| 1 | 524114 | DIRECT HEALTH AND MEDICAL INSURANCE CARRIERS | $1,676,618,175 | 2 |
| 2 | 325412 | PHARMACEUTICAL PREPARATION MANUFACTURING | $1,176,610,875 | 6 |
| 3 | 623110 | NURSING CARE FACILITIES (SKILLED NURSING FACILITIES) | $34,181,785 | 62 |
| 4 | 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $18,972,491 | 9 |
| 5 | 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $13,107,103 | 4 |
| 6 | 334517 | IRRADIATION APPARATUS MANUFACTURING | $7,407,594 | 9 |
| 7 | 561910 | PACKAGING AND LABELING SERVICES | $7,200,000 | 1 |
| 8 | 238290 | OTHER BUILDING EQUIPMENT CONTRACTORS | $6,906,399 | 2 |
| 9 | 561720 | JANITORIAL SERVICES | $5,338,555 | 2 |
| 10 | 561612 | SECURITY GUARDS AND PATROL SERVICES | $4,270,862 | 4 |
| 11 | 339112 | SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING | $4,077,353 | 12 |
| 12 | 561320 | TEMPORARY HELP SERVICES | $3,549,576 | 4 |
| 13 | 339113 | SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING | $3,363,183 | 49 |
| 14 | 524292 | PHARMACY BENEFIT MANAGEMENT AND OTHER THIRD PARTY ADMINISTRATION OF INSURANCE AND PENSION FUNDS | $3,160,200 | 1 |
| 15 | 485991 | SPECIAL NEEDS TRANSPORTATION | $2,174,715 | 2 |
| 16 | 624310 | VOCATIONAL REHABILITATION SERVICES | $1,736,253 | 4 |
| 17 | 561730 | LANDSCAPING SERVICES | $1,263,690 | 3 |
| 18 | 611310 | COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS | $988,307 | 2 |
| 19 | 334510 | ELECTROMEDICAL AND ELECTROTHERAPEUTIC APPARATUS MANUFACTURING | $906,078 | 4 |
| 20 | 811210 | ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | $796,073 | 10 |
| 21 | 337215 | SHOWCASE, PARTITION, SHELVING, AND LOCKER MANUFACTURING | $781,808 | 4 |
| 22 | 423450 | MEDICAL, DENTAL, AND HOSPITAL EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS | $716,703 | 3 |
| 23 | 623220 | RESIDENTIAL MENTAL HEALTH AND SUBSTANCE ABUSE FACILITIES | $572,296 | 1 |
| 24 | 541310 | ARCHITECTURAL SERVICES | $540,159 | 1 |
| 25 | 541519 | OTHER COMPUTER RELATED SERVICES | $528,838 | 10 |
| 26 | 561210 | FACILITIES SUPPORT SERVICES | $474,392 | 4 |
| 27 | 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | $469,188 | 4 |
| 28 | 541330 | ENGINEERING SERVICES | $465,407 | 2 |
| 29 | 339116 | DENTAL LABORATORIES | $397,296 | 1 |
| 30 | 511210 | SOFTWARE PUBLISHERS | $336,944 | 1 |
| 31 | 621910 | AMBULANCE SERVICES | $326,665 | 1 |
| 32 | 621330 | OFFICES OF MENTAL HEALTH PRACTITIONERS (EXCEPT PHYSICIANS) | $325,823 | 1 |
| 33 | 221320 | SEWAGE TREATMENT FACILITIES | $306,540 | 1 |
| 34 | 492110 | COURIERS AND EXPRESS DELIVERY SERVICES | $301,485 | 2 |
| 35 | 562211 | HAZARDOUS WASTE TREATMENT AND DISPOSAL | $271,070 | 2 |
| 36 | 812930 | PARKING LOTS AND GARAGES | $236,459 | 1 |
| 37 | 532490 | OTHER COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT RENTAL AND LEASING | $221,477 | 1 |
| 38 | 541620 | ENVIRONMENTAL CONSULTING SERVICES | $213,010 | 1 |
| 39 | 922160 | FIRE PROTECTION | $205,240 | 1 |
| 40 | 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $184,000 | 1 |
| 41 | 561599 | ALL OTHER TRAVEL ARRANGEMENT AND RESERVATION SERVICES | $147,876 | 1 |
| 42 | 541614 | PROCESS, PHYSICAL DISTRIBUTION, AND LOGISTICS CONSULTING SERVICES | $143,197 | 1 |
| 43 | 238220 | PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS | $142,003 | 2 |
| 44 | 334290 | OTHER COMMUNICATIONS EQUIPMENT MANUFACTURING | $141,993 | 2 |
| 45 | 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $140,750 | 1 |
| 46 | 513210 | SOFTWARE PUBLISHERS | $129,000 | 1 |
| 47 | 325120 | INDUSTRIAL GAS MANUFACTURING | $120,848 | 2 |
| 48 | 333310 | COMMERCIAL AND SERVICE INDUSTRY MACHINERY MANUFACTURING | $98,255 | 1 |
| 49 | 332510 | HARDWARE MANUFACTURING | $85,585 | 1 |
| 50 | 541380 | TESTING LABORATORIES AND SERVICES | $78,301 | 2 |
| 51 | 311991 | PERISHABLE PREPARED FOOD MANUFACTURING | $78,000 | 1 |
| 52 | 334511 | SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING | $63,577 | 1 |
| 53 | 337214 | OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING | $54,086 | 2 |
| 54 | 812332 | INDUSTRIAL LAUNDERERS | $50,000 | 1 |
| 55 | 517112 | WIRELESS TELECOMMUNICATIONS CARRIERS (EXCEPT SATELLITE) | $48,530 | 1 |
| 56 | 562111 | SOLID WASTE COLLECTION | $42,022 | 1 |
| 57 | 325413 | IN-VITRO DIAGNOSTIC SUBSTANCE MANUFACTURING | $35,554 | 1 |
| 58 | 311511 | FLUID MILK MANUFACTURING | $29,348 | 1 |
| 59 | 811111 | GENERAL AUTOMOTIVE REPAIR | $27,513 | 2 |
| 60 | 561492 | COURT REPORTING AND STENOTYPE SERVICES | $22,173 | 5 |
| 61 | 333921 | ELEVATOR AND MOVING STAIRWAY MANUFACTURING | $20,929 | 1 |
| 62 | 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $20,000 | 1 |
| 63 | 334610 | MANUFACTURING AND REPRODUCING MAGNETIC AND OPTICAL MEDIA | $18,872 | 1 |
| 64 | 493110 | GENERAL WAREHOUSING AND STORAGE | $18,403 | 1 |
| 65 | 813920 | PROFESSIONAL ORGANIZATIONS | $16,000 | 1 |
| 66 | 611420 | COMPUTER TRAINING | $15,672 | 2 |
| 67 | 921190 | OTHER GENERAL GOVERNMENT SUPPORT | $14,595 | 1 |
| 68 | 484230 | SPECIALIZED FREIGHT (EXCEPT USED GOODS) TRUCKING, LONG-DISTANCE | $13,500 | 1 |
| 69 | 711130 | MUSICAL GROUPS AND ARTISTS | $12,180 | 1 |
| 70 | 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE | $7,199 | 2 |
| 71 | 561621 | SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) | $6,500 | 1 |
| 72 | 561990 | ALL OTHER SUPPORT SERVICES | $5,745 | 1 |
| 73 | 518210 | DATA PROCESSING, HOSTING, AND RELATED SERVICES | $5,045 | 1 |
| 74 | 541690 | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES | $5,000 | 2 |