Developing industry-leading sustainable, renewable and reusable energy solutions. Learn More


Protecting, preserving and enhancing the environment through sustainable engineering solutions.  Learn More


Applying over 20 years of engineering experience to solve our client's most complex challenges.  Learn More

Welcome to Horne International.

Horne International is an engineering services company with over 20 years of experience in provision of integrated, systems approach-based solutions to the energy and environmental sectors. Our solutions are sustainable, agile, and provide immediate as well as long term results.

Horne International HQ
3975 University Drive, Suite 100
Fairfax, VA 22030

Phone: 703-641-1100
Toll Free: 800-99-HORNE


©2011 Horne International, Inc.