Using external contractors is a necessary evil in manufacturing. You cannot keep a specialist for every single machine on your payroll.
But managing them is a nightmare for "Mike" (Maintenance Manager).
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The Scheduling Chaos: "Did the chiller guy show up yet?"
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The Safety Risk: "Did he sign the LOTO permit?"
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The Billing Surprise: "Why did he charge us for 8 hours when he was here for 4?"
Most companies use Vendor Management Systems (VMS) that focus on contracts and insurance. That satisfies HR, but it helps Mike zero percent.
You need Contractor Maintenance Management Software—tools that track the actual work on the floor.
Here are the 5 Best Contractor Management Tools for 2025.
1. Fabrico: The "Guest Access" Solution
Best For: Manufacturers who want to treat Contractors like extended team members.
Fabrico solves the biggest technical problem with contractors: Security vs. Access. You don't want to buy them a full license, but you need them to use your digital checklists.
Why Maintenance Managers Choose Fabrico:
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The "Guest" Portal: You can send a secure link to a contractor. They get limited access to only the Work Order they are assigned. They can see the machine history and manuals, but nothing else.
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Digital Evidence: The contractor cannot close the job until they upload "As Left" photos. You have permanent proof of the repair quality before you approve the invoice.
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Time Tracking: Fabrico logs exactly when the contractor started and finished the job on the app. "Paula" (Finance) can compare this timestamp against the invoice to stop overbilling.
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Safety Enforcement: The contractor must digitally sign the Permit to Work and LOTO checklist in the app before they can start the timer.
The Verdict: If you want to manage contractors with the same rigor as your internal team, Fabrico is the integrated choice.
2. ISN (ISNetworld)
Best For: Compliance and Safety Prequalification.
ISN is the global standard for "Are they safe to work?" It manages insurance certificates, safety records, and training documents.
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Pros: Massive database of pre-vetted contractors. It reduces liability risk for "Paula" by ensuring no uninsured worker enters the plant.
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Cons: It is a document management system, not a work execution system. It tells you the contractor is allowed to work, but it doesn't track what they did or how long it took.
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The Difference: ISN handles the paperwork; Fabrico handles the wrench time.
3. SAP Fieldglass
Best For: Managing contingent labor spend.
If you spend millions on temporary labor and contractors, Fieldglass is the financial heavyweight.
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Pros: Deep integration with SAP Finance. It excels at tracking rates, contracts, and timesheets for hundreds of external workers.
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Cons: It is a financial/HR tool. It is completely disconnected from the machine. It doesn't tell the contractor which bearing to replace or show them the machine history.
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The Difference: SAP Fieldglass manages the Invoice; Fabrico manages the Repair.
4. Limble CMMS
Best For: Simple vendor portals.
Limble offers a clean way to share work orders with vendors without complex logins.
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Pros: Very easy for the vendor to use. They get an email, click a link, and update the ticket. Low friction.
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Cons: It lacks the deep "Process" integration of Fabrico (e.g., linking the contractor's work directly to OEE downtime events or complex safety permit workflows).
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The Difference: Good for basic ticketing, less robust for heavy industrial contractor management.
5. Veriforce
Best For: Supply chain risk management.
Like ISN, Veriforce focuses on the regulatory side of contractor management.
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Pros: Excellent for high-risk industries (Oil & Gas) where contractor safety records must be scrutinized perfectly.
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Cons: It sits in the "Safety Department" silo. It doesn't help "Mike" schedule the repair or verify the work quality.
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The Difference: Veriforce reduces risk; Fabrico ensures reliability.
Comparison Matrix: Compliance vs. Execution
| Feature |
Fabrico |
ISN |
SAP Fieldglass |
Limble |
Veriforce |
| Primary Focus |
Work Execution |
Safety/Insurance |
Finance/HR |
Maintenance |
Safety Risk |
| Time Tracking |
✅ Real-Time |
❌ No |
✅ Timesheet |
✅ Manual |
❌ No |
| Work Verification |
✅ Photos/Logs |
❌ No |
❌ No |
✅ Photos |
❌ No |
| Safety Permits |
✅ Native |
⚠️ Docs |
❌ No |
⚠️ Basic |
⚠️ Docs |
| Cost |
Value |
Premium |
Premium |
Mid |
Premium |
Summary: Don't Just Check Their Insurance
Checking a contractor's insurance is the bare minimum.
To get value, you need to manage their Performance.
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Choose ISN or Veriforce if your primary concern is liability lawsuits.
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Choose SAP Fieldglass if your primary concern is managing temporary labor rates.
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Choose Fabrico if your primary concern is Machine Reliability. If you want to ensure the contractor fixes the machine correctly, safely, and quickly—and you want the data to prove it—Fabrico is the operational solution.
Manage your external workforce.
[Book a Demo with Fabrico] to see how our Guest Access portal gives you control over your contractors.