| Chicago Zoological Society | Arts, Entertainment, and Recreation | $6,378,142 | $6,453,264 | 468 | N/A |  Research |
| Sweetener Supply Corporation | Wholesale Trade | $2,262,600 | $2,288,982 | 191 | $49.2M | Research |
| The British Home for Retired Men and Women | Health Care and Social Assistance | $1,209,368 | $1,222,637 | 125 | N/A | Research |
| British Home for Retired Men and Women | Health Care and Social Assistance | $1,209,368 | $1,219,782 | 138 | N/A | Research |
| Community Support Services | Health Care and Social Assistance | $792,405 | $801,562 | 138 | N/A | Research |
| Connor's Transportation, Inc. | Transportation and Warehousing | $767,893 | $774,953 | 46 | $7.0M | Research |
| Connor's Transportation, Inc. | Transportation and Warehousing | $767,800 | $777,227 | 72 | $10.9M | Research |
| Unique Plumbing Co | Construction | $674,400 | $647,743 | 21 | $6.6M | Research |
| Unique Plumbing Co | Construction | $674,400 | $682,999 | 23 | $7.3M | Research |
| Advanced Critical Transport LLC | Health Care and Social Assistance | $624,315 | $627,793 | 51 | $11.8M | Research |
| United Enterprise LLC | Construction | $502,535 | $507,023 | 30 | $9.3M | Research |
| House of Doors INC | Retail Trade | $493,835 | $497,155 | 17 | <$5M | Research |
| House of Doors INC | Retail Trade | $473,912 | $476,944 | 22 | <$5M | Research |
| Ideal Heating Company | Construction | $468,000 | $476,514 | 19 | $6.0M | Research |
| Ideal Heating Company | Construction | $441,000 | $446,026 | 11 | <$5M | Research |
| Care Sheet Metal & Roofing INC | Construction | $410,802 | $415,275 | 35 | $11.5M | Research |
| Higgins & White, Incorporated | Wholesale Trade | $375,325 | $377,473 | 19 | <$5M | Research |
| Ellis Dynasty INC | Construction | $353,100 | $354,709 | 22 | $7.0M | Research |
| United Enterprise LLC | Construction | $328,570 | $331,154 | 30 | $34.2M | Research |
| Zmx Transportation Services INC | Transportation and Warehousing | $291,000 | $294,612 | 28 | <$5M | Research |
| Icrom Logistics INC | Professional, Scientific, and Technical Services | $259,392 | $0 | 10 | <$5M | Research |
| Ellis Dynasty Inc. | Construction | $257,800 | $260,321 | 20 | $6.3M | Research |
| Alphabet Learning Center Inc. | Health Care and Social Assistance | $247,950 | $247,031 | 35 | $5.7M | Research |
| Alphabet Learning Center INC | Health Care and Social Assistance | $244,700 | $246,372 | 35 | $5.7M | Research |
| Luigis Paisans Pizza II INC | Accommodation and Food Services | $244,300 | $247,171 | 36 | $6.4M | Research |