Stronghold Solutions provides 24/7 commercial trailer repair & modification services for all trailer types, including flatbed, refrigerated, dump, and specialized equipment trailers. Our certified mobile welding teams respond rapidly across Washington State, bringing expert repair services directly to your location.
Flatbed Trailer Modification Options
Load Capacity Modifications:
Cross-member strengthening for concentrated loads
Stronghold Solutions
Emergency Mobile Trailer Repair Services
24/7 Emergency Response Coverage
Fully-equipped mobile workshops ready for any repair
Critical Repair Capabilities
Minimizing Your Downtime
You told us that every hour of downtime costs you $500-$2000 in lost revenue. A Seattle-based refrigerated transport company saved $50,000 when we got their trailer back on the road in 90 minutes instead of the usual 48-hour shop wait time.
Seattle-Tacoma metro: 45-90 minutes
Spokane area: 60-90 minutes
Eastern Washington agricultural zones: 90-120 minutes
Olympic Peninsula: 2-4 hours with advance notice
Yakima Valley produce hauler with 5 trailers: Saved 127 hours of downtime last year
Tacoma commercial construction site: Prevented $35,000 in project delays
Kent distribution center: Cut emergency repair costs by 40% on their refrigerated fleet
Stronghold Solutions
Commercial Trailer Modification Services
Custom Fabrication Solutions
Performance Upgrade Options
Smart modifications do more than solve problems – they boost your bottom line. Our performance upgrades focus on measurable returns that you’ll see in your operating costs. Take aerodynamics, for example. By adding properly designed side skirts to your trailers, you’re looking at fuel savings around 5% across your fleet. That’s real money back in your pocket every mile.
Compliance & Safety Modifications
Stronghold Solutions
Preventative Maintenance Programs
Cost-Effective Maintenance Plans
Fleet Inspection & Documentation
Keeping your maintenance records organized isn’t just good business – it’s essential for DOT compliance and warranty claims. Our digital inspection system tracks every check, repair, and modification across your entire fleet. You’ll get detailed reports after each inspection, complete with:
Your digital maintenance portal gives you 24/7 access to:
Scheduled Maintenance Benefits
The real power of preventative maintenance shows in the long-term numbers. Among our Washington State clients:
Expert Commercial Trailer Solutions
Certified Team & Equipment
Every weld, every repair, and every modification matters when you’re running commercial trailers. That’s why our mobile teams bring more than just tools to your job – they bring real credentials and proper certification.
Industry Experience
We’ve worked with:
Agricultural transport companies
Safety & Quality Standards
Stronghold Solutions
Washington State Service Coverage
Service Areas & Response Times
Puget Sound Region: Seattle, Tacoma, Everett, Bellevue
South Sound: Olympia, Centralia, Chehalis
Columbia River: Vancouver, Longview, Kelso
Eastern Washington: Spokane, Spokane Valley
Central Washington: Yakima, Ellensburg, Moses Lake
Olympic Peninsula: Port Angeles, Aberdeen, Hoquiam
Southwest Washington: Raymond, South Bend
North Central: Wenatchee, Chelan
Southeast: Tri-Cities, Walla Walla
Northeast: Colville, Newport
Mobile Workshop Capabilities
Local Experience
Stronghold Solutions
Keep Your Trailers Moving With Washington’s Mobile Repair Experts
Ready to Get Started? Here’s How:
Download Fleet Service Guide

Contact Information

Our Service Guarantee
You get more than just our word:
Common Questions About Commercial Trailer Repair & Modifications
How long does a commercial trailer modification typically take?
- Basic structural modifications: 1-2 days
- Major capacity upgrades: 2-4 days
- Custom fabrication projects: 3-7 days
We work around your schedule across Washington State. For time-sensitive projects, we offer expedited service options. Call (360) 303-4743 to discuss your timeline.
Do you provide mobile trailer modification services throughout Washington State?
Our coverage includes:
- Puget Sound industrial zones
- Eastern Washington agricultural areas
- Central Washington distribution hubs
- Columbia River industrial corridors
- Olympic Peninsula commercial districts
Service range and response times vary by location. Call us for specific details about your area.
What certifications do your welders have for commercial trailer modifications?
Our welding teams maintain complete certification packages:
- AWS D1.1 Structural Welding Certification
- DOT-approved welding qualifications
- Commercial vehicle repair certifications
- Ongoing safety and technical training
Every modification meets or exceeds DOT requirements. We provide full documentation packages for your records and compliance needs.
What types of commercial trailers can you modify?
We work on all commercial trailer types used in Washington State:
- Flatbed trailers
- Refrigerated trailers
- Dump trailers
- Equipment trailers
- Specialized cargo trailers
- Container chassis
- Logging trailers
- Agricultural trailers
Each modification matches your operational requirements while maintaining DOT compliance. We handle specialized equipment needs for industries across the Pacific Northwest.
What is your warranty policy on trailer modifications?
- 1-year workmanship warranty
- Written documentation of all work
- Compliance certificates
- Free follow-up inspections
We offer extended warranty options for major modifications. Every warranty comes with clear terms – no hidden exclusions or complex conditions. If there’s ever an issue, one call puts our mobile team on the way to fix it.