| Communications equipement |
| 15 |
L-3 Communications Inc. |
$926,471,326 |
14 |
| 20 |
Motorola Inc. |
$638,728,339 |
21 |
| 64 |
Lucent Technologies Inc. |
$151,164,350 |
78 |
| 72 |
Avaya Inc. |
$122,178,535 |
96 |
| Defense |
| 1 |
Lockheed Martin Corp. |
$5,969,781,647 |
1 |
| 10 |
Boeing Co. |
$1,725,957,250 |
4 |
| 11 |
BAE Systems North America Inc.** |
$1,313,377,651 |
12 |
| 12 |
Titan Corp. |
$1,183,394,966 |
9 |
| 16 |
ITT Industries Inc. |
$781,851,929 |
26 |
| 2 |
Northrop Grumman Corp. |
$4,738,431,188 |
2 |
| 28 |
Jacobs Engineering Group Inc. |
$457,800,000 |
25 |
| 29 |
Rockwell Collins Inc. |
$445,056,484 |
27 |
| 32 |
Honeywell International Inc. |
$418,192,374 |
23 |
| 5 |
General Dynamics Corp. |
$2,197,445,536 |
6 |
| 69 |
Dynamics Research Corp. |
$131,313,869 |
77 |
| 7 |
Raytheon Co. |
$2,112,003,170 |
7 |
| 75 |
DRS Technologies Inc. |
$111,055,130 |
-- |
| 81 |
Milcom Systems Corp. |
$104,285,375 |
68 |
| Engineering Services |
| 37 |
Mitre Corp. |
$301,532,591 |
18 |
| 40 |
Parsons Corp. |
$260,786,644 |
63 |
| 41 |
Battelle Memorial Institute |
$259,891,508 |
35 |
| 43 |
Engineered Support Systems Inc. |
$245,736,326 |
60 |
| 44 |
URS Corp. |
$238,673,840 |
29 |
| 60 |
EDO Corp. |
$161,327,000 |
50 |
| 63 |
Alion Science and Technology Corp. |
$156,200,000 |
55 |
| 65 |
Tetra Tech Inc. |
$145,167,391 |
53 |
| 67 |
Bechtel Group Inc. |
$137,506,960 |
74 |
| 74 |
Tybrin Corp. |
$117,000,000 |
58 |
| 77 |
Cubic Corp. |
$107,160,662 |
71 |
| 78 |
Scientific Research Corp. |
$107,105,573 |
69 |
| 79 |
Siemens AG |
$106,812,962 |
57 |
| 80 |
VSE Corp. |
$106,650,425 |
-- |
| 82 |
Chenega Corp. |
$103,823,861 |
81 |
| 83 |
Research Triangle Institute |
$103,782,673 |
99 |
| 87 |
Camber Corp. |
$96,438,975 |
87 |
| 97 |
CAS Inc. |
$74,695,814 |
92 |
| Hardware |
| 35 |
Hewlett-Packard Co. |
$315,690,068 |
56 |
| 39 |
MPC Computers LLC |
$266,437,582 |
73 |
| 42 |
EMC Corp. |
$257,403,992 |
82 |
| 8 |
Dell Inc. |
$2,018,891,479 |
13 |
| IT Services |
| 100 |
MZM Inc. |
$66,181,872 |
-- |
| 33 |
Apptis Inc. |
$411,307,863 |
45 |
| 36 |
RS Information Systems Inc. |
$307,290,643 |
40 |
| 38 |
Pearson Government Solutions Inc.** |
$289,360,697 |
44 |
| 45 |
Information Systems Support Inc. |
$226,748,337 |
48 |
| 47 |
Management Systems Designers Inc. |
$223,082,817 |
-- |
| 48 |
Apogen Technologies Inc. |
$217,971,040 |
62 |
| 52 |
Serco Services Inc.** |
$185,787,833 |
76 |
| 53 |
Stanley Associates Inc. |
$185,683,223 |
52 |
| 61 |
STG Inc. |
$159,000,000 |
70 |
| 68 |
