| 1 | 541330 | ENGINEERING SERVICES | $944,211,737 | 20 |
| 2 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $51,809,334 | 2 |
| 3 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $38,592,417 | 2 |
| 4 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $30,206,650 | 3 |
| 5 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $27,433,266 | 2 |
| 6 | 541613 | MARKETING CONSULTING SERVICES | $8,306,982 | 1 |
| 7 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $7,293,422 | 2 |
| 8 | 561720 | JANITORIAL SERVICES | $6,302,042 | 1 |
| 9 | 611430 | PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING | $5,044,272 | 1 |
| 10 | 335999 | ALL OTHER MISCELLANEOUS ELECTRICAL EQUIPMENT AND COMPONENT MANUFACTURING | $4,586,700 | 1 |
| 11 | 541380 | TESTING LABORATORIES AND SERVICES | $4,395,353 | 2 |
| 12 | 561210 | FACILITIES SUPPORT SERVICES | $3,896,230 | 2 |
| 13 | 238290 | OTHER BUILDING EQUIPMENT CONTRACTORS | $3,131,001 | 2 |
| 14 | 315210 | CUT AND SEW APPAREL CONTRACTORS | $2,815,412 | 10 |
| 15 | 541714 | RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY (EXCEPT NANOBIOTECHNOLOGY) | $2,804,586 | 1 |
| 16 | 811219 | OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $2,296,681 | 5 |
| 17 | 561621 | SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) | $2,205,487 | 5 |
| 18 | 811212 | COMPUTER AND OFFICE MACHINE REPAIR AND MAINTENANCE | $2,171,248 | 4 |
| 19 | 621511 | MEDICAL LABORATORIES | $1,797,656 | 1 |
| 20 | 541310 | ARCHITECTURAL SERVICES | $1,777,909 | 5 |
| 21 | 221122 | ELECTRIC POWER DISTRIBUTION | $1,625,705 | 1 |
| 22 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $988,004 | 1 |
| 23 | 333924 | INDUSTRIAL TRUCK, TRACTOR, TRAILER, AND STACKER MACHINERY MANUFACTURING | $617,834 | 1 |
| 24 | 713940 | FITNESS AND RECREATIONAL SPORTS CENTERS | $515,276 | 1 |
| 25 | 541712 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) | $460,186 | 1 |
| 26 | 812332 | INDUSTRIAL LAUNDERERS | $407,406 | 2 |
| 27 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $334,754 | 4 |
| 28 | 325413 | IN-VITRO DIAGNOSTIC SUBSTANCE MANUFACTURING | $232,830 | 3 |
| 29 | 332510 | HARDWARE MANUFACTURING | $188,324 | 1 |
| 30 | 511210 | SOFTWARE PUBLISHERS | $133,702 | 1 |
| 31 | 315999 | OTHER APPAREL ACCESSORIES AND OTHER APPAREL MANUFACTURING | $131,946 | 2 |
| 32 | 335220 | MAJOR HOUSEHOLD APPLIANCE MANUFACTURING | $106,205 | 1 |
| 33 | 325120 | INDUSTRIAL GAS MANUFACTURING | $97,591 | 1 |
| 34 | 493110 | GENERAL WAREHOUSING AND STORAGE | $94,477 | 1 |
| 35 | 332911 | INDUSTRIAL VALVE MANUFACTURING | $78,580 | 1 |
| 36 | 334290 | OTHER COMMUNICATIONS EQUIPMENT MANUFACTURING | $70,000 | 1 |
| 37 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $67,058 | 2 |
| 38 | 315990 | APPAREL ACCESSORIES AND OTHER APPAREL MANUFACTURING | $65,078 | 3 |
| 39 | 313310 | TEXTILE AND FABRIC FINISHING MILLS | $54,875 | 1 |
| 40 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $44,330 | 1 |
| 41 | 562991 | SEPTIC TANK AND RELATED SERVICES | $41,611 | 2 |
| 42 | 237310 | HIGHWAY, STREET, AND BRIDGE CONSTRUCTION | $35,000 | 1 |
| 43 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $33,150 | 2 |
| 44 | 561611 | INVESTIGATION AND PERSONAL BACKGROUND CHECK SERVICES | $28,583 | 1 |
| 45 | 541519 | OTHER COMPUTER RELATED SERVICES | $22,312 | 1 |
| 46 | 621399 | OFFICES OF ALL OTHER MISCELLANEOUS HEALTH PRACTITIONERS | $18,634 | 1 |
| 47 | 325414 | BIOLOGICAL PRODUCT (EXCEPT DIAGNOSTIC) MANUFACTURING | $18,373 | 3 |
| 48 | 541219 | OTHER ACCOUNTING SERVICES | $14,986 | 1 |
| 49 | 339999 | ALL OTHER MISCELLANEOUS MANUFACTURING | $13,690 | 1 |
| 50 | 519130 | INTERNET PUBLISHING AND BROADCASTING AND WEB SEARCH PORTALS | $8,662 | 1 |
| 51 | 238990 | ALL OTHER SPECIALTY TRADE CONTRACTORS | $7,870 | 1 |
| 52 | 517919 | ALL OTHER TELECOMMUNICATIONS | $6,906 | 1 |
| 53 | 485999 | ALL OTHER TRANSIT AND GROUND PASSENGER TRANSPORTATION | $5,685 | 1 |
| 54 | 561622 | LOCKSMITHS | $5,445 | 2 |
| 55 | 325412 | PHARMACEUTICAL PREPARATION MANUFACTURING | $5,245 | 1 |
| 56 | 562212 | SOLID WASTE LANDFILL | $4,480 | 3 |
| 57 | 238910 | SITE PREPARATION CONTRACTORS | $4,200 | 1 |
| 58 | 488190 | OTHER SUPPORT ACTIVITIES FOR AIR TRANSPORTATION | $4,105 | 1 |
| 59 | 212321 | CONSTRUCTION SAND AND GRAVEL MINING | $2,500 | 1 |
| 60 | 238210 | ELECTRICAL CONTRACTORS AND OTHER WIRING INSTALLATION CONTRACTORS | $2,500 | 1 |
| 61 | 562111 | SOLID WASTE COLLECTION | $2,109 | 1 |
| 62 | 333914 | MEASURING, DISPENSING, AND OTHER PUMPING EQUIPMENT MANUFACTURING | $1,089 | 1 |