JJ Mobile Welding LLC

Pittsburgh • Mobile Service • Commercial & Industrial

Certified Mobile Welding & Fabrication

JJ Mobile Welding delivers fully certified (AWS, ASME, API) on-site welding and fabrication for structural steel, heavy equipment, and industrial projects — safely, efficiently, and to code.

Call Now: (724) 531-5456 Request an Estimate View Services
✅ AWS / ASME / API
🚛 Fully Equipped Mobile Rigs
⚙️ Heavy Equipment & Industrial
🛡️ Safety & Compliance
What We Do

Mobile Welding That Keeps Jobs Moving

Structural & pipe welding, heavy equipment repair, line boring, railings, and custom fabrication— delivered on-site across Greater Pittsburgh.

Structural & Pipe Welding
Code-quality welds for beams, supports, pipe runs, and industrial installs.
Heavy Equipment Repair
Buckets, booms, frames, cracks, mounts—repairs that reduce downtime.
NEW
Line Boring & Bore Repair
Restore pin & bushing bores—reduce slop, restore fit, extend machine life.
Safety Railings
Commercial installs for docks, platforms, stairs, and walkways—built to code.
Custom Fabrication
From drawings to finished steel—brackets, platforms, frames, and more.
Semi Trailer Repair
Kingpin and Bolster Plate Repair and Replacement, Frame Repair, etc.
JJ Mobile Welding service area map Pittsburgh PA

Servicing the Greater Pittsburgh, PA Region

Pittsburgh • Wheeling • Washington • Mt. Morris • Morgantown • Uniontown • Greensburg

We service a 50-mile radius of Washington, PA 15301 which includes Allegheny, Washington, Greene, Westmoreland, and Fayette counties—plus locations from Wheeling, WV to Morgantown, WV.

Please inquire here for further distances.

JJ Mobile Welding pipe rack weld Pittsburgh PA
Industries We Serve

Built for Contractors, Plants, and Heavy Industry

We support projects across a wide range of industrial and commercial sectors with certified, field-ready welding and fabrication.

Industrial welding project photo 1 Pipe rack fabrication photo Commercial handrail fabrication photo Shop equipment and fabrication photo
  • General Contractors
  • Mechanical, Excavation, & Utility Contractors
  • Manufacturing Facilities
  • Oil & Gas Contractors
  • Power Generation
  • Steel Production
  • Heavy Hauling & OTR Trucking
  • Coal Mining
  • Plants of all types
  • Residential (case-by-case)

Need it done fast—without cutting corners?

Call or request an estimate and we’ll get you scheduled.

Call Now Request an Estimate