| 1 | 336411 | AIRCRAFT MANUFACTURING | $766,898,391 | 2 |
| 2 | 922190 | OTHER JUSTICE, PUBLIC ORDER, AND SAFETY ACTIVITIES | $568,127,847 | 1 |
| 3 | 541810 | ADVERTISING AGENCIES | $374,237,317 | 2 |
| 4 | 423450 | MEDICAL, DENTAL, AND HOSPITAL EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS | $232,952,070 | 2 |
| 5 | 339112 | SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING | $184,337,186 | 3 |
| 6 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $183,347,954 | 9 |
| 7 | 493110 | GENERAL WAREHOUSING AND STORAGE | $165,404,644 | 1 |
| 8 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $157,691,199 | 4 |
| 9 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $84,611,465 | 5 |
| 10 | 561320 | TEMPORARY HELP SERVICES | $52,368,368 | 3 |
| 11 | 541612 | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) | $48,076,089 | 2 |
| 12 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $42,546,400 | 10 |
| 13 | 541330 | ENGINEERING SERVICES | $41,461,303 | 15 |
| 14 | 621999 | ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES | $30,283,298 | 1 |
| 15 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $28,484,858 | 9 |
| 16 | 519130 | INTERNET PUBLISHING AND BROADCASTING AND WEB SEARCH PORTALS | $22,132,743 | 1 |
| 17 | 333922 | CONVEYOR AND CONVEYING EQUIPMENT MANUFACTURING | $17,135,869 | 1 |
| 18 | 561210 | FACILITIES SUPPORT SERVICES | $12,389,455 | 3 |
| 19 | 562910 | REMEDIATION SERVICES | $9,725,052 | 7 |
| 20 | 541519 | OTHER COMPUTER RELATED SERVICES | $9,348,935 | 9 |
| 21 | 561110 | OFFICE ADMINISTRATIVE SERVICES | $7,239,153 | 3 |
| 22 | 561621 | SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) | $5,723,464 | 2 |
| 23 | 722310 | FOOD SERVICE CONTRACTORS | $5,616,839 | 1 |
| 24 | 541380 | TESTING LABORATORIES AND SERVICES | $4,591,149 | 2 |
| 25 | 333994 | INDUSTRIAL PROCESS FURNACE AND OVEN MANUFACTURING | $4,576,140 | 2 |
| 26 | 334511 | SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING | $4,226,985 | 1 |
| 27 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $3,673,114 | 6 |
| 28 | 561410 | DOCUMENT PREPARATION SERVICES | $3,191,566 | 2 |
| 29 | 488320 | MARINE CARGO HANDLING | $3,080,169 | 11 |
| 30 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $2,886,809 | 1 |
| 31 | 561720 | JANITORIAL SERVICES | $2,685,455 | 1 |
| 32 | 327991 | CUT STONE AND STONE PRODUCT MANUFACTURING | $2,525,456 | 6 |
| 33 | 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE | $1,887,573 | 6 |
| 34 | 488999 | ALL OTHER SUPPORT ACTIVITIES FOR TRANSPORTATION | $1,839,600 | 1 |
| 35 | 541211 | OFFICES OF CERTIFIED PUBLIC ACCOUNTANTS | $1,358,000 | 1 |
| 36 | 541340 | DRAFTING SERVICES | $1,294,349 | 1 |
| 37 | 811219 | OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $1,240,515 | 1 |
| 38 | 541712 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) | $899,959 | 2 |
| 39 | 541720 | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES | $844,431 | 1 |
