Andrew’s Air Force Base                          

Benchmark Construction, Inc.            

Booz Allen Hamilton, Inc.                       

Bureau of Consular Affairs                         

Center for Army Analysis

Central Intelligence Agency

Defense Systems Management College

Department of Justice/LOC & UNICOR

Department of State

Department of Energy

Department of Education

Department of Agriculture

Department of Housing and Urban Development

Equal Employment Opportunity Commission

Elizabeth Vaughn Elementary School

Environmental Protection Agency

Federal Bureau of Prisons

First Data Merchant Services

Fredericksburg City Public Schools, Virginia

Fairfax County Public Schools, Virginia

General Dynamics

GrayBar                                                          

Harris Technical Services Corporation

Interagency Training Center

Lockheed Martin Transportation Security Solutions

Loiderman Middle School

Manassas Park City Schools, Virginia

Metropolitan Transport Authority

Metropolitan Washington Airport Authority

Naval Facilities Engineering Command

Naval Criminal Investigation Services

National Institutes of Health

Office of Emergency Management

Office of the Naval Judge Advocate General

Prince William County Public Schools, Virginia

RaytheonSocial Security Administration

Surface Deployment and Distribution Command

The Boyd School

Virginia Imports

Virginia Polytechnic Institute