F C Business Systems Inc. |
$134,835,416 |
91 |
| 70 |
Telos Corp. |
$130,731,329 |
49 |
| 84 |
QSS Group Inc. |
$103,727,414 |
54 |
| 85 |
Artel Inc. |
$102,484,523 |
97 |
| 88 |
TKC Communications LLC |
$96,319,262 |
-- |
| 89 |
Paradigm Solutions Corp. |
$94,668,110 |
-- |
| 90 |
J H M Research & Development Inc. |
$92,000,000 |
84 |
| 91 |
Force 3 Inc. |
$88,661,208 |
65 |
| 92 |
NCI Information Systems Inc. |
$88,300,000 |
-- |
| 93 |
Intergraph Corp. |
$83,074,128 |
64 |
| 99 |
CherryRoad Technologies Inc. |
$68,692,641 |
-- |
| Satellite communcations |
| 95 |
Datapath Inc. |
$78,487,557 |
-- |
| 96 |
Viasat Inc. |
$75,429,315 |
-- |
| Software |
| 30 |
Oracle Corp. |
$434,008,830 |
42 |
| 73 |
Computer Associates International Inc. |
$118,178,474 |
79 |
| 86 |
SAP AG |
$100,000,000 |
-- |
| Systems Integration |
| 13 |
Anteon International Corp. |
$1,128,520,000 |
19 |
| 14 |
IBM Corp. |
$1,043,902,072 |
11 |
| 17 |
CACI International Inc. |
$736,090,975 |
17 |
| 21 |
ManTech International Corp. |
$620,613,541 |
22 |
| 22 |
Unisys Corp. |
$607,445,769 |
28 |
| 23 |
Harris Corp. |
$604,881,648 |
16 |
| 24 |
BearingPoint Inc. |
$603,676,654 |
33 |
| 25 |
Accenture Inc. |
$541,347,374 |
24 |
| 27 |
SRA International Inc. |
$492,799,616 |
31 |
| 3 |
Science Applications International Corp. |
$3,781,547,913 |
5 |
| 34 |
Arinc Inc. |
$373,278,064 |
30 |
| 4 |
Computer Sciences Corp. |
$2,855,280,791 |
3 |
| 49 |
SI International Inc. |
$202,626,891 |
66 |
| 50 |
Perot Systems Corp. |
$196,668,815 |
46 |
| 51 |
Affiliated Computer Services Inc. |
$195,000,000 |
38 |
| 54 |
Thales Group |
$184,538,867 |
36 |
| 59 |
MTC Technologies Inc. |
$161,466,939 |
47 |
| 6 |
EDS Corp. |
$2,125,394,997 |
8 |
| 62 |
CGI AMS ** |
$158,222,639 |
48 |
| 66 |
PEC Solutions Inc. |
$142,147,037 |
89 |
| 76 |
Logistics Management Institute |
$109,312,176 |
-- |
| 9 |
Booz Allen Hamilton Inc. |
$1,775,263,282 |
10 |
| 94 |
Ciber Inc. |
$80,000,000 |
-- |
| Telecom |
| 18 |
MCI Inc. |
$720,000,000 |
37 |
| 26 |
Sprint Corp. |
$493,134,000 |
28 |
| 31 |
AT&T Corp. |
$433,738,313 |
20 |
| 55 |
Qwest Communications International Inc. |
$183,000,000 |
67 |
| 57 |
Verizon Communications Inc. |
$177,341,877 |
41 |
| Value-added reseller |
| 19 |
GTSI Corp. |
$681,984,861 |
15 |
| 46 |
DLT Solutions Inc. |
$225,572,963 |
95 |
| 56 |
CDW Government Inc. ** |
$180,201,794 |
43 |
| 58 |
World Wide Technology Inc. |
$175,243,534 |
51 |
| 71 |
Westwood Computer Corp. |
$125,210,595 |
-- |
| 98 |
iGov |
$70,213,777 |
-- |