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Dedicated Ally, Trusted Advisor

We are thought leaders and problem solvers, the partner our clients depend on when knowledge, experience and integrity matter. We are customer-driven and employee-owned — a collaborative team of engineers, technicians, and service professionals individually empowered to do whatever it takes to help our clients.

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Established in 1982, we offer a full range of electrical and mechanical engineering, testing and commissioning, and facility management support services. We work on projects of any size from small commercial buildings to large state-of-the-art data centers and critical facilities.


NETA is the preeminent professional organization in the industry, setting the standard for electrical power systems testing and equipment assessment. As a NETA accredited company, HP&D employs a team of NETA Certified Technicians and support personnel experienced in all facets of electrical power system testing and maintenance, doing so in accordance with ANSI/NETA Standards.

NETA’s two-fold accreditation process certifies both HP&D and our staff, assuring our clients of our company qualifications and individual technician credentials. Our NETA Certified Technicians bring the knowledge and field experience necessary to perform testing according to industry standards. Our NETA Technician’s work experience, education, and training keeps them current with new technologies and provides them the knowledge to perform testing across a wide variety of power systems.

As a NETA accredited company, HP&D recognizes its safety program is essential to ensuring all other operational goals are met. Safety compliance means upholding the highest standards in the industry: standards put forth by OSHA, ASTM, NFPA, IEEE, The National Safety Council, CSA, NEMA, and others. With a dedication to safety, HP&D implements procedures and continually reviews and updates the firm’s safety program.

We have been very pleased with the services provided by HP&D. We have confidence in their expertise and knowledge, and we feel that their close attention to detail has raised the quality of our data center facility operations. We can confidently recommend them for their knowledge and expertise with energy delivery systems design and operations.

Charles Hunn, President (retired)Star Electrical Contractors

When working in mission-critical facilities, it's easy to lose sleep by being worried about if you did it right and if you made the right choices. HP&D removes these worries and lets me sleep well at night. I strongly recommend them.

Keith Rosdahl, Project ManagerParsons Electric

The biggest difference we see with HP&D is that their people not only do a great job of commissioning, but they also do a great job of helping the team solve the issues that are discovered. They are a valuable team member.

Rick Morgan, Sr. Vice PresidentHolder Construction

With over 21 years in data center construction and operation, this was my first time to witness a commissioning firm go through every piece of a new electrical system to test in any type of operational, failure or recovery mode. HP&D is the most impressive firm I've been associated with.

Terry Gurganus, Critical Power Systems ManagerCB Richard Ellis

[HP&D] is a company with top-notch personnel who are known for the quality of their work product. They are widely respected throughout the United States and have a diverse client base.

Charles Cambron, Sr. Commissioning AgentHeery International

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