Which market category matters most for Department of Energy?
561210 - FACILITIES SUPPORT SERVICES is the largest visible NAICS category for Department of Energy at $210,554,859,167.
- Agency obligations: $456,803,595,360
- Award records: 367
Who are the top contractors for Department of Energy?
A direct answer for Department of Energy contractor spending, with supporting agency and ranking links.
Direct answer
National Technology & Engineering Solutions of Sandia LLC is the top listed contractor for Department of Energy, with $42,111,665,692 in ingested obligations.
Answer Facts
Agency obligations$456,803,595,360
Award records367
Top contractorNational Technology & Engineering Solutions of Sandia LLC
Top NAICS561210 - FACILITIES SUPPORT SERVICES
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.
Market Analysis
Who are the top contractors for Department of Energy? is answered with the facts and supporting relationships visible on this page.
How to verify this answer
Use the source profile, ranking, and methodology links on this page to inspect the supporting USAspending.gov-derived rows before making a business or research decision.
- Agency obligations: $456,803,595,360
- Award records: 367
What this answer does not claim
This page does not forecast future awards, endorse a contractor, or infer facts outside the ingested federal spending records. Sparse or unsupported question URLs return a 404 or noindex treatment instead of being expanded into thin content.
- Agency obligations: $456,803,595,360
- Award records: 367
Source caveats
- Question pages are generated from ingested data-backed profiles and ranking slices.
- Pages without supporting rows return a 404 instead of a thin answer.
Which market category matters most for Department of Energy?
561210 - FACILITIES SUPPORT SERVICES is the largest visible NAICS category for Department of Energy at $210,554,859,167.
How to verify this answer
Use the source profile, ranking, and methodology links on this page to inspect the supporting USAspending.gov-derived rows before making a business or research decision.
What this answer does not claim
This page does not forecast future awards, endorse a contractor, or infer facts outside the ingested federal spending records. Sparse or unsupported question URLs return a 404 or noindex treatment instead of being expanded into thin content.