Agency + PSC page

General Services Administration PSC R421 contractors

TECHNICAL ASSISTANCE. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under General Services Administration.

Agency: General Services Administration
Last updated: April 8, 2026

Visible recipients

7

Mapped obligations

$504,009,125

Top NAICS links

4

Top recipients

Visible recipients tied to General Services Administration and PSC R421

Northrop Grumman Information Technology INC

Mclean, VA

Northrop Grumman Information Technology INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,292,888,255 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 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D399.

$272,811,316

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 R423.

$72,331,514

Jones Lang Lasalle Americas, Inc.

Washington, DC

Jones Lang Lasalle Americas, Inc. is a federal category business profile based in Washington, DC. The current public data layer shows $31,315,334 in visible federal obligations across 191 awards or transactions. Department of Defense 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.

$46,357,678

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$63,927,536

Jones Lang Lasalle Americas, I

Aurora, CO

Jones Lang Lasalle Americas, I is a federal category business profile based in Aurora, CO. The current public data layer shows $1,615,759 in visible federal obligations across 5 awards or transactions. General Services Administration 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 X111.

-$3,483

Peraton Aerospace & Defense Inc.

Huntsville, AL

Peraton Aerospace & Defense Inc. is a federal category business profile based in Huntsville, AL. The current public data layer shows $1,359,998 in visible federal obligations across 34 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC R425.

$44,093,673

Global Evaluation & Applied Research Solutions (gears), Inc.

Atlanta, GA

Global Evaluation & Applied Research Solutions (gears), Inc. is a federal black american owned business profile based in Atlanta, GA. The current public data layer shows $81,053 in visible federal obligations across 13 awards or transactions. Department of Health and Human Services 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.

$4,490,891