Government Publishing Office (GPO) - U.S. Citizenship and Immigration Services (USCIS)The Government Publishing Office (GPO) publishes trusted information for the Federal Government to the American people. They produce and distribute information products and services for all three branches of the Federal Government, including U.S. passports for the Department of State as well as the official publications of Congress, the White House, and other Federal agencies in digital and print formats. Provide for permanent public access to Federal Government information at no charge through the Federal Depository Library Program (FDLP) and govinfo. Operate distribution centers in Laurel, MD and Pueblo, CO that fulfill orders for Government publications.