MEP Engineering | Commissioning | Security

Our Values

Our Founder and Principal, Dr. Rich Diddams, reminds our Team of professionals to serve a purpose higher than ourselves. Our ability to bring value is demonstrated through our Christian Integrity, hard work, and excellent
service to others.

Our Mission

Our Mission is to exceed our customer’s expectations in every encounter, product submission, and deliverable by ensuring we give each customer our very best service and product.

Who We Are

We are Engineering, Architectural, and Program Management Leaders who provide solutions to enhance society or solve emerging challenges at home and overseas.

Commander’s Concepts is a 100% Service-Disabled Veteran-Owned company that provides a complete array of Architectural + Engineering services. We believe each project awarded is entrusted to our care. We strive to create solutions that add value across the project’s life cycle through engineering efforts and by understanding the social and cultural conditions that influence the life of an individual or community. Our firm is focused on exceeding our customer’s expectations. We are grateful that over 95% of our customers are repeating from previous work.

Commander’s Team brings a technical approach to removing risk for our clients in the planning, pre-construction, construction, and commissioning phases through an integrated project delivery philosophy.

Our Team has offices in Virginia, Illinois, and Texas with a professional staff to provide the following services: Mechanical, Electrical, Plumbing, HVAC, Fire Protection, Structural, Process Controls, LEED Accreditation, Architectural (design, medical), and Security (assessments, active measures). Our customers have included virtually all federal and state agencies focusing on the USACE and Department of Veteran Affairs.

Generating New Ideas. Solving Big Problems


Repeat Customers

Combined Years Experience

Projects over budget


Service-Disabled Veteran-Owned

Our Latest Work

What Clients Are Saying

“Rich and his engineering team always operated with integrity and exceeded expectations. I will actively pursue Rich and his team for future work.”
Jeff Denton COR

Army Corps of Engineers, Huntsville District.

“CCCxA know how to help us meet the Customer’s needs. Rich’s professionalism and attention to detail made us a success.”
Joe Woody

Project Manager, Elegant ThemesA Vet Communication

“This management team was exceptional at anticipating client needs and having solutions to very difficult problems. I would gladly hire this team to lead projects in the future.”

Brad Smith CISSP, MCSE

Chief, HQ Mission Support Operations Branch, US Army Corps of Engineers

“Commanders (CCCxA) provided excellent service & worked extremely well with all parties. Top Notch in providing a responsive a complete report. Total professional with the appropriate resources – I would rehire Commanders again, & plan to at the next opportunity”.

Patrick E Stultz

VA VISN 6 Contracting Officer (2021)