| 1 | 336414 | GUIDED MISSILE AND SPACE VEHICLE MANUFACTURING | $2,488,824,241 | 1 |
| 2 | 621111 | OFFICES OF PHYSICIANS (EXCEPT MENTAL HEALTH SPECIALISTS) | $997,382,472 | 4 |
| 3 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $233,551,131 | 4 |
| 4 | 237990 | OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION | $153,465,586 | 2 |
| 5 | 334220 | RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING | $144,052,704 | 3 |
| 6 | 488190 | OTHER SUPPORT ACTIVITIES FOR AIR TRANSPORTATION | $143,551,691 | 1 |
| 7 | 611519 | OTHER TECHNICAL AND TRADE SCHOOLS | $132,730,393 | 1 |
| 8 | 562211 | HAZARDOUS WASTE TREATMENT AND DISPOSAL | $100,289,100 | 1 |
| 9 | 523150 | INVESTMENT BANKING AND SECURITIES INTERMEDIATION | $80,289,982 | 1 |
| 10 | 541519 | OTHER COMPUTER RELATED SERVICES | $32,959,406 | 7 |
| 11 | 236210 | INDUSTRIAL BUILDING CONSTRUCTION | $22,723,325 | 1 |
| 12 | 541330 | ENGINEERING SERVICES | $19,851,974 | 3 |
| 13 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $8,923,478 | 1 |
| 14 | 561210 | FACILITIES SUPPORT SERVICES | $8,127,638 | 21 |
| 15 | 541612 | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) | $7,681,522 | 1 |
| 16 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $7,219,148 | 7 |
| 17 | 511210 | SOFTWARE PUBLISHERS | $5,906,889 | 6 |
| 18 | 562119 | OTHER WASTE COLLECTION | $3,087,625 | 1 |
| 19 | 334119 | OTHER COMPUTER PERIPHERAL EQUIPMENT MANUFACTURING | $2,664,959 | 1 |
| 20 | 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE | $2,625,030 | 1 |
| 21 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $2,557,652 | 1 |
| 22 | 541614 | PROCESS, PHYSICAL DISTRIBUTION, AND LOGISTICS CONSULTING SERVICES | $2,136,193 | 1 |
| 23 | 561110 | OFFICE ADMINISTRATIVE SERVICES | $2,047,791 | 5 |
| 24 | 541714 | RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY (EXCEPT NANOBIOTECHNOLOGY) | $1,733,223 | 2 |
| 25 | 611430 | PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING | $1,581,159 | 1 |
| 26 | 333120 | CONSTRUCTION MACHINERY MANUFACTURING | $1,419,019 | 2 |
| 27 | 811210 | ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $1,352,070 | 4 |
| 28 | 811213 | COMMUNICATION EQUIPMENT REPAIR AND MAINTENANCE | $1,025,587 | 1 |
| 29 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $889,225 | 3 |
| 30 | 811412 | APPLIANCE REPAIR AND MAINTENANCE | $859,164 | 1 |
| 31 | 493110 | GENERAL WAREHOUSING AND STORAGE | $750,782 | 1 |
| 32 | 611310 | COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS | $671,560 | 2 |
| 33 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $664,238 | 1 |
| 34 | 324110 | PETROLEUM REFINERIES | $529,834 | 99 |
| 35 | 561320 | TEMPORARY HELP SERVICES | $505,128 | 1 |
| 36 | 561720 | JANITORIAL SERVICES | $448,365 | 3 |
| 37 | 221310 | WATER SUPPLY AND IRRIGATION SYSTEMS | $381,314 | 1 |
| 38 | 339112 | SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING | $378,358 | 2 |
| 39 | 611512 | FLIGHT TRAINING | $341,160 | 1 |
| 40 | 334511 | SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING | $286,707 | 1 |
| 41 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $272,177 | 4 |
| 42 | 334419 | OTHER ELECTRONIC COMPONENT MANUFACTURING | $259,480 | 2 |
| 43 | 322230 | STATIONERY PRODUCT MANUFACTURING | $248,552 | 1 |
| 44 | 541712 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) | $245,293 | 1 |
| 45 | 517312 | WIRELESS TELECOMMUNICATIONS CARRIERS (EXCEPT SATELLITE) | $224,347 | 2 |
| 46 | 332439 | OTHER METAL CONTAINER MANUFACTURING | $204,606 | 1 |
| 47 | 333924 | INDUSTRIAL TRUCK, TRACTOR, TRAILER, AND STACKER MACHINERY MANUFACTURING | $188,155 | 1 |
| 48 | 333112 | LAWN AND GARDEN TRACTOR AND HOME LAWN AND GARDEN EQUIPMENT MANUFACTURING | $183,508 | 2 |
| 49 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $175,706 | 1 |
| 50 | 531390 | OTHER ACTIVITIES RELATED TO REAL ESTATE | $165,672 | 1 |
| 51 | 332992 | SMALL ARMS AMMUNITION MANUFACTURING | $162,595 | 2 |
| 52 | 513210 | SOFTWARE PUBLISHERS | $147,270 | 1 |
| 53 | 322121 | PAPER (EXCEPT NEWSPRINT) MILLS | $142,867 | 1 |
| 54 | 811219 | OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $140,019 | 1 |
| 55 | 561492 | COURT REPORTING AND STENOTYPE SERVICES | $119,122 | 2 |
| 56 | 334118 | COMPUTER TERMINAL AND OTHER COMPUTER PERIPHERAL EQUIPMENT MANUFACTURING | $113,063 | 1 |
| 57 | 541350 | BUILDING INSPECTION SERVICES | $79,475 | 1 |
| 58 | 337215 | SHOWCASE, PARTITION, SHELVING, AND LOCKER MANUFACTURING | $78,213 | 1 |
| 59 | 611420 | COMPUTER TRAINING | $56,600 | 1 |
| 60 | 336411 | AIRCRAFT MANUFACTURING | $53,571 | 1 |
| 61 | 334310 | AUDIO AND VIDEO EQUIPMENT MANUFACTURING | $27,026 | 1 |
| 62 | 812332 | INDUSTRIAL LAUNDERERS | $22,223 | 1 |
| 63 | 336413 | OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | $19,083 | 1 |
| 64 | 921190 | OTHER GENERAL GOVERNMENT SUPPORT | $13,757 | 1 |
| 65 | 332912 | FLUID POWER VALVE AND HOSE FITTING MANUFACTURING | $9,599 | 1 |
| 66 | 325411 | MEDICINAL AND BOTANICAL MANUFACTURING | $1,390 | 6 |
| 67 | 531130 | LESSORS OF MINIWAREHOUSES AND SELF-STORAGE UNITS | $772 | 1 |
| 68 | 541930 | TRANSLATION AND INTERPRETATION SERVICES | $303 | 2 |
| 69 | 332722 | BOLT, NUT, SCREW, RIVET, AND WASHER MANUFACTURING | $218 | 1 |