Revenue figures are in millions of U.S. dollars. Currency conversions for non-U.S. firms calculated using average market conversion rates over each firm's fiscal year to mitigate the effects of currency fluctuations.
| Rank | Company | Leadership | Country | Last Year's Rank | 2008 Defense Revenue | 2007 Defense Revenue | 2008 Total Revenue | % of Revenue from Defense |
| 1 | Lockheed Martin | Robert Stevens, Chairman, President and CEO | U.S. | 1 | 39550 | 38513.0 | 42731 | 92.5 |
| 2 | BAE Systems | Ian King, CEO | U.K. | 3 | 32667 | 29800.0 | 34351 | 95.1 |
| 3 | Boeing | W. James McNerney, Chairman, President and CEO | U.S. | 2 | 31082 | 31175.0 | 60909 | 51 |
| 4 | Northrop Grumman | Ronald Sugar, Chairman and CEO | U.S. | 4 | 26579 | 24497.0 | 33887 | 78.4 |
| 5 | General Dynamics | Jay Johnson, President and CEO | U.S. | 5 | 22854 | 21519.0 | 29300 | 78 |
| 6 | Raytheon | William Swanson, Chairman and CEO | U.S. | 6 | 21551.8 | 19809.9 | 23174 | 93 |
| 7 | EADS | Louis Gallois, CEO | Netherlands | 7 | 16206.6 | 12241.3 | 63639.4 | 25.5 |
| 8 | L-3 Communications | Michael Strianese, Chairman, President and CEO | U.S. | 8 | 12159 | 11239.0 | 14901 | 81.6 |
| 9 | Finmeccanica | PierFrancesco Guarguaglini, President and CEO | Italy | 9 | 10219 | 9861.0 | 22119 | 46.2 |
| 10 | United Technologies | Louis R. Chênevert, President and CEO | U.S. | 10 | 9975.8 | 8761.4 | 58681 | 17 |
| 11 | Thales | Luc Vigneron, Chairman and CEO | France | 11 | 8020 | 7200.0 | 18650 | 43 |
| 12 | SAIC | Ken Dahlberg, Chairman and CEO | U.S. | 12 | 7661 | 6503.0 | 10070 | 76 |
| 13 | ITT | Steven Loranger, Chairman, President and CEO | U.S. | 17 | 6282 | 4176.0 | 11694.8 | 53.7 |
| 14 | KBR | William Utt, Chairman, President and CEO" | U.S. | 13 | 5997.1 | 5967.0 | 11581 | 51.8 |
| 15 | Honeywell | David Cote, Chairman and CEO | U.S. | 14 | 5313 | 5017.0 | 36556 | 14.5 |
| 16 | Almaz-Antei | Vladislav Menshikov, Director | Russia | 24 | 4335.2 | 2782.1 | 4616.8 | 93.9 |
| 17 | Rolls-Royce | (Sir) John Rose, CEO | U.K. | 16 | 4237.6 | 4402.8 | 16950.6 | 25.2 |
| 18 | GE Aviation | David Joyce, President and CEO | U.S. | 15 | 4000 | 4500.0 | 19200 | 20.8 |
| 19 | Navistar | Daniel Ustian, Chairman, President and CEO | U.S. | 89 | 4000 | 429.0 | 14724 | 27.2 |
| 20 | MBDA Missile Systems | Antoine Bouvier, CEO | France | NR | 3995 | 4124.0 | 3995 | 100 |
| 21 | Computer Sciences Corp. | Michael Laphen, Chairman, President and CEO | U.S. | 19 | 3800 | 3600.0 | 16500 | 23 |
| 22 | Booz Allen Hamilton | Ralph Shrader, Chairman and CEO | U.S. | 23 | 3575 | 2930.0 | 4300 | 83.1 |
