Assembly & Automated
Assembly Services
 
 

Reliable, Scalable, Wisconsin-Built Assembly Solutions for OEMs & Manufacturers

For more than 100 years, Triangle Manufacturing has supported OEMs and manufacturers who need dependable, high-quality assembly services they can trust. Based in Oshkosh, Wisconsin, we help companies like yours overcome labor shortages, reduce production bottlenecks, and refocus on what you do best while we take care of the assembly. Sound like the kind of partnership you’re looking for?

 

Let's Talk!

Fewer Suppliers. Fewer Delays. By combining deep engineering knowledge with advanced fabrication, we help you simplify your sourcing needs and reduce assembly time.

Why OEMs Choose Triangle

Because assembly and repeatable reliability is our core competency.

For many manufacturers, internal assembly is labor-intensive, inconsistent, and costly. At Triangle, we apply our century of expertise as an extension of your engineering team to help you get the most from your projects.

The Triangle Advantage

  • High-Mix & High-Volume – We specialize in both low-volume custom needs and high-volume production.
  • Solved Labor Challenges – Flexible, scalable assembly teams eliminate your hiring headaches.
  • Lower Total Cost of Ownership – Efficient processes and automation reduce your bottom-line costs.
  • Improved Consistency – Strict quality and process controls ensure products work flawlessly.
Why Choose Triangle

Our Assembly Capabilities

Whether you need the craftsmanship of manual assembly or the speed of automated assembly services, Triangle delivers the consistency and scalability modern manufacturers require.

Manual & Semi-Automated Assembly Services

Flexible solutions for complex assemblies and variable production needs. Our highly trained team delivers repeatable, clean, and accurate builds for products requiring delicate handling, multiple components, or custom processes.

  • Sub & Final Assemblies: Mechanical and electromechanical
  • Fastening & Joining: Riveting, bonding, press-fit, and welding
  • Electrical: Wiring, harness assembly, and connections
  • Fulfillment: Kitting and packaging
  • Inspection: Component inspection, sorting, and rework
  • Testing: Functional and quality testing
 
 

Automated Assembly Services

Speed, precision, and cost efficiency for high-volume production. Triangle invests in automation to help you scale production and eliminate variability without relying on labor availability.

  • Robotic pick-and-place and automated fastening
  • Automated soldering and welding
  • Vision-guided inspection and inline functional testing
  • High-speed packaging and labeling

If reliability matters, Triangle is the right partner.

 

Ideal for:

  • OEMs lacking internal assembly labor
  • Manufacturers with fluctuating or seasonal demand
  • Complex assemblies requiring craftsmanship and precision
  • Products where in‑house assembly is costly or inefficient
 

Industries We Support:

  • HVAC and Air Movement
  • Agriculture and Heavy Equipment
  • Industrial and Commercial Equipment
  • Motors, Drives & Mechanical Systems
  • Consumer Products & Recreation
  • Custom Machinery
 

The Triangle Partnership Process

Simple. Transparent. Built Around Your Needs.

  1. Consultation & Requirements: We review your drawings, samples, requirements, and production goals.
  2. Process Engineering: We design the optimal method—manual, semi-automated, or automated.
  3. Prototype & First Article: You validate the build before full production.
  4. Production Launch: Scalable assembly from small runs to ongoing high-volume production.
  5. Continuous Optimization: We identify cost-savings and efficiency improvements over time.
Select and compare up to 4 products.
Select and compare up to 4 products.
Copyright © 2026 Triangle Manufacturing Company. All rights reserved.