JHNA is headquartered in the Washington D.C. suburb of Fairfax, Virginia, but our service offerings extend throughout the United States. Whether you need more information about our services, solutions, or capabilities or are interested in getting started on a project, we’d like to hear from you. Please contact one of our offices, email us at info@jhna.com, or fill out the form below and we’ll contact you within 24 hours, Monday – Friday. If you do not hear from us within that timeframe or if the matter is urgent, please call us at 703.946.7429.