| 23 | Textron | Lewis Campbell, Chairman and CEO | U.S. | 29 | 3400 | 2500.0 | 14200 | 23.9 |
| 24 | URS | Martin Koffel, CEO | U.S. | 31 | 3370 | 2173.0 | 10086 | 33.4 |
| 25 | DCNS | Patrick Boissier, President and CEO | France | 18 | 3200 | 3837.0 | 3200 | 100 |
| 26 | Mitsubishi Heavy Industries | Hideaki Omiya, President | Japan | 25 | 3137.5 | 2874.0 | 33728.7 | 9.3 |
| 27 | Safran | Jean-Paul Herteman, CEO | France | 22 | 3038.9 | 3156.3 | 15193.2 | 20 |
| 28 | Saab Group | Ake Svensson, President and CEO | Sweden | 20 | 2932.7 | 2878.7 | 3651.2 | 80 |
| 29 | ATK | Dan Murphy, Chairman, President and CEO | U.S. | 26 | 2850 | 2670.0 | 4583.2 | 62.2 |
| 30 | QinetiQ | Graham Love, CEO | U.K. | 32 | 2588.5 | 2193.3 | 2783.4 | 93 |
| 31 | Rheinmetall AG | Klaus Eberhardt, CEO | Germany | 27 | 2535.4 | 2565.0 | 5407.7 | 46.9 |
| 32 | Elbit Systems | Joseph Ackerman, President and CEO | Israel | 36 | 2506.1 | 1882.9 | 2638 | 95 |
| 33 | Harris | Howard Lance, Chairman, President and CEO | U.S. | 39 | 2465.7 | 1738.8 | 5311 | 46.4 |
| 34 | Rockwell Collins | Clayton Jones, Chairman, President and CEO | U.S. | 30 | 2351 | 2231.0 | 4769 | 49.3 |
| 35 | Israel Aerospace Industries | Itzhak Nissan, President and CEO | Israel | 34 | 2203 | 1937.0 | 3585 | 61.5 |
| 36 | Bechtel | Riley Bechtel, Chairman and CEO | U.S. | 60 | 2202.9 | 1648.0 | 31400 | 7 |
| 37 | Agility | Tarek Abdul Aziz Sultan, Chairman and Managing Director | Kuwait | NR | 2200 | 2000.0 | 6800 | 32.4 |
| 38 | Dassault Aviation | Charles Edelstenne, Chairman and CEO | France | 28 | 2110.8 | 2404.1 | 5525.5 | 38.2 |
| 39 | Krauss-Maffei Wegmann | Frank Haun, Chairman and Managing Director | Germany | 35 | 2059.2 | 1914.7 | 2059.2 | 95 |
| 40 | Aviation Holding Company Sukhoi | Mikhail Pogosyan, Director | Russia | 37 | 2039.2 | 1715.4 | 2169.4 | 94 |
| 41 | Oshkosh Truck | Robert Bohn, Chairman and CEO | U.S. | 43 | 1991.9 | 1416.5 | 7138.3 | 27.9 |
| 42 | VT Group | Paul Lester, CEO | U.K. | 40 | 1960 | 1370.0 | 2700 | 72.6 |
| 43 | Cobham | Allan Cook, CEO | U.K. | 48 | 1932.4 | 1464.9 | 2720 | 71 |
| 44 | CACI International | Paul Cofoni, President and CEO | U.S. | 44 | 1807.8 | 1393.7 | 2420.5 | 74.7 |
| 45 | Goodrich | Marshall Larsen, Chairman, President and CEO | U.S. | 42 | 1794 | 1600.0 | 7062 | 25.4 |
| 46 | Babcock International Group | Peter Rogers, CEO | U.K. | 38 | 1755 | 1697.6 | 2700 | 65 |
| 47 | ManTech International | George Pedersen, Chairman and CEO | U.S. | 46 | 1754.9 | 1351.1 | 1870.9 | 93.8 |
| 48 | Hindustan Aeronautics | Ashok Naik, Chairman and Managing Director | India | 41 | 1585.1 | 1729.6 | 1981.4 | 80 |
