| 1 | 325120 | INDUSTRIAL GAS MANUFACTURING | $348,648,673 | 1 |
| 2 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $268,319,014 | 3 |
| 3 | 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $175,122,816 | 1 |
| 4 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $150,213,808 | 1 |
| 5 | 541820 | PUBLIC RELATIONS AGENCIES | $76,403,674 | 1 |
| 6 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $47,055,029 | 2 |
| 7 | 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $26,898,374 | 6 |
| 8 | 493190 | OTHER WAREHOUSING AND STORAGE | $25,141,393 | 4 |
| 9 | 611430 | PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING | $20,036,047 | 2 |
| 10 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $9,446,227 | 2 |
| 11 | 336419 | OTHER GUIDED MISSILE AND SPACE VEHICLE PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | $7,167,980 | 2 |
| 12 | 336413 | OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | $3,842,408 | 5 |
| 13 | 561210 | FACILITIES SUPPORT SERVICES | $3,336,459 | 3 |
| 14 | 511210 | SOFTWARE PUBLISHERS | $2,899,899 | 1 |
| 15 | 339999 | ALL OTHER MISCELLANEOUS MANUFACTURING | $2,604,571 | 1 |
| 16 | 811198 | ALL OTHER AUTOMOTIVE REPAIR AND MAINTENANCE | $1,605,396 | 1 |
| 17 | 513210 | SOFTWARE PUBLISHERS | $1,372,719 | 1 |
| 18 | 561720 | JANITORIAL SERVICES | $1,063,662 | 2 |
| 19 | 324110 | PETROLEUM REFINERIES | $717,123 | 98 |
| 20 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $708,321 | 1 |
| 21 | 561621 | SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) | $655,481 | 1 |
| 22 | 541330 | ENGINEERING SERVICES | $447,019 | 1 |
| 23 | 541519 | OTHER COMPUTER RELATED SERVICES | $390,873 | 2 |
| 24 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $244,208 | 7 |
| 25 | 611420 | COMPUTER TRAINING | $212,387 | 1 |
| 26 | 561920 | CONVENTION AND TRADE SHOW ORGANIZERS | $211,544 | 1 |
| 27 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $156,601 | 1 |
| 28 | 813312 | ENVIRONMENT, CONSERVATION AND WILDLIFE ORGANIZATIONS | $146,564 | 1 |
| 29 | 423450 | MEDICAL, DENTAL, AND HOSPITAL EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS | $139,344 | 1 |
| 30 | 541310 | ARCHITECTURAL SERVICES | $129,307 | 1 |
| 31 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $120,255 | 1 |
| 32 | 561320 | TEMPORARY HELP SERVICES | $109,097 | 1 |
| 33 | 332994 | SMALL ARMS, ORDNANCE, AND ORDNANCE ACCESSORIES MANUFACTURING | $94,560 | 1 |
| 34 | 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE | $85,586 | 1 |
| 35 | 812930 | PARKING LOTS AND GARAGES | $82,429 | 1 |
| 36 | 517110 | WIRED TELECOMMUNICATIONS CARRIERS | $70,892 | 1 |
| 37 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $64,056 | 1 |
| 38 | 334220 | RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING | $60,773 | 1 |
| 39 | 334419 | OTHER ELECTRONIC COMPONENT MANUFACTURING | $54,144 | 3 |
| 40 | 541714 | RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY (EXCEPT NANOBIOTECHNOLOGY) | $49,992 | 1 |
| 41 | 513130 | BOOK PUBLISHERS | $45,072 | 1 |
| 42 | 238210 | ELECTRICAL CONTRACTORS AND OTHER WIRING INSTALLATION CONTRACTORS | $41,900 | 1 |
| 43 | 562211 | HAZARDOUS WASTE TREATMENT AND DISPOSAL | $32,420 | 1 |
| 44 | 336112 | LIGHT TRUCK AND UTILITY VEHICLE MANUFACTURING | $30,277 | 1 |
| 45 | 334519 | OTHER MEASURING AND CONTROLLING DEVICE MANUFACTURING | $23,922 | 1 |
| 46 | 339113 | SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING | $19,696 | 9 |
| 47 | 333613 | MECHANICAL POWER TRANSMISSION EQUIPMENT MANUFACTURING | $17,455 | 1 |
| 48 | 332722 | BOLT, NUT, SCREW, RIVET, AND WASHER MANUFACTURING | $6,314 | 3 |
| 49 | 334413 | SEMICONDUCTOR AND RELATED DEVICE MANUFACTURING | $2,801 | 1 |