| Sanford School Inc. | Educational Services | $1,617,600 | $1,631,782 | 152 | N/A | Research |
| Regal Heights Healthcare & Rehab Center LLC | Health Care and Social Assistance | $1,575,290 | $1,608,091 | 159 | $27.0M | Research |
| Eastern Athletic Clubs LLC | Arts, Entertainment, and Recreation | $1,178,094 | $1,187,390 | 141 | $19.7M | Research |
| Eastern Athletic Clubs, LLC | Arts, Entertainment, and Recreation | $1,178,094 | $1,193,587 | 350 | $49.0M | Research |
| Fairville Management Company LLC | Real Estate and Rental and Leasing | $826,735 | $832,330 | 65 | $9.8M | Research |
| Wilmington Pharmatech Co LLC | Professional, Scientific, and Technical Services | $733,500 | $742,363 | 50 | $10.4M | Research |
| Patterson-Schwartz and Associates | Real Estate and Rental and Leasing | $707,100 | $711,556 | 44 | $6.4M | Research |
| Flo Mechanical | Construction | $648,110 | $654,969 | 58 | $18.3M | Research |
| Pats Pizzeria Hockessin LLC | Accommodation and Food Services | $635,400 | $61,348 | 10 | <$5M | Research |
| Wilmington Christian School INC | Educational Services | $620,340 | $625,906 | 133 | N/A | Research |
| Delaware Nature Society INC | Arts, Entertainment, and Recreation | $498,720 | $503,486 | 34 | $5.2M | Research |
| Delaware Nature Society | Other Services (except Public Administration) | $442,707 | $444,854 | 42 | $8.0M | Research |
| Jmt Services Inc. | Construction | $427,700 | $433,360 | 45 | $14.2M | Research |
| Emerald Bioagriculture Corp | Manufacturing | $395,991 | $398,543 | 19 | $18.8M | Research |
| Harvest Market INC | Retail Trade | $379,700 | $382,569 | 55 | $13.7M | Research |
| Salon by Dominic | Other Services (except Public Administration) | $345,491 | $348,085 | 48 | $9.2M | Research |
| Salon by Dominic INC | Other Services (except Public Administration) | $345,490 | $348,065 | 38 | $7.3M | Research |
| D'souza & Associate Inc. | Professional, Scientific, and Technical Services | $314,975 | $317,193 | 30 | $9.5M | Research |
| Borsello INC | Administrative and Support and Waste Management | $312,937 | $316,205 | 21 | <$5M | Research |
| Kuhn Construction Company | Construction | $301,587 | $304,165 | 13 | <$5M | Research |
| Kuhn Construction Company | Construction | $300,392 | $303,840 | 11 | <$5M | Research |
| Hockessin 2sp LLC | Accommodation and Food Services | $298,609 | $300,499 | 44 | $7.8M | Research |
| Dome Associates INC | Accommodation and Food Services | $274,621 | $276,788 | 73 | $22.8M | Research |
| Performance Physical Therapy, INC | Health Care and Social Assistance | $272,122 | $274,821 | 39 | $10.5M | Research |
| D'souza & Associates INC | Professional, Scientific, and Technical Services | $271,655 | $273,055 | 30 | $9.5M | Research |