Overview
APX Enclosures designs and builds custom aluminum and stainless steel electrical enclosures for harsh outdoor and industrial environments. The enclosures are NEMA 3R and 4X certified and UL 508A listed for industrial control panels, with standard and customized options including electrical integration, climate control, mounting, insulation, and finishes. Manufactured in Mercersburg, Pennsylvania in a 40,000-square-foot facility (plus a 15,000-square-foot Precision Routing Division), with all products made in the USA. As part of the APX Company led by Andrew V. Papoutsis, the group provides integrated metal fabrication to serve telecommunications, power, transportation, infrastructure, battery storage, and security sectors.
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Simplify's take
What believers are saying
- APX listed 18 jobs in November 2026, signaling active production and backlog.
- Battery storage, power, and infrastructure projects favor corrosion-resistant NEMA 4X enclosures.
- The company plans a 90,000-square-foot facility, adding capacity for larger enclosure orders.
What critics are saying
- The 2026 career page shows openings, not signed contracts, so utilization stays fragile.
- Custom enclosure demand depends on a few telecom and industrial buyers; one loss crushes volume.
- A new 90,000-square-foot relocation can disrupt production and cash flow before volume ramps.
What makes APX Enclosures unique
- APX bundles sheet metal, coatings, machining, and routing under one roof.
- It builds custom NEMA 3R and 4X enclosures in Mercersburg, Pennsylvania.
- UL 508A listing and veteran-owned status strengthen utility and federal procurement credibility.
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