chain
- Full component sourcing and procurement
- Bill of Materials (BOM) management
- Turnkey or consignment builds

Why 330 Electronics

U.S.-Based Manufacturing

Greater control, communication, and reduced supply chain risk.

Production-Focused Processes

Built for repeatability, consistency, and long-term success.

Flexible Yet Scalable

Support for early production with the ability to grow with your needs.

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Blogs

Why 2026 Is a Turning Point for PCB Assembly: What OEMs Need to Know Now

Introduction The electronics manufacturing landscape is entering a new phase. What began as short-term supply chain disruption has evolved into a long-term strategic shift. In 2026, OEMs are no longer optimized solely for cost—they are optimized for resilience, speed, and control. For companies that rely on PCB assembly, this creates both risk and opportunity. Understanding these shifts can mean the difference between delayed launches and market leadership. 1. The Shift from

Why Working with a Small U.S. Circuit Board Manufacturer May Be Your Best Choice

Introduction In a world of supply‑chain uncertainty, rising global tariffs, and increasingly complex electronic designs, choosing the right PCB manufacturing partner is a strategic business decision. Small U.S.-based manufacturers offer advantages that large offshore factories simply can’t match—speed, communication, accountability, and resilience. This post explains why working with a small American PCB manufacturer may be your smartest move. 1. U.S. Small Manufacturers Ar

How to Best Reach B2B Customer Prospects in 2025

The way businesses connect with prospects has changed dramatically. In 2025, success depends on combining smart economics, cutting-edge technology, and authentic relationship-building. Companies that adapt quickly are the ones winning new contracts and long-term partnerships. Economic Perspective: Smarter Targeting and ROI Account-Based Marketing (ABM) is proving its worth, with campaigns tailored to specific accounts achieving 38% higher win rates . Referral-driven growth

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Who We Serve

OEMs & Procurement Teams

Engineering Teams

Production Companies & Emerging OEMs

Electronics Manufacturing Services (EMS) Capabilities

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Production-Ready PCB Assembly

Surface Mount (SMT)

Mixed Technology Assembly

​Production Manufacturing

Low- to mid-volume production runs

Repeatable builds with consistent quality

Prototype builds​

Production scheduling and demand support

Testing & Inspection

​Visual Inspection​ and AOI (Automated Optical Inspection)

Functional testing (as required)

Process control and quality checkpoints throughout production

Box Build & Integration

Sub-assembly and final assembly

Why 330 Electronics

Blogs

Why 2026 Is a Turning Point for PCB Assembly: What OEMs Need to Know Now

Why Working with a Small U.S. Circuit Board Manufacturer May Be Your Best Choice

How to Best Reach B2B Customer Prospects in 2025

Production Manufacturing

Prototype builds

Visual Inspection and AOI (Automated Optical Inspection)