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Home/Department of Labor/PSC B599

Agency + PSC page

Department of Labor PSC B599 contractors

SPECIAL STUDIES/ANALYSIS- OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Labor.

Agency: Department of Labor
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$267,002,740

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Labor and PSC B599

Amentum National Security Programs, INC

Chantilly, VA

Amentum National Security Programs, INC is a federal category business profile based in Chantilly, VA. The current public data layer shows $402,038,105 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$10,320,499

Mathematica Inc.

Princeton, NJ

Mathematica Inc. is a federal category business profile based in Princeton, NJ. The current public data layer shows $108,612,602 in visible federal obligations across 183 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541720 (Research and Development in the Social Sciences and Humanities). The profile also shows meaningful product and service activity in PSC R499.

$256,682,241

Top ranking views

Focused rankings for PSC B599 under Department of Labor

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Top NAICS paths

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Open NAICS 541690

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Open NAICS 541990

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