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70 Administration & Management
51 Aeronautics
98 Agriculture
54 Astronomy
55 Atmospherics
92 Behavior & Society
95 Biomedical/Human Factors
89 Building
96 Business
99 Chemistry
50 Civil Engineering
81 Combustion
45 Communication
62 Computers
63 Detection
49 Electro technology
97 Energy
68 Environment
90 Government Inventions
44 Health Care
94 Industrial Engineering
88 Library & Information Sciences
41 Manufacturing
71 Materials
72 Mathematics
57 Medicine & Biology
74 Military
75 Missile Technology
48 Natural Resources & Earth Sciences
76 Navigation, Guidance, & Control
77 Nuclear Science & Technology
47 Ocean Sciences & Technology
79 Ordnance
82 Photography & Recording Devices
46 Physics
84 Space Technology
43 State & Local Problem Solving
85 Transportation
91 Urban Development
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