| 26 | 423440 | Other Commercial Equipment Merchant Wholesalers | Wholesale Trade | 1,544 | 58,988 | 3,693 | $33.0M |
| 27 | 423850 | Service Establishment Equipment and Supplies Merchant Wholesalers | Wholesale Trade | 1,536 | 57,558 | 4,484 | $28.6M |
| 28 | 424460 | Fish and Seafood Merchant Wholesalers | Wholesale Trade | 1,528 | 27,721 | 1,952 | $23.1M |
| 29 | 423510 | Metal Service Centers and Other Metal Merchant Wholesalers | Wholesale Trade | 1,496 | 132,358 | 8,629 | $305.3M |
| 30 | 424690 | Other Chemical and Allied Products Merchant Wholesalers | Wholesale Trade | 1,496 | 121,343 | 9,139 | $259.9M |
| 31 | 424480 | Fresh Fruit and Vegetable Merchant Wholesalers | Wholesale Trade | 1,480 | 97,273 | 4,921 | $114.3M |
| 32 | 423320 | Brick, Stone, and Related Construction Material Merchant Wholesalers | Wholesale Trade | 1,464 | 67,230 | 3,719 | $37.5M |
| 33 | 423710 | Hardware Merchant Wholesalers | Wholesale Trade | 1,464 | 92,500 | 5,902 | $94.2M |
| 34 | 424910 | Farm Supplies Merchant Wholesalers | Wholesale Trade | 1,360 | 120,241 | 9,042 | $207.0M |
| 35 | 423860 | Transportation Equipment and Supplies (except Motor Vehicle) Merchant | Wholesale Trade | 1,344 | 40,389 | 2,378 | $48.8M |
| 36 | 423430 | Computer and Computer Peripheral Equipment and Software Merchant Whole | Wholesale Trade | 1,312 | 227,038 | 6,818 | $331.3M |
| 37 | 424310 | Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers | Wholesale Trade | 1,272 | 21,913 | 2,908 | $14.1M |
| 38 | 423720 | Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Whole | Wholesale Trade | 1,176 | 120,754 | 6,747 | $97.8M |
| 39 | 423810 | Construction and Mining (except Oil Well) Machinery and Equipment Merc | Wholesale Trade | 984 | 108,567 | 4,852 | $128.0M |
| 40 | 423730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant | Wholesale Trade | 952 | 83,818 | 6,427 | $96.6M |
| 41 | 423820 | Farm and Garden Machinery and Equipment Merchant Wholesalers | Wholesale Trade | 864 | 117,117 | 7,450 | $143.3M |
| 42 | 423490 | Other Professional Equipment and Supplies Merchant Wholesalers | Wholesale Trade | 848 | 37,934 | 2,415 | $35.2M |
| 43 | 424810 | Beer and Ale Merchant Wholesalers | Wholesale Trade | 832 | 114,643 | 1,899 | $83.1M |
| 44 | 424420 | Packaged Frozen Food Merchant Wholesalers | Wholesale Trade | 824 | 35,096 | 3,114 | $185.1M |
| 45 | 423140 | Motor Vehicle Parts (Used) Merchant Wholesalers | Wholesale Trade | 816 | 22,798 | 1,762 | $10.1M |
| 46 | 424130 | Industrial and Personal Service Paper Merchant Wholesalers | Wholesale Trade | 752 | 64,536 | 3,858 | $122.1M |
| 47 | 423420 | Office Equipment Merchant Wholesalers | Wholesale Trade | 736 | 68,110 | 8,554 | $33.3M |
| 48 | 424940 | Tobacco and Tobacco Product Merchant Wholesalers | Wholesale Trade | 736 | 24,509 | 1,645 | $143.6M |
| 49 | 424720 | Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Sta | Wholesale Trade | 704 | 67,182 | 2,541 | $832.6M |
| 50 | 424450 | Confectionery Merchant Wholesalers | Wholesale Trade | 672 | 64,926 | 2,312 | $77.2M |
