| 1 | 541712 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) | $8,506,600,508 | 2 |
| 2 | 561210 | FACILITIES SUPPORT SERVICES | $376,336,797 | 10 |
| 3 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $361,096,260 | 3 |
| 4 | 541711 | RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY | $288,212,197 | 2 |
| 5 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $288,103,396 | 3 |
| 6 | 517110 | WIRED TELECOMMUNICATIONS CARRIERS | $184,049,951 | 3 |
| 7 | 561440 | COLLECTION AGENCIES | $124,974,595 | 1 |
| 8 | 541330 | ENGINEERING SERVICES | $91,259,298 | 9 |
| 9 | 221122 | ELECTRIC POWER DISTRIBUTION | $90,846,859 | 1 |
| 10 | 541310 | ARCHITECTURAL SERVICES | $67,517,484 | 10 |
| 11 | 611519 | OTHER TECHNICAL AND TRADE SCHOOLS | $49,378,142 | 2 |
| 12 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $49,278,075 | 3 |
| 13 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $43,264,159 | 7 |
| 14 | 562910 | REMEDIATION SERVICES | $39,493,077 | 5 |
| 15 | 541613 | MARKETING CONSULTING SERVICES | $8,343,672 | 3 |
| 16 | 541110 | OFFICES OF LAWYERS | $6,250,000 | 1 |
| 17 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $5,365,083 | 1 |
| 18 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $5,001,892 | 3 |
| 19 | 237130 | POWER AND COMMUNICATION LINE AND RELATED STRUCTURES CONSTRUCTION | $4,606,854 | 2 |
| 20 | 524113 | DIRECT LIFE INSURANCE CARRIERS | $4,038,802 | 1 |
| 21 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $3,664,577 | 2 |
| 22 | 561421 | TELEPHONE ANSWERING SERVICES | $3,571,563 | 1 |
| 23 | 511120 | PERIODICAL PUBLISHERS | $2,248,949 | 1 |
| 24 | 519130 | INTERNET PUBLISHING AND BROADCASTING AND WEB SEARCH PORTALS | $2,076,998 | 2 |
| 25 | 541211 | OFFICES OF CERTIFIED PUBLIC ACCOUNTANTS | $2,041,269 | 1 |
| 26 | 333613 | MECHANICAL POWER TRANSMISSION EQUIPMENT MANUFACTURING | $1,843,700 | 1 |
| 27 | 315990 | APPAREL ACCESSORIES AND OTHER APPAREL MANUFACTURING | $1,585,648 | 2 |
| 28 | 334517 | IRRADIATION APPARATUS MANUFACTURING | $1,316,294 | 2 |
| 29 | 221210 | NATURAL GAS DISTRIBUTION | $1,142,504 | 1 |
| 30 | 523110 | INVESTMENT BANKING AND SECURITIES DEALING | $1,062,500 | 1 |
| 31 | 541612 | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) | $1,055,399 | 2 |
| 32 | 511210 | SOFTWARE PUBLISHERS | $723,068 | 4 |
| 33 | 541380 | TESTING LABORATORIES AND SERVICES | $683,973 | 10 |
| 34 | 339112 | SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING | $663,586 | 1 |
| 35 | 333314 | OPTICAL INSTRUMENT AND LENS MANUFACTURING | $529,491 | 2 |
| 36 | 515210 | CABLE AND OTHER SUBSCRIPTION PROGRAMMING | $473,739 | 1 |
| 37 | 339113 | SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING | $460,747 | 1 |
| 38 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $371,082 | 4 |
| 39 | 334419 | OTHER ELECTRONIC COMPONENT MANUFACTURING | $358,423 | 1 |
| 40 | 561730 | LANDSCAPING SERVICES | $348,417 | 4 |
| 41 | 541930 | TRANSLATION AND INTERPRETATION SERVICES | $340,131 | 1 |
| 42 | 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE | $320,354 | 1 |
| 43 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $319,267 | 3 |
| 44 | 337127 | INSTITUTIONAL FURNITURE MANUFACTURING | $213,840 | 1 |
| 45 | 812930 | PARKING LOTS AND GARAGES | $205,065 | 2 |
| 46 | 336611 | SHIP BUILDING AND REPAIRING | $201,234 | 2 |
| 47 | 221310 | WATER SUPPLY AND IRRIGATION SYSTEMS | $159,483 | 1 |
| 48 | 325998 | ALL OTHER MISCELLANEOUS CHEMICAL PRODUCT AND PREPARATION MANUFACTURING | $128,719 | 1 |
| 49 | 221112 | FOSSIL FUEL ELECTRIC POWER GENERATION | $126,765 | 1 |
| 50 | 336413 | OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | $123,330 | 1 |
| 51 | 813910 | BUSINESS ASSOCIATIONS | $101,729 | 1 |
