| 1 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $147,724,597 | 10 |
| 2 | 541519 | OTHER COMPUTER RELATED SERVICES | $142,691,616 | 304 |
| 3 | 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $51,587,905 | 13 |
| 4 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $41,176,187 | 8 |
| 5 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $34,022,186 | 5 |
| 6 | 562112 | HAZARDOUS WASTE COLLECTION | $21,501,687 | 1 |
| 7 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $19,496,651 | 2 |
| 8 | 541219 | OTHER ACCOUNTING SERVICES | $12,595,919 | 2 |
| 9 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $10,500,162 | 10 |
| 10 | 511210 | SOFTWARE PUBLISHERS | $7,482,334 | 1 |
| 11 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $7,034,710 | 3 |
| 12 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $4,921,135 | 3 |
| 13 | 541720 | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES | $4,230,657 | 1 |
| 14 | 561320 | TEMPORARY HELP SERVICES | $2,559,683 | 2 |
| 15 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $2,413,415 | 3 |
| 16 | 541714 | RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY (EXCEPT NANOBIOTECHNOLOGY) | $2,000,000 | 1 |
| 17 | 323113 | COMMERCIAL SCREEN PRINTING | $1,890,362 | 1 |
| 18 | 339113 | SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING | $1,774,697 | 73 |
| 19 | 561210 | FACILITIES SUPPORT SERVICES | $1,617,916 | 11 |
| 20 | 541930 | TRANSLATION AND INTERPRETATION SERVICES | $1,413,536 | 5 |
| 21 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $1,031,708 | 6 |
| 22 | 813920 | PROFESSIONAL ORGANIZATIONS | $805,000 | 2 |
| 23 | 334513 | INSTRUMENTS AND RELATED PRODUCTS MANUFACTURING FOR MEASURING, DISPLAYING, AND CONTROLLING INDUSTRIAL PROCESS VARIABLES | $674,591 | 1 |
| 24 | 236210 | INDUSTRIAL BUILDING CONSTRUCTION | $673,577 | 1 |
| 25 | 624229 | OTHER COMMUNITY HOUSING SERVICES | $671,726 | 1 |
| 26 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $659,264 | 1 |
| 27 | 541380 | TESTING LABORATORIES AND SERVICES | $639,319 | 1 |
| 28 | 334419 | OTHER ELECTRONIC COMPONENT MANUFACTURING | $333,707 | 2 |
| 29 | 517312 | WIRELESS TELECOMMUNICATIONS CARRIERS (EXCEPT SATELLITE) | $288,082 | 1 |
| 30 | 334510 | ELECTROMEDICAL AND ELECTROTHERAPEUTIC APPARATUS MANUFACTURING | $228,735 | 1 |
| 31 | 517919 | ALL OTHER TELECOMMUNICATIONS | $193,159 | 1 |
| 32 | 811210 | ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $188,027 | 5 |
| 33 | 334220 | RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING | $182,481 | 2 |
| 34 | 561492 | COURT REPORTING AND STENOTYPE SERVICES | $172,269 | 1 |
| 35 | 541618 | OTHER MANAGEMENT CONSULTING SERVICES | $137,779 | 1 |
| 36 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $137,376 | 2 |
| 37 | 484210 | USED HOUSEHOLD AND OFFICE GOODS MOVING | $124,271 | 1 |
| 38 | 332999 | ALL OTHER MISCELLANEOUS FABRICATED METAL PRODUCT MANUFACTURING | $84,562 | 1 |
| 39 | 334111 | ELECTRONIC COMPUTER MANUFACTURING | $60,153 | 1 |
| 40 | 812930 | PARKING LOTS AND GARAGES | $59,295 | 1 |
| 41 | 561499 | ALL OTHER BUSINESS SUPPORT SERVICES | $45,041 | 1 |
| 42 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $31,198 | 1 |
| 43 | 334515 | INSTRUMENT MANUFACTURING FOR MEASURING AND TESTING ELECTRICITY AND ELECTRICAL SIGNALS | $18,496 | 1 |
| 44 | 311812 | COMMERCIAL BAKERIES | $1,377 | 2 |
| 45 | 423830 | INDUSTRIAL MACHINERY AND EQUIPMENT MERCHANT WHOLESALERS | $300 | 1 |