Metal & Mechanical Manufacturing

Find Welding & Joining Suppliers
on TandemOne

The sourcing platform buyers use to find verified welding suppliers, indexed by process, certification, and material. Free to start.

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The TandemOne Platform

Find welding suppliers already certified for your application

Welding is one of manufacturing's most specification-driven, skill-dependent processes. Finding a supplier who is actually certified to your weld procedure and has experience with your material is not something you can figure out from a website. TandemOne gives buyers a better way. Our platform profiles verified welding and joining suppliers by process (MIG, TIG, laser, friction stir, robotic), material capability, weld certifications, and industry experience, so you can identify qualified weld shops before you share a drawing.

Why TandemOne

Why buyers source welding and joining on TandemOne

Certification-Level Supplier Profiles

TandemOne captures weld certifications (AWS D1.1, ASME Section IX, MIL-STD), process capability, and NDE methods so you can filter for suppliers already qualified to your specification.

Process-Specific Matching

Find a robotic MIG shop for high-volume structural frames, a TIG specialist for precision aerospace assemblies, or a laser welding supplier for hermetic sealing. TandemOne makes the distinction.

Structured RFIs Prevent the Information Chase

Provide your base material, joint configuration, applicable code, and volume in one RFI. Suppliers respond with real capability, not a generic confirmation.

Free for Buyers, Direct to Supplier

No broker, no middleman, and no cost to send RFIs on TandemOne.

Verified Suppliers

What verified welding and joining suppliers on TandemOne offer

  • MIG, TIG, laser, plasma, electron beam, friction stir, and resistance welding capabilities
  • Certified welders and qualified weld procedures to AWS, ASME Section IX, and MIL-STD standards
  • Robotic and automated welding cells for high-volume, repeatable production
  • Weld inspection including visual, dye penetrant, magnetic particle, ultrasonic, and radiographic (X-ray)
  • Structural steel, stainless, aluminum, titanium, and exotic alloy experience
  • Pre- and post-weld heat treating, straightening, and machining coordination
Who Uses TandemOne for This

Built for industrial buyers, not just browsers

Engineering and procurement teams sourcing fabricated weldments for pressure vessels, structural frames, aerospace assemblies, agricultural equipment, and industrial machinery where weld quality, procedure certification, and traceability documentation are non-negotiable.

For Buyers
Find welding and joining suppliers, free

Send a Structured RFI to verified welding and joining suppliers on TandemOne. Compare responses, evaluate capability profiles, and connect directly at no cost.

Send a Structured RFI →
For Suppliers
Are you a welding and joining supplier?

Join TandemOne to get in front of verified industrial buyers actively sourcing welding and joining capabilities. Build your supplier profile and start receiving Structured RFIs.

Join as a Supplier →
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Heat Treating
Hardening, annealing, and thermal processing
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