| Connections Community | Health Care and Social Assistance | $10,000,000 | $0 | 500 | N/A |  Research |
| Iron Hill Brewery, LLC | Accommodation and Food Services | $8,390,200 | $8,506,702 | 500 | $88.8M | Research |
| M. Davis & Sons, Inc. | Construction | $7,884,746 | $7,988,220 | 479 | $151.5M | Research |
| Gt USA Wilmington, LLC | Transportation and Warehousing | $7,028,800 | $7,109,487 | 500 | $38.9M | Research |
| Ensinger Industries INC | Management of Companies and Enterprises | $6,025,700 | $6,096,669 | 374 | $61.5M | Research |
| I. D. Griffith, Inc. | Construction | $5,746,100 | $5,811,118 | 146 | $46.2M | Research |
| Catholic Diocese of Wilmington | Other Services (except Public Administration) | $4,905,000 | $4,977,567 | 367 | N/A | Research |
| Ymca of Delaware | Other Services (except Public Administration) | $4,881,360 | $4,972,072 | 231 | $44.1M | Research |
| Peter D Furness Electric Co., Inc. | Construction | $4,809,800 | $4,865,409 | 112 | $36.8M | Research |
| Goodwill of Delaware and Delaware County | Health Care and Social Assistance | $4,644,900 | $4,698,316 | 500 | $81.0M | Research |
| The Actors' Fund of America | Other Services (except Public Administration) | $4,592,157 | $4,648,538 | 314 | N/A | Research |
| Ross Service Corporations | Administrative and Support and Waste Management | $4,172,119 | $4,227,770 | 263 | $49.8M | Research |
| Maron Marvel Bradley Anderson &tardy LLC | Professional, Scientific, and Technical Services | $4,018,667 | $3,899,636 | 258 | $62.7M | Research |
| Marlette Services INC | Finance and Insurance | $4,000,734 | $4,067,486 | 235 | $120.7M | Research |
| Diamond Materials LLC | Construction | $3,821,459 | $3,864,594 | 322 | $99.8M | Research |
| Process Service Specialists, L.l.c. of Delaware | Construction | $3,523,990 | $3,568,138 | 230 | $86.2M | Research |
| Wayforth LLC | Other Services (except Public Administration) | $3,298,700 | $3,337,185 | 388 | $74.1M | Research |
| Morris James, LLP | Professional, Scientific, and Technical Services | $3,276,025 | $3,308,785 | 162 | $39.4M | Research |
| High 5 Games, LLC | Professional, Scientific, and Technical Services | $3,071,462 | $3,112,756 | 138 | $28.5M | Research |
| Quailty Heating & Air-Conditioning Company, Inc.. | Construction | $3,063,900 | $3,099,492 | 184 | $58.2M | Research |
| Toi Management, LLC | Health Care and Social Assistance | $2,992,755 | $3,026,375 | 386 | $121.2M | Research |
| Tower Hill School Association | Other Services (except Public Administration) | $2,710,102 | $2,741,720 | 249 | N/A | Research |
| Master Delaware Snf Management, LP | Health Care and Social Assistance | $2,709,975 | $3,651,977 | 422 | $71.8M | Research |
| Atp Professionals, Inc. | Educational Services | $2,698,098 | $2,729,201 | 206 | $43.3M | Research |
| Westside Family Healthcare, INC | Health Care and Social Assistance | $2,637,462 | $2,679,445 | 238 | N/A | Research |