Our Story

Your go-to source

Whether you’re looking for a single prototype or 10,000 units, we are your go-to source for complex electrical sub-assemblies and quality-focused engineering support.

Founded in 1993, Timberline Manufacturing provides electrical contract manufacturing with a specialization in wire harness assembly, control panels, and circuit board assembly. In addition, we provide engineering quality assurance, prototyping, and RF testing services.

We’re focused on YOU

When you partner with us, you’ll quickly realize that we truly care about your success.

Our employee-owners are experienced, highly-skilled problem-solvers focused on delivering what customers want, when they need it. Plus, we promise competitive pricing and quick turnaround on quotes and customer communications. In short – we operate as if we are an extended member of your team, which means your success is our success.


At Timberline, we have very high standards for the quality of our products. We are AS9100D certified and ITAR compliant. While not every project needs the precision and quality required for the aerospace industry, it goes into every product we assemble.

We are proud of our record of on-time delivery and 99.9%+ acceptance rate. Plus, our company-wide focus on continuous improvement is an integral part of our day-to-day operations.

Our employees

We’re not the first to say it, but we certainly mean it – our employees are a huge part of what makes Timberline so great. That’s why we’re an employee-owned company. In fact, our employees own 100% of Timberline. The result? Employees work harder and smarter, produce better quality products, and are more innovative.