Agency + PSC page

Department of State PSC B550 contractors

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

Agency: Department of State

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$128,061,064

Visible recipients tied to Department of State and PSC B550

Guidehouse LLP

Mc Lean, VA

Guidehouse LLP is a federal category business profile based in Mc Lean, VA. The current public data layer shows $140,750,981 in visible federal obligations across 132 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$128,061,064