| Northwest Hardwoods MI | Manufacturing | 0 | — | A |
| Northwest Hardwoods PA | Manufacturing | 0 | — | A |
| Northwest Hardwoods VA | Wholesale Trade | 0 | — | A |
| Northwest Hardwoods WV | Manufacturing | 0 | — | B |
| Northwest Hardwoods - Elkhart IN | Manufacturing | 0 | — | A |
| Northwest Hardwoods Inc WA | Manufacturing | 0 | — | A |
| Northwest Hardwoods Inc. OR | Manufacturing | 0 | — | B |
| Northwest Hardwoods, Inc. WI | Manufacturing | 0 | — | B |
| Northwest Harvest WA | Healthcare & Social Assistance | 0 | — | D |
| Northwest Health La Porte IN | Healthcare & Social Assistance | 0 | — | F |
| Northwest Health Porter IN | Healthcare & Social Assistance | 0 | — | F |
| Northwest Hospice, LLC OR | Healthcare & Social Assistance | 0 | — | F |
| Northwest Hospital LLC AZ | Healthcare & Social Assistance | 1 | $220,000 | — |
| Northwest Indiana Hospital LLC IN | Healthcare & Social Assistance | 0 | — | A |
| Northwest Industrial Services, LLC WA | Transportation & Warehousing | 0 | — | F |
| Northwest Installation Ent., Inc. WA | Construction | 0 | — | F |
| Northwest Insulation Company TX | Construction | 0 | — | A |
| Northwest Insulation, LLC IL | Construction | 0 | — | F |
| Northwest Interiors LLC ID | Construction | 0 | — | F |
| Northwest Interiors, Inc IN | Manufacturing | 0 | — | D |
| Northwest Iowa Community College IA | Educational Services | 1 | $39,957 | — |
| Northwest Iowa Hospital Corporation IA | Healthcare & Social Assistance | 2 | $71,032 | — |
| NORTHWEST KENT MECHANICAL MI | Construction | 0 | — | F |
| Northwest Kidney Center WA | Healthcare & Social Assistance | 0 | — | A |
| Northwest Label Inc WA | Manufacturing | 0 | — | A |
| NORTHWEST MACHINING & MFG., INC. ID | Manufacturing | 0 | — | F |
| Northwest Mechanical IA | Construction | 0 | — | A |
| Northwest Medical Center Albany DBA Mosaic Life Care Medical Center- Albany MO | Healthcare & Social Assistance | 0 | — | B |
| Northwest Medical Foundation of Tillamook OR | Healthcare & Social Assistance | 1 | $93,558 | — |
| Northwest Michigan Health Services, Inc. MI | Healthcare & Social Assistance | 0 | — | F |
| Northwest Michigan Surgery Center (dba Copper Ridge Surgery Center) MI | Healthcare & Social Assistance | 0 | — | F |
| Northwest Missouri Industries Inc. MO | Healthcare & Social Assistance | 0 | — | A |
| Northwest Missouri State University MO | Educational Services | 1 | $57,853 | — |
| Northwest Montessori School WA | Educational Services | 1 | $68,146 | — |
| Northwest Mosquito Abatement District IL | Public Administration | 0 | — | A |
| Northwest Mosquito and Vector Control District CA | Public Administration | 0 | — | C |
| Northwest Motorsport LLC WA | Retail Trade | 0 | — | A |
| Northwest Nazarene University Inc. ID | Educational Services | 0 | — | B |
| Northwest Offset Printing, Inc. WA | — | 0 | — | — |
| Northwest Onion Company OR | Transportation & Warehousing | 0 | — | A |
| Northwest Paper Box Mfrs. Inc. WA | Manufacturing | 0 | — | F |
| Northwest Paper Box Mfrs., Inc. OR | Manufacturing | 0 | — | A |
| Northwest Partitions, Inc. WA | Construction | 0 | — | F |
| Northwest Passage High School MN | Educational Services | 0 | — | A |
| Northwest Paving, Inc. CA | Construction | 0 | — | F |
| Northwest Permanente, PC OR | Healthcare & Social Assistance | 2 | $244,575 | — |
| Northwest Petroleum LP TX | Retail Trade | 0 | — | A |
| Northwest Physician Associates, P.C. TN | Healthcare & Social Assistance | 2 | $381,524 | — |
| Northwest Pipe MO | Manufacturing | 0 | — | F |
| Northwest Pipe Company CA | Manufacturing | 0 | — | F |
