| Arnold Companies, Inc. | Wholesale Trade | $3,576,600 | $3,617,755 | 250 | $76.6M |  Research |
| Kuechle Underground INC | Construction | $1,045,400 | $1,051,844 | 45 | $13.9M | Research |
| Project One Construction, Inc. | Construction | $384,825 | $388,353 | 18 | $20.5M | Research |
| Project One Construction Inc. | Construction | $384,825 | $387,626 | 18 | $20.5M | Research |
| Cnr Contractors | Construction | $330,620 | $332,539 | 16 | <$5M | Research |
| Falcon Mechanical Inc. | Construction | $330,303 | $332,165 | 26 | $8.2M | Research |
| Erick Berscheid Trucking | Transportation and Warehousing | $272,928 | $276,871 | 26 | <$5M | Research |
| Powder Ridge Ski Corporation | Arts, Entertainment, and Recreation | $242,915 | $245,594 | 201 | $28.1M | Research |
| Powder Ridge Ski Corporation | Arts, Entertainment, and Recreation | $240,462 | $244,939 | 210 | $29.4M | Research |
| Cnr Contractors Inc. | Construction | $216,715 | $218,003 | 18 | $5.6M | Research |
| Land O' Lakes Oil Company, Inc. | Wholesale Trade | $198,969 | $200,428 | 15 | <$5M | Research |
| A.m. Maus & Son, Inc. | Retail Trade | $193,009 | $231,865 | 28 | $7.1M | Research |
| Land O' Lakes Oil Company, Inc. | Retail Trade | $187,527 | $188,705 | 13 | <$5M | Research |
| Styme International Industries LLC | Manufacturing | $160,322 | $160,848 | 15 | <$5M | Research |
| Styme International Industries LLC | Manufacturing | $160,322 | $162,077 | 13 | <$5M | Research |
| French Lake Curb Co. | Construction | $148,000 | $149,270 | 15 | <$5M | Research |
| Schiefelbein Farms LLC | Agriculture, Forestry, Fishing and Hunting | $147,510 | $115,450 | 10 | <$5M | Research |
| Hawker Equipment Solutions LLC | Wholesale Trade | $116,910 | $117,478 | 9 | <$5M | Research |
| Mill Creek Dairy Inc. | Agriculture, Forestry, Fishing and Hunting | $106,100 | $107,158 | 15 | <$5M | Research |
| Loesch Supported Living Services, Inc. | Health Care and Social Assistance | $98,275 | $98,895 | 15 | <$5M | Research |
| Triple R Grill & Bar INC | Accommodation and Food Services | $95,957 | $96,576 | 52 | $9.2M | Research |
| Knaus Sausage House, Inc. | Retail Trade | $91,783 | $92,439 | 17 | <$5M | Research |
| Mackereth Trucking, Inc. | Transportation and Warehousing | $88,750 | $89,514 | 10 | <$5M | Research |
| Hendricks Sand & Gravel, Inc. | Construction | $88,622 | $89,139 | 6 | <$5M | Research |
| Krippner Custom Pumping LLC | Agriculture, Forestry, Fishing and Hunting | $83,100 | $83,990 | 5 | <$5M | Research |