References for the project by the WaPo team
The Top Secret America database was put together by compiling hundreds of thousands of public records of government organizations and private-sector companies over the past two years. From these records, The Washington Post identified 45 government organizations (for example, the FBI) engaged in top-secret work and determined that those 45 organizations could be broken down into 1,271 sub-units (for example, the Terrorist Screening Center of the FBI).
The Post has divided top-secret work into 23 different categories. This company's work for the government falls under the types below.
"Top Secret America" is a project nearly two years in the making that describes the huge national security buildup in the United States after the Sept. 11, 2001, attacks.
Washington Post Investigates the Intelligence World Responsible for America’s Safety