Mobile Welding & Fabrication Services
Certified, fully equipped, and ready to mobilize. JJ Mobile Welding delivers structural welding, equipment repair, custom fabrication, and advanced industrial services directly to your jobsite.
Quick Service List
Tap a service to jump to details.
Structural & Pipe Welding Field welding, tie-ins, repairs, installs.
Heavy Equipment Repair Cracks, mounts, wear points, reinforcement.
Line Boring & Bore Repair Restore pin/bushing fit, reduce slop.
Custom Fabrication Brackets, platforms, railings, frames.
Specialty Services Maintenance, reinforcement, corrosion remediation.
Semi-Trailer Repair Kingpin/bolster, frame repair, reinforcement.
Structural & Pipe Welding
Inspection-ready field welding for contractors, facilities, and industrial installs.
Scope & capabilities
Field welding performed to code requirements and job specifications. Ideal for structural steel, industrial pipe, and onsite modifications where quality and compliance matter.
- Structural steel welding for beams, supports, brackets, and repairs
- Pipe welding for industrial runs, tie-ins, and facility modifications
- Reinforcement & rework for field-fit issues, damage, and upgrades
Heavy Equipment Repair + Line Boring
Onsite repair, reinforcement, and bore restoration to reduce downtime and restore fit.
Field repairs built for working conditions
High-stress repairs on construction and industrial equipment—proper prep, proper welds, and reinforcement where needed. Line boring and bore repair services are available to restore pin and bushing fit and improve machine performance.
- Crack repair & reinforcement for booms, buckets, frames, and attachments
- Mounts & brackets rebuilt or reinforced to restore safe operation
- Bore restoration to correct wear and restore proper pin/bushing fit
Custom Fabrication
Commercial and industrial fabrication built to spec—clean, strong, and jobsite-ready.
Built-to-spec metalwork
From brackets to assemblies, we fabricate and install components that fit, last, and meet job requirements.
- Custom fabrication for frames, brackets, platforms, and supports
- Safety railings & handrails for docks, stairs, walkways, and platforms
- Aluminum TIG/MIG for trailers, equipment components, and specialty work
Specialty Services
Industrial support, maintenance welding, and structural remediation for demanding environments.
When the job is critical
Specialty work focused on durability, safety, and performance—ideal for plants, contractors, and industrial clients.
- Industrial & commercial welding for modifications, reinforcement, and repairs
- Corrosion remediation with targeted removal and structural reinforcement
- Emergency & maintenance welding for urgent repairs and downtime reduction
Semi-Trailer Repair
Structural repairs and reinforcement for trailers, frames, and fifth-wheel components.
Repairs that restore strength and alignment
Trailer repairs focused on structural integrity and safe operation—ideal for fleets, heavy hauling, contractors, and OTR equipment.
- Kingpin & bolster plate replacement to restore coupling strength and alignment
- Frame repair & reinforcement for cracked rails, crossmembers, and fatigue areas
- Crossmembers / bracing repaired or reinforced to restore rigidity and load support
Service Area
Standard coverage is a 50-mile radius from Washington, PA 15301. Ask about projects beyond that radius.
Outside the standard radius? Send the jobsite address and photos and we’ll confirm travel and scheduling.
Common Cities We Serve
Examples within and near the primary coverage zone:
Quick coverage notes
Fastest scheduling is by phone. For email requests, include location, scope, and photos for an accurate quote.