| Kane Anesthesia Associates, S.c. | Health Care and Social Assistance | $538,300 | $542,404 | 42 | $13.2M |  Research |
| Custom Case Management LLC | Health Care and Social Assistance | $476,392 | $479,305 | 28 | $6.5M | Research |
| First Baptist Church of Geneva | Other Services (except Public Administration) | $450,000 | $453,341 | 42 | N/A | Research |
| Biscuit Cafe Inc. | Accommodation and Food Services | $434,754 | $439,308 | 36 | $6.4M | Research |
| Suburban Laboratories, Inc. | Professional, Scientific, and Technical Services | $431,400 | $0 | 39 | $7.9M | Research |
| Association Technologies, Inc. | Professional, Scientific, and Technical Services | $405,776 | $408,211 | 20 | <$5M | Research |
| Cougars Baseball Partnership | Arts, Entertainment, and Recreation | $398,300 | $439,481 | 25 | <$5M | Research |
| Livia-Italian Eatery LLC | Accommodation and Food Services | $389,329 | $393,449 | 52 | $9.2M | Research |
| Norton Mcmurray Manufacturing Company | Manufacturing | $377,200 | $381,406 | 33 | $8.1M | Research |
| Little Traveler Inc. | Retail Trade | $365,455 | $368,653 | 30 | $7.1M | Research |
| Burger Social Wheaton LLC | Accommodation and Food Services | $360,206 | $363,858 | 55 | $9.8M | Research |
| Little Traveler, Inc. | Retail Trade | $359,500 | $367,704 | 110 | $25.9M | Research |
| Clc Lubricants Company | Manufacturing | $352,414 | $355,330 | 26 | $25.8M | Research |
| Clc Lubricants Company | Manufacturing | $352,413 | $354,720 | 21 | $20.8M | Research |
| Envea Inc. | Manufacturing | $348,000 | $350,269 | 16 | <$5M | Research |
| Concierge Medical Spa, INC | Health Care and Social Assistance | $343,200 | $347,042 | 43 | $7.8M | Research |
| Konicek & Dillon, PC | Professional, Scientific, and Technical Services | $342,988 | $344,941 | 16 | <$5M | Research |
| Livia Italian Eatery Elmhurst LLC | Accommodation and Food Services | $338,790 | $342,046 | 39 | $6.9M | Research |
| Water Bar Investments LLC | Accommodation and Food Services | $329,350 | $331,732 | 35 | $6.2M | Research |
| Konicek & Dillon, PC | Professional, Scientific, and Technical Services | $311,095 | $312,832 | 15 | <$5M | Research |
| Biscuit Cafe, Inc. | Accommodation and Food Services | $310,538 | $313,634 | 52 | $9.2M | Research |
| Welding Material Sales, Inc. | Manufacturing | $309,600 | $312,928 | 47 | $12.3M | Research |
| St. Peter Church | Other Services (except Public Administration) | $309,005 | $310,670 | 42 | N/A | Research |
| Graham's Chocolate Ltd. | Manufacturing | $305,238 | $308,985 | 107 | $37.8M | Research |
| Gia Mia Geneva LLC | Accommodation and Food Services | $298,081 | $300,913 | 39 | $6.9M | Research |