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Your Trusted Source for High-Quality Electrical Enclosures

50 Years of Excellence

UL-Approved Manufacturing

All NEMA Types

Certified Steel, Aluminum, and Stainless

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Why Choose J.M. Gillin?

Customized to Fit Your Needs

Everything made from scratch. Every enclosure is fabricated to your exact specifications.  Dimensions, materials, cutouts, mounting, you name it.

Competitive Pricing

Custom doesn't mean expensive. Our streamlined process delivers made-to-order enclosures at prices that compete with off-the-shelf alternatives.

Experienced Craftsmen

Our family-run business has been setting the standard since 1975, ensuring each enclosure is designed and built to ensure your project succeeds.

What We Fabricate

  • NEMA types including 1, 3, 4, and 12.
  • Materials: Aluminum, steel, stainless steel
  • Custom internal wiring and components
  • Almost any size and configuration
  • UL-approved fabrication processes

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Trusted for Major Projects

Washington D.C. Convention Center

A complex job requiring custom floor enclosures accommodating various rooms and systems connecting together, that we proudly implemented as a local provider.

Learn More About Our Work

Trusted for Major Projects

Whether you need a single prototype or large quantities, our team provides attentive service and quick turnaround times.

Give our team a call at (484) 459-0360 or fill out our quote form here.

We look forward to hearing from you!