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About us

Built on Vision, Evolved Through Growth

Empower, Educate, Elevate.

The Diallo Group founded in 1983, specializes in innovative planning solutions for Navy installation and facility planning. Our multidisciplinary team of planners, architects, designers, landscape architects, interior designers, and GIS specialists is dedicated to creating strategic, sustainable, and integrated approaches that enhance client value and optimize operations. As part of The Diallo Group—a collective of professionals committed to improving the places we live, work, and play—we work collaboratively with our clients to deliver comprehensive land and facilities life cycle solutions. By integrating planning, architecture, technology, and design, we empower, educate, and elevate communities and organizations.

Our process begins with understanding our clients’ needs, then carefully evaluating and addressing each project’s unique constraints to deliver the best total solution.At The Diallo Group, we are guided by our Core Values and a commitment to exceeding client expectations and industry standards through empowering, educating, and elevating our clients.

Why Choose Us

Trusted Experts in Design & Planning

TDG specializes in providing architecture and engineering services to federal customers worldwide. Over our 36 years in business, we have offered comprehensive planning, architecture, interior design, landscape architecture, and technology solutions to agencies such as the DOD, DHS, DOT, DOE, DOl, and GSA.Our Experties in environmental consulting and sustanability complements TDG extensive suite of  archietecture and engineering services.

we are dedicated to excellence in project management across all scales, consistently meeting and exceeding client expectations.

Leadership

Meet Our Team

Start Your Project

Turning strategy into action

Our Journey

 Built on Legacy. Driven by Vision.

Over four decades ago, The Diallo Group was founded with a vision to deliver innovative, mission-driven solutions in engineering, planning, and federal facility support. What began as a small team of technical experts has evolved into a nationally recognized firm trusted by the Department of Defense and other federal agencies.