Precision machining workspace
Portland's Trusted Machine Shop

Precision Machining
Rooted in Portland

For nearly four decades, Gilbertson Machine Shop has delivered exceptional CNC machining, custom fabrication, and repair services to businesses across the Pacific Northwest. We don't just meet tolerances — we set them.

Request a Quote Our Services
35+ Years of Service
±0.0005" Tolerance Range
100% Quality Inspected
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What We Do

Comprehensive Machining
and Repair Services

From prototype to production, we provide the precision and expertise your project demands.

CNC Machining

High-precision 3-axis and 4-axis CNC milling and turning. We machine metals, plastics, and composites to exact specifications with consistent repeatability.

  • Milling & Turning
  • Multi-material capability
  • Low to high volume

Custom Fabrication

Bespoke parts and assemblies built from your drawings or concepts. We work with you from design through finishing to deliver exactly what you need.

  • Design consultation
  • Material selection
  • Surface finishing

Repair & Restoration

Industrial equipment repair, part restoration, and remedial machining. We bring worn components back to spec — often at a fraction of replacement cost.

  • Worn part repair
  • Bushing & sleeve work
  • Dimensional restoration

Quality Inspection

Thorough quality control using precision measuring instruments. Every part is inspected and documented before it leaves our shop.

  • CMM measurement
  • GD&T verification
  • Material certification

Prototype Development

Rapid prototyping for new product development. We help refine your designs and produce functional prototypes quickly and affordably.

  • Design for manufacturability
  • Functional prototypes
  • Iterative refinement

Industrial Maintenance

Scheduled and emergency maintenance support for manufacturing and facilities. We keep your operations running with reliable turnaround.

  • Emergency service
  • Scheduled maintenance
  • On-site support
Interior of Gilbertson Machine Shop workshop
Close-up of precision machining work
35+ Years Serving
Portland
About Us

A Portland Machine Shop
You Can Rely On

Gilbertson Machine Shop has been a cornerstone of Portland's manufacturing community since 1987. What started as a one-machine operation has grown into a full-service precision shop serving industries across the Pacific Northwest.

Our team brings decades of combined experience in CNC machining, manual milling, lathe work, and industrial repair. We treat every part — whether it's a single prototype or a production run of thousands — with the same commitment to quality and attention to detail.

Located on SE Yamhill Street in the heart of Portland, we're conveniently positioned to serve local manufacturers, engineers, and tradespeople. When you work with Gilbertson, you're working with a shop that knows this city and takes pride in contributing to its industry.

On-time delivery, every time
Competitive pricing with no surprises
Direct communication with our machinists
Portland-based, locally owned
Our Capabilities

Equipment & Materials

Modern machinery paired with experienced hands — that's the Gilbertson standard.

01

CNC Milling

3-axis and 4-axis horizontal and vertical CNC mills capable of complex geometries and tight tolerances.

02

CNC Turning

Precision lathe work including bar feed and chuck mounting for cylindrical and rotational parts.

03

Manual Machining

Bridgeport mills and lathe operations for one-offs, modifications, and repair work that doesn't require CNC.

04

Welding & Fabrication

MIG and TIG welding services for metal assemblies, repairs, and custom structural work.

05

Surface Finishing

Grinding, polishing, and deburring to achieve the surface finish your application requires.

06

Quality Assurance

Coordinate measuring, optical comparison, and manual inspection with full documentation.

Materials We Work With

Aluminum Stainless Steel Brass & Bronze Carbon Steel Titanium Delrin / Acetal Nylon / UHMW Inconel Copper Plastics & Composites
Gilbertson Machine Shop has been our go-to for precision parts for years. Their attention to detail, willingness to tackle difficult jobs, and honest communication set them apart. When you need it done right in Portland, this is the shop to call.
— A Longtime Portland Client
Pacific Northwest
Based
SE Portland
Located
Direct Machinist
Contact
Get In Touch

Let's Discuss Your Project

Whether you have a detailed drawing or just an idea, we'd love to hear about your machining needs. Reach out and we'll get back to you promptly.

Address 731 SE Yamhill St
Portland, OR 97214-2326
Hours Mon – Fri: 7:00 AM – 5:00 PM
Sat – Sun: Closed
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Request a Quote

We typically respond within one business day.

Thank You!

Your request has been received. We'll be in touch within one business day to discuss your project.

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