| 423450 | Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 161,437 | $1,670,162,865 |
| 311991 | Perishable Prepared Food Manufacturing | 135,892 | $456,490,055 |
| 424210 | Drugs and Druggists' Sundries Merchant Wholesalers | 93,955 | $605,136,982 |
| 444110 | Home Centers | 79,516 | $173,459,492 |
| 423850 | Service Establishment Equipment and Supplies Merchant Wholesalers | 68,375 | $1,790,750,980 |
| 339940 | Office Supplies (except Paper) Manufacturing | 56,314 | $83,450,112 |
| 311812 | Commercial Bakeries | 55,683 | $168,463,861 |
| 332216 | Saw Blade and Handtool Manufacturing | 53,184 | $70,762,317 |
| 324110 | Petroleum Refineries | 52,669 | $3,553,151,381 |
| 453210 | Office Supplies and Stationery Stores | 52,258 | $37,016,817 |
| 322230 | Stationery Product Manufacturing | 45,351 | $40,304,406 |
| 423710 | Hardware Merchant Wholesalers | 35,192 | $29,525,243 |
| 493190 | Other Warehousing and Storage | 31,962 | $1,176,400,293 |
| 324191 | Petroleum Lubricating Oil and Grease Manufacturing | 31,903 | $50,265,489 |
| 325411 | Medicinal and Botanical Manufacturing | 28,981 | $1,106,257,808 |
| 332510 | Hardware Manufacturing | 27,199 | $210,358,801 |
| 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing | 26,319 | $95,669,816 |
| 325520 | Adhesive Manufacturing | 26,081 | $22,715,986 |
| 444130 | Hardware Stores | 22,436 | $51,034,356 |
| 336111 | Automobile Manufacturing | 21,860 | $1,003,966,054 |
| 541519 | Other Computer Related Services | 19,287 | $52,045,354,615 |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | 15,863 | $37,210,539,141 |
| 311999 | All Other Miscellaneous Food Manufacturing | 15,531 | $712,278,035 |
| 541330 | Engineering Services | 14,546 | $215,741,551,942 |
| 337214 | Office Furniture (except Wood) Manufacturing | 13,106 | $381,402,162 |
| 423840 | Industrial Supplies Merchant Wholesalers | 11,669 | $12,369,772 |
| 333618 | Other Engine Equipment Manufacturing | 11,129 | $474,101,647 |
| 115310 | Support Activities for Forestry | 10,672 | $1,087,389,669 |
| 236220 | Commercial and Institutional Building Construction | 10,586 | $115,574,062,402 |
| 541611 | Administrative Management and General Management Consulting Services | 10,206 | $31,227,846,662 |
| 561210 | Facilities Support Services | 10,121 | $392,976,345,307 |
| 541512 | Computer Systems Design Services | 9,108 | $113,374,172,716 |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 9,054 | $182,079,602,141 |
| 311911 | Roasted Nuts and Peanut Butter Manufacturing | 8,794 | $59,158,152 |
| 339113 | Surgical Appliance and Supplies Manufacturing | 7,594 | $816,331,888 |
| 335912 | Primary Battery Manufacturing | 7,275 | $18,957,545 |
| 326140 | Polystyrene Foam Product Manufacturing | 6,604 | $9,203,840 |
| 325412 | Pharmaceutical Preparation Manufacturing | 6,519 | $21,234,525,364 |
| 325611 | Soap and Other Detergent Manufacturing | 6,304 | $13,286,881 |
| 423610 | Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 5,500 | $83,125,073 |
| 334111 | Electronic Computer Manufacturing | 5,441 | $3,290,739,768 |
| 541511 | Custom Computer Programming Services | 5,315 | $28,698,153,384 |
| 339999 | All Other Miscellaneous Manufacturing | 5,259 | $1,632,147,259 |
| 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing | 5,255 | $730,636,911 |
| 326111 | Plastics Bag and Pouch Manufacturing | 5,238 | $20,368,004 |
| 541990 | All Other Professional, Scientific, and Technical Services | 5,172 | $55,856,813,601 |
| 811210 | Electronic and Precision Equipment Repair and Maintenance | 5,079 | $3,105,771,370 |
| 325510 | Paint and Coating Manufacturing | 4,987 | $25,201,586 |
| 339112 | Surgical and Medical Instrument Manufacturing | 4,926 | $1,103,755,961 |
| 334516 | Analytical Laboratory Instrument Manufacturing | 4,784 | $1,140,917,114 |