Washington Technology's Top Government Contractors List

The 2017 Washington Technology Top 100 list ranks government technology contractors by their prime contract dollars in information technology, systems integration, telecommunications, engineering and professional services. The list includes 28 companies that are headquartered in Fairfax County. Seventy-eight of the top 100 companies have operations in Fairfax County.

Rank Company Name Contracts
($ billions)
City
 1. Leidos 6.89 Reston
 2. Northrop Grumman 6.17  Falls Church
 6. General Dynamics 4.25 Falls Church
 7. CSRA 3.88 Falls Church
 8. Booz Allen Hamilton 3.68 Tysons Corner
10. DXC Technology 3.17 Tysons Corner
11. SAIC 2.77 Tysons Corner
22. Engility 1.14 Chantilly
27. Vencore 1.04 Chantilly
30. ManTech International 0.90 Fairfax
32. Alion Science & Technology 0.76 Tysons Corner
40. Carahsoft Technology 0.55 Reston
49. Iron Bow Technologies 0.44 Chantilly
52. ICF International 0.41 Fairfax
55. DLT Solutions 0.37 Herndon
57. Actionet Inc. 0.36 Tysons Corner
62. ECS Federal 0.34 Fairfax
64. NCI Inc. 0.33 Reston
69. Maximus Inc. 0.30 Reston
71. Salient CRGT 0.28 Fairfax
73. ImmixGroup Inc. 0.28 Tysons Corner
78. Alvarez & Associates LLC 0.26 Tysons Corner
81. Four LLC 0.24 Herndon
83. Four Points Technology LLC 0.24 Chantilly
89. Thundercat Technology LLC 0.20 Reston
95. Affigent LLC 0.18 Herndon
97. Noblis Inc. 0.18 Reston
99. Calibre Systems 0.18 Alexandria