The Executive Office of the President of the United States (EOPOTUS or EOP) consists of the immediate staff of the incumbent President of the United States and multiple levels of support staff reporting to the President.
With the increase in technological and global advancement, the size of the White House staff has increased to include an array of policy experts to effectively address various fields of the modern day.
Office of Management and Budget OMB Circulars
Standard Industrial Classification Manual (1987)
North American Industry Classification System (NAICS)
Budget of the United States Government
Catalog of Federal Domestic Assistance
Chiefs of State and Cabinet Members of Foreign Governments
The World Factbook
Economic Report of the President