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Indoor & Outdoor Lighting

Parking lot lighting, LED retrofits, and lighting controls for commercial properties across Central Pennsylvania.

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Commercial Lighting Installation & Maintenance

DeRock Electric services and maintains all forms of indoor and outdoor lighting, including bulb and ballast replacement, retrofitting, and repair.

We help property owners lower energy costs and improve safety with modern LED lighting and smart controls.

  • Parking lot lighting maintenance
  • Pole lights, wall packs, exit signs, and canopy lights
  • LED upgrades with a free survey
  • Emergency and exit lighting, plus lighting controls
From stadium poles to storefront signage, our crews keep your property well lit, safe, and energy efficient year round.
Do you offer a free lighting survey?
Yes, we provide a free survey before any LED upgrade so you know your expected savings.
Can you maintain existing parking lot lighting?
Yes, we handle ongoing maintenance for pole lights, wall packs, and canopy lighting.
Do you install emergency lighting?
Yes, we install and service emergency and exit lighting to keep your property code compliant.
What is the benefit of an LED retrofit?
LED upgrades reduce energy costs and maintenance while improving overall light quality.