| L & D Drivers Service, Inc. | Transportation and Warehousing | $3,607,500 | $3,649,187 | 247 | $65.9M |  Research |
| Aetna Plywood Inc. | Wholesale Trade | $1,810,082 | $1,824,010 | 111 | $34.0M | Research |
| Roy Strom Refuse Removal Service INC | Administrative and Support and Waste Management | $1,167,100 | $1,110,022 | 74 | $14.0M | Research |
| National Cycle INC | Manufacturing | $1,111,463 | $1,123,257 | 108 | $28.3M | Research |
| Clark Roofing Company | Construction | $1,001,270 | $1,006,888 | 85 | $28.0M | Research |
| Avw Equipment Company INC | Manufacturing | $798,657 | $802,850 | 68 | $17.8M | Research |
| Avw Equipment Company INC | Manufacturing | $697,323 | $703,831 | 63 | $16.5M | Research |
| T. H. Ryan Cartage Company | Transportation and Warehousing | $657,500 | $663,454 | 36 | $5.4M | Research |
| Proviso Leyden Council for Community Action Inc. - Owner | Health Care and Social Assistance | $618,254 | $624,166 | 86 | N/A | Research |
| Housing Forward | Health Care and Social Assistance | $536,348 | $540,788 | 59 | N/A | Research |
| Proviso Leyden Council for Community Action, Inc. | Health Care and Social Assistance | $531,347 | $535,962 | 78 | N/A | Research |
| Bost Corporation | Manufacturing | $427,070 | $430,997 | 29 | $7.6M | Research |
| Bost Corporation | Manufacturing | $427,070 | $432,646 | 31 | $8.1M | Research |
| Tolver Realities LLC | Real Estate and Rental and Leasing | $374,120 | $375,668 | 24 | <$5M | Research |
| Try Our Pallets Inc. | Manufacturing | $211,465 | $212,605 | 18 | $17.9M | Research |
| Lawson and Family INC | Transportation and Warehousing | $207,815 | $210,127 | 19 | <$5M | Research |
| Morris Meat Packing Company, Inc. | Manufacturing | $199,000 | $200,935 | 20 | $7.1M | Research |
| Try Our Pallets INC | Manufacturing | $196,153 | $197,891 | 18 | $17.9M | Research |
| Dulaneyland INC | Arts, Entertainment, and Recreation | $187,500 | $189,791 | 20 | <$5M | Research |
| Jsn Inc. | Manufacturing | $180,480 | $181,924 | 25 | $6.1M | Research |
| Jsn INC | Manufacturing | $180,480 | $181,778 | 18 | <$5M | Research |
| Best Institutional Supply Co. | Wholesale Trade | $175,000 | $175,972 | 14 | <$5M | Research |
| Kazmer Foot and Ankle Centers, Ltd. | Health Care and Social Assistance | $174,590 | $139,795 | 6 | <$5M | Research |
| Rock of Ages Baptist Church | Other Services (except Public Administration) | $160,282 | $161,810 | 13 | N/A | Research |
| Rock of Ages Baptist Church | Other Services (except Public Administration) | $152,577 | $153,710 | 15 | N/A | Research |