| 49 | Mitsubishi Electric | Setsuhiro Shimomura, President and CEO | Japan | 59 | 1554.7 | 843.3 | 36621.3 | 4.2 |
| 50 | Kawasaki Heavy Industries | Tadaharu Ohashi, Chairman and President | Japan | 51 | 1528.8 | 586.2 | 13375.1 | 11.4 |
| 51 | Rafael Advanced Defense Systems | Yedidia Yaari, President and CEO | Israel | 45 | 1528 | 1286.0 | 1528 | 100 |
| 52 | Serco | Christopher Hyman, CEO | U.K. | NR | 1446.6 | 1460.9 | 5786.20 " | 25 |
| 53 | Force Protection | Michael Moody, President and CEO | U.S. | 56 | 1326.3 | 890.7 | 1326.3 | 100 |
| 54 | Singapore Technologies Engineering | Tan Pheng Hock, President and CEO | Singapore | 49 | 1247.6 | 1106.4 | 3780.7 | 33 |
| 55 | Tactical Missiles | Boris Obnosov, Director | Russia | 50 | 1152.6 | 1056.0 | 1213.3 | 95 |
| 56 | Irkut | Oleg Demchenko, Director | Russia | 47 | 1149.8 | 1184.3 | 1255.2 | 91.6 |
| 57 | General Atomics | Neal Blue, Chairman & CEO | U.S. | NR | 1142.9 | 972.8 | NA | NA |
| 58 | NEC | Kaoru Yano, President | Japan | 74 | 981.2 | 629.2 | 42121.9 | 2.3 |
| 59 | Indra Sistemas | Javier Monzón, Executive Chairman | Spain | 54 | 944 | 932.0 | 3284.4 | 28.7 |
| 60 | Diehl Stiftung | Thomas Diehl, President and CEO | Germany | 53 | 911.3 | 972.1 | 3131.6 | 29.1 |
| 61 | Fluor | Alan Boeckmann, Chairman and CEO | U.S. | NR | 864.6 | 558.0 | 22325.9 | 3.9 |
| 62 | Jacobs Engineering | Craig Martin, President and CEO | U.S. | 77 | 846.9 | 627.0 | 11252.2 | 7.5 |
| 63 | Meggitt | Terry Twigger, CEO | U.K. | 64 | 845.3 | 672.4 | 2151.3 | 39.3 |
| 64 | Russian Helicopters | Andrei Shibitov, Director | Russia | 62 | 845.1 | 723.9 | 1657.1 | 51 |
| 65 | VSE | Maurice "Mo" Gauthier | U.S. | NR | 831.7 | 538.5 | 1043.7 | 79.7 |
| 66 | Kongsberg Gruppen | Walter Qvam, CEO | Norway | 71 | 799.6 | 570.8 | 1986.1 | 40 |
| 67 | Battelle | Jeffrey Wadsworth, President and CEO | U.S. | 52 | 794 | 988.0 | 4600 | 17.3 |
| 68 | Ruag | Lukas Braunschweiler, CEO | Switzerland | 92 | 777 | 569.0 | 1420 | 54.7 |
| 69 | Nexter Systems | Luc Vigneron, CEO | France | 57 | 766 | 776.0 | 766 | 100 |
| 70 | Teledyne Technologies | Robert Mehrabian, CEO | U.S. | 65 | 754.2 | 664.5 | 1893 | 39.8 |
| 71 | Samsung Techwin | ChangSuk Oh, President and CEO | South Korea | NR | 746.5 | 769.0 | 2121.9 | 35.2 |
| 72 | GKN Group | (Sir) Kevin Smith, CEO | U.K. | 55 | 743.3 | 656.4 | 8562.5 | 8.6 |
| 73 | Ultra Electronics | Douglas Caster, CEO | U.K. | 70 | 735.9 | 611.5 | 955.6 | 77 |
| 74 | Bharat Electronics | Ashwani Kumar Datt, Chairman and Managing Director | India | 58 | 733.1 | 892.7 | 917.1 | 79.9 |
