Who are the top contractors for National Science Foundation?
A direct answer for National Science Foundation contractor spending, with supporting agency and ranking links.
Direct answer
BOOZ ALLEN HAMILTON INC is the top listed contractor for National Science Foundation, with $388,311,513 in ingested obligations.
Answer Facts
Agency obligations$876,990,391
Award records32
Top contractorBOOZ ALLEN HAMILTON INC
Top NAICS561210 - FACILITIES SUPPORT SERVICES
Which market category matters most for National Science Foundation?
561210 - FACILITIES SUPPORT SERVICES is the largest visible NAICS category for National Science Foundation at $275,009,457.
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.