| Northern States Metals Comapny OH | Manufacturing | 0 | — | D |
| Northern States Supply, Inc MN | Wholesale Trade | 0 | — | F |
| Northern Steel Services, L.L.C. MI | Manufacturing | 0 | — | A |
| NORTHERN STEEL TRANSPORT OH | Transportation & Warehousing | 0 | — | A |
| Northern Sunlight LLC CA | Information & Media | 1 | $89,357 | — |
| Northern Technologies International Corporation MN | Manufacturing | 0 | — | B |
| Northern Tier Contracting Inc. NY | Construction | 0 | — | F |
| Northern Trace Capital LLC OH | Finance & Insurance | 2 | $155,000 | — |
| NORTHERN TRADING LLC PA | Retail Trade | 0 | — | A |
| Northern Transitions Inc MI | Healthcare & Social Assistance | 0 | — | F |
| Northern Tree Service, LLC MA | Administrative & Waste Services | 0 | — | A |
| Northern Utilities d/b/a/ Unitil ME | Utilities | 0 | — | F |
| Northern Utilities, Inc d/b/a Unitil NH | Utilities | 0 | — | F |
| Northern Valley Electrical Service Inc. ND | Construction | 0 | — | B |
| Northern Valley Emergency Medical Services, Inc. PA | Healthcare & Social Assistance | 0 | — | F |
| Northern Valley Erectors PA | Construction | 0 | — | A |
| Northern Valley Indian Health Inc. CA | Healthcare & Social Assistance | 2 | $226,661 | D |
| Northern Valley Machine MN | Construction | 0 | — | B |
| Northern Video Systems, Inc. CA | — | 0 | — | — |
| Northern Virginia Battery, LLC VA | Wholesale Trade | 0 | — | A |
| Northern Virginia Drilling Inc. VA | Construction | 0 | — | F |
| Northern Virginia Healthcare Center VA | Healthcare & Social Assistance | 0 | — | F |
| Northern Virginia Regional Park Authority VA | Arts & Entertainment | 0 | — | D |
| Northern Virginia Residential Cleaning Services, LLC VA | Administrative & Waste Services | 0 | — | F |
| Northern Virginia Surgery Center VA | Healthcare & Social Assistance | 0 | — | F |
| Northern Wholesale Supply MN | Wholesale Trade | 0 | — | F |
| Northern Wind, LLC MA | Wholesale Trade | 0 | — | C |
| Northern Wyoming Surgical Center WY | Healthcare & Social Assistance | 0 | — | A |
| Northern X-Ray dba NXC Imaging MN | Wholesale Trade | 0 | — | D |
| Northestern Muncipal EMS, Inc. WI | Healthcare & Social Assistance | 0 | — | F |
| Northfield Automotive Inc. MN | Retail Trade | 0 | — | C |
| Northfield Block Company IL | Manufacturing | 0 | — | C |
| Northfield Block Company IN | Manufacturing | 0 | — | C |
| Northfield Block Company OH | Manufacturing | 0 | — | F |
| Northfield Block/Oldcastle MN | Manufacturing | 0 | — | A |
| Northfield Care Center Inc MN | Healthcare & Social Assistance | 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 Parkview Inc MN | Healthcare & Social Assistance | 0 | — | F |
| Northfield Precision Instrument Corp NY | Other Services | 0 | — | F |
| Northfield Public Schools MN | Educational Services | 0 | — | F |
| Northfield Retirement Communities, Inc. NE | Healthcare & Social Assistance | 0 | — | F |
| Northfield Village Skilled Nursing & Rehabilitation OH | Healthcare & Social Assistance | 0 | — | F |
| Northfork Electric Coop OK | Utilities | 0 | — | A |
| NorthFresh Coffee Roasters LLC. OR | Accommodation & Food Services | 0 | — | A |
| Northgate MI | Manufacturing | 0 | — | D |