| 75 | ARINC | John Belcher, Chairman and CEO | U.S. | 79 | 702.8 | 505.2 | 1162.6 | 60.5 |
| 76 | SRA International | Stanton Sloane, President and CEO | U.S. | NR | 669.1 | 614.4 | 1506.9 | 44.4 |
| 77 | Curtiss-Wright | Martin Benante, Chairman and CEO | U.S. | 76 | 663 | 613.0 | 1831 | 36.2 |
| 78 | Israel Military Industries | Avi Felder, Managing Director | Israel | 73 | 660 | 570.0 | 660 | 100 |
| 79 | CAE | Robert Brown, President and CEO | Canada | 75 | 649 | 543.4 | 1489.8 | 43.6 |
| 80 | Uralvagonzavod | Oleg Siyenko, Director | Russia | NR | 646.8 | 400.0 | 1848.1 | 35 |
| 81 | Patria Oy | Heikki Allonen, CEO | Finland | 61 | 643 | 636.0 | 748 | 86 |
| 82 | Alion Science and Technology | Bahman Atefi, Chairman and CEO | U.S. | 67 | 639 | 642.0 | 739 | 86.5 |
| 83 | Cubic | Walter Zable, Chairman, President and CEO | U.S. | 68 | 607.8 | 641.1 | 881.1 | 69 |
| 84 | KB Priborostroyeniya | Igor Stepanichev, Acting Director | Russia | 81 | 607 | 493.8 | 610 | 99.5 |
| 85 | FLIR | Earl Lewis, Chairman, President and CEO | U.S. | 94 | 600 | 382.0 | 1022 | 58.7 |
| 86 | Fincantieri - Cantieri Navali Italiani S.p.A. | Giuseppe Bono, CEO | Italy | 69 | 584.5 | 635.1 | 4081.8 | 14.3 |
| 87 | Chemring Group | David Price, CEO | U.K. | 82 | 555 | 490.0 | 575 | 96.5 |
| 88 | Day & Zimmermann | Harold Yoh, Chairman and CEO | U.S. | 83 | 548.3 | 491.5 | 2324 | 23.6 |
| 89 | Ufa Enginebuilding | Alexander Artyukhov, Director | Russia | 72 | 541 | 588.6 | 601 | 90 |
| 90 | AAR | David Storch, Chairman and CEO | U.S. | 95 | 516.9 | 379.2 | 1384.2 | 37.3 |
| 91 | Nammo | Edgar Fossheim, President and CEO | Norway | NR | 510.4 | 365.1 | 5946 | 8.5 |
| 92 | Embraer | Frederico Fleury Curado | Brazil | NR | 504.8 | 346.4 | 6335.2 | 8 |
| 93 | ASELSAN Elektronik Sanayi ve Ticaret A.?. | Cengiz Ergeneman, General Manager | Turkey | 86 | 488.2 | 423.3 | 535.5 | 91.2 |
| 94 | Korea Aerospace Industries | Hong Kyung Kim, President and CEO | Korea | NR | 484.7 | 542.9 | 790 | 61.4 |
| 95 | Fujitsu | Kuniaki Nozoe, President | Japan | 87 | 442.6 | 387.9 | 46891 | 0.9 |
| 96 | Ball Aerospace & Technologies | David Taylor, President and CEO | U.S. | 88 | 429 | 432.0 | 746 | 57.5 |
| 97 | Hyundai Rotem | Yeo-sung Lee, President and CEO | South Korea | 91 | 414.2 | 400.7 | 2090.1 | 19.8 |
| 98 | Accenture | William Green, Chairman and CEO | U.S. | 99 | 400 | 304.2 | 23387 | 1.7 |
| 99 | RTI Systems Concern | Sergei Tischenko, Director | Russia | NR | 396.1 | 313.5 | 471.5 | 84 |
| 100 | ViaSat | Mark Dankberg, Chairman and CEO | U.S. | 98 | 389 | 320.0 | 628 | 61.9 |
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