Custom cable assemblies.
Built right. Every time.
QCS manufactures custom wire harnesses, cable assemblies, and box builds for US manufacturers who need precision they can count on. Certified. Responsive. American-made.
What We Build
Precision-built for
the work that matters.
From first-article prototype to steady production runs, we build to your exact specification. Inspected. On time. Ready to perform.
Wire Harnesses
Custom wire harness assemblies built to your exact specifications and inspected to IPC/WHMA-A-620 on every order. If your current supplier is asking you to accept rework, it is time to have a different conversation.
Learn moreCable Assemblies
From simple two-connector assemblies to complex multi-branch configurations. Circular, D-sub, RF, and custom connector formats. Overmolding available. Built to your environmental and performance requirements.
Learn moreBox Builds
Complete electro-mechanical assembly. One supplier, one point of contact, one quality standard. PCB integration, subassembly, enclosure work, and functional testing. We handle the complexity.
Learn moreWhy QCS
The reasons manufacturers keep coming back.
We are not the largest contract manufacturer in the country. We are the most responsive, most accountable, and easiest to actually work with. That matters.
Responsive
We answer calls, reply to emails, and turn around quotes fast. You will not be chasing down a status or wondering where your order stands. Real communication, every time.
Quality-focused
Built to IPC/WHMA-A-620. Every harness is inspected before it ships. The standard is not a ceiling. It is a starting point. We do not cut corners and we do not accept defects.
Flexible
From first-article prototypes to steady production volumes. We work with your schedule and your quantities, not the other way around. Engineering changes do not derail us.
US-based
No offshore handoffs. No time zone confusion. No wondering who you are talking to or where your parts are made. We are accountable because we are right here, and we pick up the phone.
Our mission is to deliver high-quality electrical wire harnesses and cable assemblies through exceptional people, proven processes, and advanced technology. We empower our team to exceed customer expectations with every solution we provide.
Industries Served
We build for the industries that keep America running.
QCS serves manufacturers across the US who need a reliable, IPC/WHMA-A-620 wire harness partner with real accountability.