Quality Transportation is Just a Call Away
At DRH Engineers PLC, we are a veteran-owned engineering company with over 45 years of experience providing high-level expertise and oversight for engineering projects of all scopes and sizes. We are proud to have a strong portfolio of project experience for both public and private clients throughout the Mid-Atlantic region.
Our Services
At DRH Engineers PLC, we offer a wide range of engineering services to meet the diverse needs of our clients. Our services include:
Structural Engineering
Our structural engineers specialize in designing and evaluating structures such as buildings, bridges, and retaining walls. We provide code analysis, failure analysis, and evaluation/condition reports of existing structures. We also offer design services for commercial, residential, and industrial buildings, as well as renovations and historical preservation.
Civil Engineering
Our civil engineers are experienced in designing and evaluating infrastructure projects such as utilities, public works, and transportation systems. We provide expertise in infrastructure design, construction inspections, and 3rd-party residential/commercial code inspections.
Forensic Engineering
Our forensic engineers specialize in investigating and analyzing engineering-related failures, accidents, and disputes. We conduct thorough investigations and provide expert testimony to help clients resolve disputes and achieve a fair outcome.
Solar Engineering
Our solar engineers design and evaluate solar energy systems for residential and commercial applications. We provide expert advice on solar panel installation, energy storage, and grid connectivity.
Engineering Excellence
At DRH Engineers PLC, we take pride in delivering high-quality engineering solutions that meet the highest standards of excellence. Our team of experienced engineers is dedicated to providing cost-effective solutions that meet the unique needs of each project.
Our Expertise
Our team of experienced engineers has a broad range of expertise in various fields, including:
- Structural engineering
- Civil engineering
- Forensic engineering
- Solar engineering
- Building design
- Bridge design
Accreditations
We are proud to be a member of various professional organizations, including the American Society of Civil Engineers, the Structural Engineers Association of Metropolitan Washington, and the National Academy of Forensic Engineers.
About Our Owner
Our founder, David R. Hall, PE, LS, DFE, F.ASCE, has over 45 years of experience as an engineer, overseeing the successful completion of a variety of project types for both private- and public-sector clients. He is a graduate of the Johns Hopkins University Whiting School of Engineering and is a Board Certified Diplomate Forensic Engineer by the Council of Engineering Specialty Boards (CESB).
Contact Us
If you're looking for a trusted engineering partner to help you bring your project to life, look no further than DRH Engineers PLC. Contact us today to learn more about our services and how we can help you achieve your engineering goals.
Professional Experiences and Recommendations
Many clients have had positive experiences working with DRH Engineers, particularly with Dave Hall, who is described as knowledgeable, professional, and easy to work with. Clients have praised the quality of his work, timely responses, and detailed reports. Several companies have highly recommended Dave for their structural engineering needs, and many have expressed gratitude for his help and expertise.
Pricing and Services
Clients have also commended the fair pricing and excellent services offered by DRH Engineers. The firm's ability to provide precise and accurate work has been recognized, and many have appreciated the quick turnaround time for producing certified plans.
Work with Solar Companies
Several solar companies have worked with DRH Engineers, praising their services, communication, and quality of work. One solar company has certified hundreds of their solar designs with the help of DRH Engineers.
Client Testimonials
Many clients have shared personal experiences with Dave Hall, describing him as a pleasure to work with, easy-going, and courteous. One client even praised his ability to rescue them from a potentially costly crawlspace project.

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