Doug grew up in the electrical construction business with his father who ran Miller Electric Company for 40 years.
717-258-4346
DeRock was founded by two lifelong friends with a combined 50 years in the trade — and a shared commitment to safety on every job site.
Surround yourself with the best people. Keep quality at the highest level. Be safe. Do what you say — every day.
PE-certified arc flash hazard studies in PA and DE, helping protect your people and stay OSHA/NFPA 70E compliant.
In-house AutoCAD design and code-reviewed construction for offices, retail, healthcare, and industrial facilities.
LED retrofits, parking lot lighting maintenance, and lighting controls backed by a free site survey.
York, PA
Chambersburg, PA
Chambersburg, PA
Chambersburg, PA
We discuss your project's scope, budget, and timeline.
In-house AutoCAD design with township and code review.
Licensed master electricians execute the work on schedule.
Final inspection, documentation, and ongoing service.
Earning the trust of our clients through consistently superior work and 50+ combined years solving complex electrical challenges.
President
Vice President
Office Manager
