| Superior Diesel, Inc. | Wholesale Trade | $1,434,700 | $1,452,309 | 91 | $27.9M |  Research |
| Ponsee North America INC | Agriculture, Forestry, Fishing and Hunting | $1,395,800 | $1,411,096 | 82 | <$5M | Research |
| Sowinski Farms Inc. | Agriculture, Forestry, Fishing and Hunting | $1,161,377 | $1,169,249 | 100 | $10.2M | Research |
| Sowinski Farms, Inc. | Agriculture, Forestry, Fishing and Hunting | $1,066,731 | $1,072,301 | 136 | $13.9M | Research |
| Airpro Fan & Blower Company LLC | Manufacturing | $1,004,657 | $1,021,530 | 78 | $20.4M | Research |
| Laser Pros International Corp. | Wholesale Trade | $825,000 | $832,219 | 93 | $28.5M | Research |
| Friendly Village Nursing and Rehab, LLC | Health Care and Social Assistance | $804,559 | $816,493 | 130 | $22.1M | Research |
| Rhinelander Auto Group LLC | Retail Trade | $693,000 | $701,104 | 68 | $17.1M | Research |
| Bell Power Systems LLC | Wholesale Trade | $650,000 | $657,390 | 45 | $13.8M | Research |
| Rhinelander Import Group LLC | Retail Trade | $490,000 | $495,717 | 45 | $11.3M | Research |
| Northland Television LLC | Information | $402,900 | $405,185 | 50 | $8.4M | Research |
| Shoeder's Rv & Marine, Inc. | Retail Trade | $386,600 | $389,510 | 37 | $9.7M | Research |
| Health in Motion Inc. | Health Care and Social Assistance | $356,587 | $359,152 | 33 | $8.9M | Research |
| Northstar Steel Fabricating Inc. | Manufacturing | $354,294 | $356,538 | 30 | $7.9M | Research |
| Victory Janitorial Service INC | Administrative and Support and Waste Management | $349,300 | $352,424 | 54 | $11.7M | Research |
| Rhinelander Cars, LLC | Retail Trade | $347,860 | $351,851 | 38 | $9.6M | Research |
| Rhinelander Motorcars, LLC | Retail Trade | $343,844 | $347,788 | 29 | $7.3M | Research |
| Health in Motion, Inc. | Health Care and Social Assistance | $343,000 | $345,935 | 33 | $8.9M | Research |
| Dolson, Inc. | Construction | $340,495 | $342,519 | 15 | <$5M | Research |
| Zenith Power Products, LLC | Wholesale Trade | $333,700 | $337,851 | 27 | $8.3M | Research |
| Northstar Steel Fabricating Inc. | Manufacturing | $326,000 | $328,527 | 34 | $8.3M | Research |
| Heck Capital Advisors | Finance and Insurance | $316,930 | $135,101 | 20 | $10.3M | Research |
| Golden Harvest Foods, LLC | Retail Trade | $300,000 | $301,683 | 60 | $15.0M | Research |
| Pioneer Equipment II INC | Other Services (except Public Administration) | $297,955 | $299,906 | 15 | <$5M | Research |
| Pioneer Equipment Ii, Inc. | Wholesale Trade | $297,955 | $301,114 | 18 | $5.5M | Research |