Washington Technology's Top Government Contractors List

The 2018 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 26 companies that are headquartered in Fairfax County. Seventy-seven of the top 100 companies have offices in Fairfax County.

Rank Company Name Contracts
($ billions)
City
 1 General Dynamics 7.26 Falls Church
 2 Leidos 6.79 Reston
 3 Northrop Grumman 6.67 Falls Church
 7 Booz Allen Hamilton 4.14 Tysons Corner
 8 Perspecta 2.95 Chantilly
 9 SAIC 2.69 Reston
21 ManTech International 1.47 Herndon
27 Engility 1.02 Chantilly
33 Alion Science & Technology 0.76 Tysons Corner
34 Peraton 0.74 Herndon
38 Carahsoft Technology 0.64 Reston
45 DynCorp International 0.50 Tysons Corner
47 ECS Federal 0.47 Fairfax
48 Iron Bow Technologies 0.63 Herndon
52 ICF International 0.38 Fairfax
60 DLT Solutions 0.35 Herndon
62 ActioNet Inc. 0.33 Vienna
65 Salient CRGT 0.33 Tysons Corner
69 immixGroup 0.30 Tysons Corner
72 MAXIMUS Inc. 0.29 Reston
73 Four Points Technology 0.29 Chantilly
75 NCI Inc. 0.28 Reston
85 ThunderCat Technology 0.23 Reston
94 Four LLC 0.21 Herndon
96 Alvarez & Associates 0.20 Tysons Corner
98 Noblis Inc. 0.18 Reston