SOS Online Leak Sealing

We work under full flow conditions. Any Pressure. Any Process. Any Time.

Industrial High Pressure Leak Repair
Call 24/7: 218.626.3917 or 218.391.7533
  • Leaking hydrofluoric acid (HF) at 93% concentration with iso/butane present.
    HF acid is lethal at these levels.
  • Leaking 900 psi. 14” expansion joint, Duluth, Minnesota.
  • 4” 150 Lb. valve end flange leaking. Tomahawk, WI
For over 30 years SOS has been solving industrial pipe repair problems, preventing plant shutdowns, increasing plant efficiency, and eliminating workplace hazards. We've served every field of industry with the dedication and integrity that you'd expect from a family owned business. We pride ourselves in creating lifelong clientele and look forward to serving you.
“We’ve tried other companies. None of them have provided the service that Jim does.” — David Stokes, Murphy Oil, Superior WI

SOS in action

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SOS repair gallery

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There's no leak-repair hardware store out there. We've had to invent much of the tooling, material and safety gear we use.

See some SOS custom engineering.

Client List

For over 30 years we've served nearly every industry that pumps steam, gas or acid under pressure.

View our client list.


Our goal is just to fix your leaks but sometimes we get a little extra notice along the way.

View our awards.

  • © 2016 S-O-S Inc.
  • P.O. Box 7282 Duluth, MN 55807
  • Office: (218) 626-3917
  • Pager: (218) 391-7533
  • Email: