| Delta Modular Construction, LLC MN | Construction | 0 | — | A |
| Delta Montrose Electric Association CO | Utilities | 0 | — | B |
| Delta Natural Gas Company, Inc. KY | Utilities | 0 | — | F |
| Delta Nooter OH | Construction | 0 | — | A |
| Delta Norfolk Airport Hotel VA | Accommodation & Food Services | 0 | — | A |
| Delta Oil Mill MS | — | 0 | — | — |
| Delta One Trucking, LLC LA | Transportation & Warehousing | 0 | — | A |
| Delta One, LLC CA | Finance & Insurance | 1 | $116,000 | — |
| Delta P Inc. MS | Manufacturing | 0 | — | A |
| delta paper corporation NJ | Manufacturing | 0 | — | A |
| Delta Peanut LLC AR | Agriculture & Forestry | 0 | — | C |
| Delta Personnel Services NJ | Administrative & Waste Services | 0 | — | F |
| Delta Phase Electrical Corp. NY | Construction | 0 | — | A |
| Delta Pipeline Inc. CA | Construction | 0 | — | F |
| Delta Plumbing GA | Construction | 0 | — | F |
| Delta Private Jets Inc. NC | — | 0 | — | — |
| Delta Properties LLC NY | Real Estate | 0 | — | B |
| Delta Railroad Construction, Inc. OH | Construction | 0 | — | F |
| delta refrigeration corporation CA | Construction | 0 | — | A |
| Delta Rehabilitation and Healthcare Center of Cleveland MS | Healthcare & Social Assistance | 0 | — | A |
| DELTA SAND & GRAVEL CO. OR | Manufacturing | 0 | — | F |
| DELTA SCIENTIFIC CORPORATION CA | Manufacturing | 0 | — | F |
| Delta Services LLC KY | Construction | 0 | — | C |
| DELTA Services, Inc. IN | Construction | 0 | — | A |
| Delta Sheet Metal NY | Construction | 0 | — | B |
| DELTA STAR CA | Manufacturing | 0 | — | F |
| Delta Star Inc VA | Manufacturing | 0 | — | F |
| Delta Steel and Tube, Inc AL | Manufacturing | 0 | — | F |
| Delta Steel Inc. TX | Wholesale Trade | 0 | — | C |
| Delta System & Software, Inc. TX | Professional & Technical Services | 10 | $122,631 | — |
| DELTA SYSTEM &SOFTWARE, INC. TX | Professional & Technical Services | 7 | $108,802 | — |
| Delta Systems, Inc. OH | Manufacturing | 0 | — | A |
| Delta T TX | Manufacturing | 0 | — | A |
| Delta T Construction WI | Construction | 0 | — | A |
| Delta Tank Lines, LLC GA | Transportation & Warehousing | 0 | — | A |
| Delta Temp Services, LLC TX | Construction | 0 | — | F |
| Delta Trailer LA | Other Services | 0 | — | A |
| Delta Wye Electric CA | Construction | 0 | — | D |
| Delta Yimin Technologies Inc CA | Manufacturing | 0 | — | D |
| DELTA/BJDS, INC PA | Administrative & Waste Services | 0 | — | C |
| Delta/Railroad Joint Venture LLC NJ | Construction | 0 | — | F |
| DELTACUBES TECHNOLOGY LLC NJ | Professional & Technical Services | 1 | $90,750 | — |
| Deltak Inc. MN | Manufacturing | 0 | — | A |
| DeltaMed Solutions Inc. NJ | Professional & Technical Services | 2 | $130,288 | — |
| Deltech Monomers OpCo, LLC LA | Manufacturing | 0 | — | B |
| Deltech Polymers OpCo, LLC OH | Manufacturing | 0 | — | F |
| Deltek, Inc. VA | Professional & Technical Services | 3 | $162,353 | — |
| Deltrol Corp IL | Manufacturing | 0 | — | C |
| Deltrol Corporation WI | Manufacturing | 0 | — | F |
| Deltrol Fluid Products IL | Manufacturing | 0 | — | F |