| 52 | 811219 | OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $98,665 | 2 |
| 53 | 492210 | LOCAL MESSENGERS AND LOCAL DELIVERY | $95,692 | 1 |
| 54 | 541810 | ADVERTISING AGENCIES | $94,500 | 1 |
| 55 | 532490 | OTHER COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT RENTAL AND LEASING | $92,233 | 1 |
| 56 | 335314 | RELAY AND INDUSTRIAL CONTROL MANUFACTURING | $84,450 | 2 |
| 57 | 238990 | ALL OTHER SPECIALTY TRADE CONTRACTORS | $84,400 | 2 |
| 58 | 561611 | INVESTIGATION AND PERSONAL BACKGROUND CHECK SERVICES | $83,014 | 1 |
| 59 | 336411 | AIRCRAFT MANUFACTURING | $78,000 | 1 |
| 60 | 541199 | ALL OTHER LEGAL SERVICES | $68,836 | 2 |
| 61 | 621999 | ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES | $68,153 | 1 |
| 62 | 238210 | ELECTRICAL CONTRACTORS AND OTHER WIRING INSTALLATION CONTRACTORS | $55,296 | 3 |
| 63 | 334511 | SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING | $54,142 | 2 |
| 64 | 713990 | ALL OTHER AMUSEMENT AND RECREATION INDUSTRIES | $45,525 | 1 |
| 65 | 334111 | ELECTRONIC COMPUTER MANUFACTURING | $43,234 | 1 |
| 66 | 443120 | COMPUTER AND SOFTWARE STORES | $42,327 | 1 |
| 67 | 335999 | ALL OTHER MISCELLANEOUS ELECTRICAL EQUIPMENT AND COMPONENT MANUFACTURING | $37,563 | 1 |
| 68 | 541370 | SURVEYING AND MAPPING (EXCEPT GEOPHYSICAL) SERVICES | $35,206 | 1 |
| 69 | 562112 | HAZARDOUS WASTE COLLECTION | $35,178 | 2 |
| 70 | 488310 | PORT AND HARBOR OPERATIONS | $35,000 | 1 |
| 71 | 334519 | OTHER MEASURING AND CONTROLLING DEVICE MANUFACTURING | $33,731 | 1 |
| 72 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $29,600 | 1 |
| 73 | 333241 | FOOD PRODUCT MACHINERY MANUFACTURING | $29,240 | 2 |
| 74 | 333318 | OTHER COMMERCIAL AND SERVICE INDUSTRY MACHINERY MANUFACTURING | $26,150 | 1 |
| 75 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $26,000 | 3 |
| 76 | 621610 | HOME HEALTH CARE SERVICES | $25,123 | 1 |
| 77 | 517312 | WIRELESS TELECOMMUNICATIONS CARRIERS (EXCEPT SATELLITE) | $23,976 | 1 |
| 78 | 611310 | COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS | $21,444 | 2 |
| 79 | 424920 | BOOK, PERIODICAL, AND NEWSPAPER MERCHANT WHOLESALERS | $20,423 | 1 |
| 80 | 238190 | OTHER FOUNDATION, STRUCTURE, AND BUILDING EXTERIOR CONTRACTORS | $17,957 | 1 |
| 81 | 238290 | OTHER BUILDING EQUIPMENT CONTRACTORS | $16,701 | 1 |
| 82 | 333414 | HEATING EQUIPMENT (EXCEPT WARM AIR FURNACES) MANUFACTURING | $15,150 | 1 |
| 83 | 112990 | ALL OTHER ANIMAL PRODUCTION | $15,000 | 1 |
| 84 | 312112 | BOTTLED WATER MANUFACTURING | $14,658 | 1 |
| 85 | 325413 | IN-VITRO DIAGNOSTIC SUBSTANCE MANUFACTURING | $14,193 | 1 |
| 86 | 314110 | CARPET AND RUG MILLS | $14,173 | 1 |
| 87 | 334310 | AUDIO AND VIDEO EQUIPMENT MANUFACTURING | $13,467 | 1 |
| 88 | 517919 | ALL OTHER TELECOMMUNICATIONS | $9,960 | 1 |
| 89 | 238130 | FRAMING CONTRACTORS | $9,400 | 1 |
| 90 | 531190 | LESSORS OF OTHER REAL ESTATE PROPERTY | $9,120 | 1 |
| 91 | 332919 | OTHER METAL VALVE AND PIPE FITTING MANUFACTURING | $8,800 | 1 |
| 92 | 238160 | ROOFING CONTRACTORS | $8,456 | 1 |
| 93 | 423860 | TRANSPORTATION EQUIPMENT AND SUPPLIES (EXCEPT MOTOR VEHICLE) MERCHANT WHOLESALERS | $6,000 | 1 |
| 94 | 333315 | PHOTOGRAPHIC AND PHOTOCOPYING EQUIPMENT MANUFACTURING | $5,981 | 1 |
| 95 | 611699 | ALL OTHER MISCELLANEOUS SCHOOLS AND INSTRUCTION | $5,950 | 1 |
| 96 | 532310 | GENERAL RENTAL CENTERS | $5,928 | 1 |
| 97 | 335110 | ELECTRIC LAMP BULB AND PART MANUFACTURING | $5,904 | 1 |
| 98 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $4,927 | 1 |
| 99 | 561710 | EXTERMINATING AND PEST CONTROL SERVICES | $4,600 | 1 |
| 100 | 561492 | COURT REPORTING AND STENOTYPE SERVICES | $1,320 | 1 |