Home/Top lists/Department of Homeland Security NAICS 561621 PSC paths/Department of Homeland Security, NAICS 561621, PSC R499
Buyer + NAICS + PSC recipient rankings
Top federal contractors for Department of Homeland Security, NAICS 561621, and PSC R499.
Strongest contractor profiles in this buyer cross-code slice.
Buyer + NAICS + PSC recipient rankings
Top federal contractors for Department of Homeland Security, NAICS 561621, and PSC R499
Ranked contractor profiles for this slice.
1
Serco INC
Herndon, VA · Department of Defense
$1,004,172,019
2
Paragon Systems INC
Herndon, VA · Department of Homeland Security
$520,432,734
3
Centerra Group, LLC
Herndon, VA · Department of Energy
$305,938,174
4
Alutiiq Global Solutions, LLC
Anchorage, AK · Department of Defense
$208,315,787
5
The Whitestone Group, Inc.
Reynoldsburg, OH · Department of Transportation
$44,135,018
6
Alutiiq Business Services, LLC
Anchorage, AK · Department of Defense
$735,659
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