| 40 | 561990 | ALL OTHER SUPPORT SERVICES | $716,461 | 1 |
| 41 | 611310 | COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS | $679,184 | 1 |
| 42 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $653,228 | 5 |
| 43 | 511210 | SOFTWARE PUBLISHERS | $624,635 | 1 |
| 44 | 221210 | NATURAL GAS DISTRIBUTION | $611,862 | 3 |
| 45 | 334517 | IRRADIATION APPARATUS MANUFACTURING | $569,438 | 1 |
| 46 | 325412 | PHARMACEUTICAL PREPARATION MANUFACTURING | $447,407 | 2 |
| 47 | 541199 | ALL OTHER LEGAL SERVICES | $357,600 | 2 |
| 48 | 517110 | WIRED TELECOMMUNICATIONS CARRIERS | $282,416 | 1 |
| 49 | 532420 | OFFICE MACHINERY AND EQUIPMENT RENTAL AND LEASING | $246,319 | 1 |
| 50 | 221310 | WATER SUPPLY AND IRRIGATION SYSTEMS | $234,454 | 1 |
| 51 | 333924 | INDUSTRIAL TRUCK, TRACTOR, TRAILER, AND STACKER MACHINERY MANUFACTURING | $169,250 | 1 |
| 52 | 541930 | TRANSLATION AND INTERPRETATION SERVICES | $159,778 | 1 |
| 53 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $147,059 | 1 |
| 54 | 325414 | BIOLOGICAL PRODUCT (EXCEPT DIAGNOSTIC) MANUFACTURING | $145,824 | 1 |
| 55 | 517911 | TELECOMMUNICATIONS RESELLERS | $133,677 | 1 |
| 56 | 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $133,204 | 1 |
| 57 | 624190 | OTHER INDIVIDUAL AND FAMILY SERVICES | $107,409 | 1 |
| 58 | 339920 | SPORTING AND ATHLETIC GOODS MANUFACTURING | $96,242 | 1 |
| 59 | 561611 | INVESTIGATION AND PERSONAL BACKGROUND CHECK SERVICES | $85,730 | 1 |
| 60 | 621511 | MEDICAL LABORATORIES | $77,298 | 1 |
| 61 | 334111 | ELECTRONIC COMPUTER MANUFACTURING | $55,800 | 1 |
| 62 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $45,742 | 2 |
| 63 | 335999 | ALL OTHER MISCELLANEOUS ELECTRICAL EQUIPMENT AND COMPONENT MANUFACTURING | $44,400 | 1 |
| 64 | 325998 | ALL OTHER MISCELLANEOUS CHEMICAL PRODUCT AND PREPARATION MANUFACTURING | $40,580 | 2 |
| 65 | 481111 | SCHEDULED PASSENGER AIR TRANSPORTATION | $24,900 | 2 |
| 66 | 315990 | APPAREL ACCESSORIES AND OTHER APPAREL MANUFACTURING | $23,025 | 2 |
| 67 | 339940 | OFFICE SUPPLIES (EXCEPT PAPER) MANUFACTURING | $22,687 | 1 |
| 68 | 532111 | PASSENGER CAR RENTAL | $22,415 | 1 |
| 69 | 334519 | OTHER MEASURING AND CONTROLLING DEVICE MANUFACTURING | $18,973 | 2 |
| 70 | 541922 | COMMERCIAL PHOTOGRAPHY | $13,534 | 1 |
| 71 | 333315 | PHOTOGRAPHIC AND PHOTOCOPYING EQUIPMENT MANUFACTURING | $12,025 | 1 |
| 72 | 561492 | COURT REPORTING AND STENOTYPE SERVICES | $9,909 | 2 |
| 73 | 423990 | OTHER MISCELLANEOUS DURABLE GOODS MERCHANT WHOLESALERS | $9,600 | 1 |
| 74 | 332510 | HARDWARE MANUFACTURING | $7,328 | 1 |
| 75 | 611430 | PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING | $5,000 | 1 |
| 76 | 541191 | TITLE ABSTRACT AND SETTLEMENT OFFICES | $2,500 | 1 |
| 77 | 811192 | CAR WASHES | $1,675 | 1 |
| 78 | 334515 | INSTRUMENT MANUFACTURING FOR MEASURING AND TESTING ELECTRICITY AND ELECTRICAL SIGNALS | $726 | 1 |
| 79 | 315240 | WOMEN'S, GIRLS', AND INFANTS' CUT AND SEW APPAREL MANUFACTURING | $538 | 1 |