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Dedicated Partner, Trusted Advisor


We specialize in data center and mission critical facility commissioning. Our electrical, mechanical, and integrated commissioning services are offered either independently or as part of a comprehensive commissioning solution tailored to your unique environment, needs, and budget.

Power Studies

Our Power Systems Studies Group (PSSG) offers comprehensive power system analysis and reporting including arc flash hazard assessments, short circuit and coordination studies, harmonic analyses, and more. PSSG also assists clients with standards compliance, safety assessments, program management, and training.


We offer electrical testing services for components and systems such as medium- and low-voltage cable systems, ground fault protection systems, grounding systems, transformers, protective relays, vacuum switches and breakers, molded case and air circuit breakers, UPS systems, and batteries/chargers. Test methods include primary injection, insulation resistance, power factor, and infrared thermography.


Our grounding specialists provide comprehensive grounding system design, testing, consulting and training services. HP&D is the exclusive worldwide distributor of the Smart Ground® Multimeter (SGM), a multi-function instrument that measures grounding system parameters for any project, including complex sites and energized substations.

About HP&D

In a business where clients tell us “trust is everything,” we earn that trust every day with the knowledge, experience, and integrity we bring to each and every engagement. Customer-driven and employee-owned, HP&D is a collaborative team of highly-qualified engineers, technicians, and service professionals committed to exceeding clients’ expectations.

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Careers at HP&D

HP&D is 100% employee-owned. We offer competitive compensation and benefits, and the opportunity to thrive in a vibrant culture that stands the test of time. Are you a team player who is eager to learn, grow and excel in a supportive environment where your ideas, experiences and entrepreneurial spirit are recognized and appreciated? Apply today!

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