The Onyx Group, Inc. is excited to announce that we have merged with The Diallo Group, LLC.

We’re excited to share some big news! The Onyx Group, Inc. has officially merged with The Diallo Group, LLC and will now operate as The Diallo Group. This merger strengthens our capabilities while continuing to operate as a small business. We are proud to now be a woman-minority-service-disabled veteran-owned business (WBE, MBE, SDVOSB). Our expertise spans military acquisition planning, design, GIS, and environmental/engineering consulting. Stay tuned for what’s ahead as we continue to serve you under this exciting new chapter!

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Innovation through collaboration

The Onyx Group is a team of professionals dedicated to improving the places we live, work, and play. We work together to create sustainable land and facilities life cycle solutions, integrating planning, architecture, and technology.

Design. Dream.

Planning

Our Military Planning Section has completed many projects for the U.S. Department of Defense and other Federal agencies.

Space. Soul.

Architecture Interior Design

Our clients include both public and private entities with projects located nationally and globally.

Nurtured. Noted.

Landscape Architecture

Our landscape architecture services help create healthy, safe, and beautiful outdoor places for everyone.

Virtual. Vivid.

GIS

Whether the project involves data visualization, management, or collection

Connect with our architectural experts now.

We believe in innovation through collaboration as we integrate the skills of our Planning, Landscape Architecture, Architecture, Interior Design, and GIS sections to work together with our clients.