


Engineered to Exact Specification
Custom fabrications for the most demanding industrial applications — on time and on budget.
Portland's Trusted Metal Fabrication Partner
The design looks perfect, meets all engineering specifications and the client signed off on the contract. The next question becomes: HOW will the design be fabricated given the tight budget and timing requirements?
This daily pain point for every engineer, designer, and fabricator in the industrial arts is exactly what Tri-Lett was built to solve. Since 1976, we've delivered trusted solutions to the most complex design and fabrication challenges across a broad spectrum of industries.
Nearly 50 years of proven fabrication excellence in Portland, Oregon.
American Institute of Steel Construction — committed to quality standards.
From aerospace to wastewater, we serve the full industrial spectrum.
Production scheduling and project management built around your deadlines.
“Tri-Lett Industries is dedicated to exceeding internal and external customer expectations in the manufacturing and fabrication of metal products for a broad spectrum of industries, through innovation, continuous learning and an uncompromising commitment to total quality leadership.”Our Mission — Tri-Lett IndustriesPortland, Oregon · Est. 1976
Our Capabilities
From raw steel to finished assembly — Tri-Lett provides a complete range of precision metal fabrication services under one roof.
Precision Cutting
Plasma, laser, and waterjet cutting for structural steel, stainless, aluminum, and specialty alloys up to 6" thick.
Structural Welding
AWS D1.1 certified structural welding — MIG, TIG, stick, and sub-arc processes for all metal types.
CNC Machining
High-precision CNC milling, turning, and drilling delivering tolerances as tight as ±0.001" for complex components.
Plate & Sheet Forming
Press brakes, rolling, and forming for complex geometries — from light gauge sheet to heavy plate.
Custom Assemblies
Complete sub-assembly and final assembly services including mechanical, structural, and specialty system integration.
Engineering Support
Design-for-manufacturing review, drawing coordination, and value engineering to optimize cost and schedule.
Schedule A Free Consultation
Talk to our engineering team about your project — free, no obligation.
Industries We Serve
Our expertise spans 15 distinct market sectors. Click any industry to learn about our specialized solutions for your application.
Three Ways to Work With Tri-Lett
Schedule A Free Consultation
Talk to our engineering team about your project — free, no obligation.
Contact For Technical Advice
Have a complex fabrication challenge? Our experts are ready to help.
Become A Partner
Join our network of engineering firms, contractors, and OEM partners.
News & Media
Project spotlights, industry news, and updates from the Tri-Lett team.
Tri-Lett Industries Joins the AISC; Committed to Green Building Practices
Tri-Lett Industries is proud to announce our membership in the American Institute of Steel Construction (AISC), reinforcing our commitment to quality, sustainability, and excellence in structural steel fabrication.
Read MoreFits Like a Glove: Custom Conveyor System for Pacific Northwest Food Processor
When a regional food processing facility needed a stainless steel conveyor system that fit their exact floorplan and met USDA sanitary design requirements, Tri-Lett delivered a precision-fabricated solution.
Read MoreFinal Product: From Engineering Drawing to Finished Structural Assembly
A look inside our fabrication process — how a complex structural steel project goes from customer drawings to a finished, certified assembly ready for field installation.
Read More