| Northern Inyo Healthcare District CA | Healthcare & Social Assistance | 0 | - | D |
| Northern Iowa Therapy Associates, LLC IA | Healthcare & Social Assistance | 0 | - | F |
| Northern Iron & Machine MN | Manufacturing | 0 | - | B |
| Northern Kentucky University KY | Educational Services | 2 | $83,567 | - |
| Northern Lakes Community Mental Health Authority MI | Healthcare & Social Assistance | 0 | - | C |
| Northern Leasing Systems, Inc. NY | - | 0 | - | - |
| Northern Light - Inland Hospital ME | - | 0 | - | - |
| Northern Light Blue Hill Hospital ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Light CA Dean Hospital ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Light Continuing Care, Lakewood ME | Healthcare & Social Assistance | 0 | - | - |
| Northern Light Eastern Maine Medical Center ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Light Health ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Light Mayo Hospital ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Lights Home Health Care NY | Healthcare & Social Assistance | 0 | - | F |
| Northern Lights, Inc. ID | Utilities | 0 | - | F |
| Northern Louisiana Medical Center LA | Healthcare & Social Assistance | 0 | - | C |
| Northern Maine General ME | Healthcare & Social Assistance | 0 | - | F |
| Northern Maine Medical Center ME | Healthcare & Social Assistance | 1 | - | - |
| Northern Management LLC WI | Real Estate | 0 | - | F |
| Northern Marianas Technical Institute MP | Educational Services | 1 | $51,480 | - |
| Northern Metal Recycling 2019 MN | - | 0 | - | - |
| Northern Michigan University MI | Educational Services | 3 | $91,269 | - |
| Northern Montana Health Care, Inc. MT | Healthcare & Social Assistance | 3 | $239,403 | - |
| Northern Montana Hospital MT | Healthcare & Social Assistance | 0 | - | C |
| Northern Natural Gas Company NE | Transportation & Warehousing | 4 | $120,320 | - |
| Northern Neck Senior Care Community VA | Healthcare & Social Assistance | 0 | - | F |
| Northern Ohio Medical Specialist OH | Healthcare & Social Assistance | 0 | - | F |
| Northern Plains Heating & Air Conditioning, Inc. ND | Construction | 0 | - | A |
| Northern Refrigerated Transportation CA | Transportation & Warehousing | 0 | - | C |
| Northern Regional Jail & Correctional Facility WV | Public Administration | 0 | - | F |
| Northern Safety Company, Inc NY | Wholesale Trade | 0 | - | B |
| Northern Sales Company INC AK | Wholesale Trade | 0 | - | F |
| Northern Staffing Services MI | Administrative & Waste Services | 0 | - | F |
| Northern Stamping OH | Manufacturing | 0 | - | F |
| Northern Star (POGO) LLC AK | Mining & Extraction | 1 | $236,808 | - |
| Northern Sunlight LLC CA | Information & Media | 1 | $89,357 | - |
| Northern Trace Capital LLC OH | Finance & Insurance | 2 | $155,000 | - |
| Northern Tree Service, LLC MA | Administrative & Waste Services | 0 | - | A |
| Northern Valley Indian Health Inc. CA | Healthcare & Social Assistance | 2 | $226,661 | D |
| Northern Video Systems, Inc. CA | - | 0 | - | - |
| Northern Virginia Healthcare Center VA | Healthcare & Social Assistance | 0 | - | F |
| Northern Virginia Regional Park Authority VA | Arts & Entertainment | 0 | - | D |
| Northern Wholesale Supply MN | Wholesale Trade | 0 | - | F |
| Northfield Hospital + Clinics MN | Healthcare & Social Assistance | 0 | - | F |
| Northfield Hospital 2020 MN | - | 0 | - | - |
| Northfield Industries IL | Manufacturing | 0 | - | F |
| Northfield Manufacturing, Inc. MI | Manufacturing | 0 | - | A |
| Northfield Mount Hermon School MA | Educational Services | 1 | $52,169 | - |
| Northfield Park Associates -MGM Northfield Park OH | - | 0 | - | - |
| Northfield Public Schools MN | Educational Services | 0 | - | F |