| 1 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $304,665,747 | 4 |
| 2 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $54,606,598 | 6 |
| 3 | 561210 | FACILITIES SUPPORT SERVICES | $53,585,585 | 11 |
| 4 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $12,125,858 | 12 |
| 5 | 541519 | OTHER COMPUTER RELATED SERVICES | $11,775,121 | 4 |
| 6 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $11,370,654 | 3 |
| 7 | 561510 | TRAVEL AGENCIES | $9,622,627 | 1 |
| 8 | 541330 | ENGINEERING SERVICES | $7,429,628 | 3 |
| 9 | 532420 | OFFICE MACHINERY AND EQUIPMENT RENTAL AND LEASING | $1,330,469 | 1 |
| 10 | 519290 | WEB SEARCH PORTALS AND ALL OTHER INFORMATION SERVICES | $761,346 | 1 |
| 11 | 541310 | ARCHITECTURAL SERVICES | $636,750 | 2 |
| 12 | 561720 | JANITORIAL SERVICES | $620,997 | 3 |
| 13 | 238990 | ALL OTHER SPECIALTY TRADE CONTRACTORS | $519,013 | 1 |
| 14 | 561621 | SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) | $270,358 | 1 |
| 15 | 561730 | LANDSCAPING SERVICES | $233,438 | 1 |
| 16 | 561611 | INVESTIGATION AND PERSONAL BACKGROUND CHECK SERVICES | $199,000 | 1 |
| 17 | 336110 | AUTOMOBILE AND LIGHT DUTY MOTOR VEHICLE MANUFACTURING | $131,016 | 1 |
| 18 | 238320 | PAINTING AND WALL COVERING CONTRACTORS | $129,123 | 1 |
| 19 | 541350 | BUILDING INSPECTION SERVICES | $126,062 | 1 |
| 20 | 722310 | FOOD SERVICE CONTRACTORS | $121,208 | 1 |
| 21 | 513210 | SOFTWARE PUBLISHERS | $119,058 | 1 |
| 22 | 921190 | OTHER GENERAL GOVERNMENT SUPPORT | $117,782 | 5 |
| 23 | 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $115,151 | 1 |
| 24 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $109,142 | 1 |
| 25 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $103,145 | 1 |
| 26 | 517111 | WIRED TELECOMMUNICATIONS CARRIERS | $93,896 | 1 |
| 27 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $52,421 | 1 |
| 28 | 611630 | LANGUAGE SCHOOLS | $50,481 | 1 |
| 29 | 458110 | CLOTHING AND CLOTHING ACCESSORIES RETAILERS | $49,749 | 1 |
| 30 | 238390 | OTHER BUILDING FINISHING CONTRACTORS | $46,689 | 1 |
| 31 | 532111 | PASSENGER CAR RENTAL | $40,380 | 1 |
| 32 | 517112 | WIRELESS TELECOMMUNICATIONS CARRIERS (EXCEPT SATELLITE) | $34,808 | 1 |
| 33 | 811111 | GENERAL AUTOMOTIVE REPAIR | $25,398 | 1 |
| 34 | 611710 | EDUCATIONAL SUPPORT SERVICES | $22,741 | 1 |
| 35 | 334119 | OTHER COMPUTER PERIPHERAL EQUIPMENT MANUFACTURING | $21,440 | 1 |
| 36 | 337122 | NONUPHOLSTERED WOOD HOUSEHOLD FURNITURE MANUFACTURING | $20,803 | 1 |
| 37 | 711310 | PROMOTERS OF PERFORMING ARTS, SPORTS, AND SIMILAR EVENTS WITH FACILITIES | $15,000 | 1 |
| 38 | 541613 | MARKETING CONSULTING SERVICES | $13,603 | 1 |
| 39 | 423850 | SERVICE ESTABLISHMENT EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS | $12,484 | 1 |
| 40 | 523910 | MISCELLANEOUS INTERMEDIATION | $11,282 | 1 |
| 41 | 541614 | PROCESS, PHYSICAL DISTRIBUTION, AND LOGISTICS CONSULTING SERVICES | $9,718 | 1 |
| 42 | 517121 | TELECOMMUNICATIONS RESELLERS | $9,594 | 1 |
| 43 | 339999 | ALL OTHER MISCELLANEOUS MANUFACTURING | $8,697 | 1 |
| 44 | 221310 | WATER SUPPLY AND IRRIGATION SYSTEMS | $7,319 | 1 |
| 45 | 812930 | PARKING LOTS AND GARAGES | $3,500 | 1 |