Superior Joining Technologies

Micro Welding


Commercial, Research,
and Military
Aircraft, Spacecraft

Multi-Axis Laser Beam
Welding & Cutting

Laser Welding

NonDestructive Testing

Manual Welding

Laser Welding and Cutting

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Laser Marking 50 Magnetic Particle Testing Penetrant Testing Resistance Spot Welding Sheet Rolling 50 Resistance Seam Welding Seam Welding Nadcap Registered Multi Axis Laser Micro Welding Nadcap Registered Manual Welding 50

NADCAP Accredited for Fusion and Laser Welding

 August 25th, 2017

For 25 Years we have excelled in precision welding. This year we have stepped up, by being acknowledged, for our welding capabilities—at the highest level.

Superior Joining Technologies is proud to announce that we are NADCAP Accredited for both Fusion and Laser Welding.

This new certification is in addition to our current NADCAP registration for special processes; Non-Destructive Testing, Magnetic Particle & Fluorescent Dye Penetrant. 

SJTI is 1 of 16 NADCAP Accredited Welding Facilities in Illinois, and 1 of 441 across the United States.


Certifications, Affiliations, and Accreditations

  • Superior Joining Technologies is a Woman-Owned Business.
  • FAA Repair Station OP Spec (3SJR972Y) Certified for Welding, Fluorescent Penetrant and Magnetic Particle Inspection.
  • UTC Aerospace Approved to AWS - Fusion Welding for Aerospace Applications.
  • Nadcap Accredited for Fluorescent Penetrant and Magnetic Particle Inspection (certificate), Fusion Welding, Laser Welding (certificate)
  • Woodward, Inc. Approved Supplier for NDT #3016777
  • FAA Drug & Alcohol Free Workplace Certified.
  • Access to Foreign Trade Zone.

ISO 9001-2015 Certified AS 9100-2016 Certified Nadcap Fabricators & Manufacturers Association American Welding Society Laser Institute of America
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