| Northwest Christian School AZ | Educational Services | 1 | $54,000 | — |
| Northwest Colorado Visiting Nurse Association CO | Healthcare & Social Assistance | 0 | — | A |
| Northwest Colorado Visiting Nurse Association-The Haven Assisted Living Facility CO | Healthcare & Social Assistance | 0 | — | F |
| Northwest Commercial Exterior Company OR | Construction | 0 | — | F |
| Northwest Commonwealth AZ | Manufacturing | 0 | — | F |
| Northwest Commonwealth NV | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC CA | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC IL | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC MI | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC OK | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC OR | Manufacturing | 0 | — | F |
| Northwest Commonwealth, LLC WA | Manufacturing | 0 | — | F |
| NORTHWEST COMMUNITY ACTION, INC. MN | Other Services | 1 | $54,080 | — |
| Northwest Community Hospital IL | Healthcare & Social Assistance | 0 | — | D |
| Northwest Companies AZ | Administrative & Waste Services | 0 | — | F |
| Northwest Concrete Products OK | Transportation & Warehousing | 0 | — | A |
| Northwest Confections Colorado, LLC CO | Manufacturing | 0 | — | F |
| Northwest Connecticut Association for the Arts, Inc. CT | Arts & Entertainment | 0 | — | A |
| Northwest Construction AZ | Construction | 0 | — | F |
| Northwest Contracting Services, Inc. TN | Construction | 0 | — | A |
| Northwest Controls Systems, Inc AR | Construction | 0 | — | B |
| Northwest Corp SD | Construction | 0 | — | A |
| Northwest Demolition & Dismantling Inc. OR | Construction | 0 | — | A |
| NORTHWEST DENTAL ASSOCIATES, P.C. CA | Healthcare & Social Assistance | 1 | $134,722 | — |
| Northwest Distribution and Storage OR | Transportation & Warehousing | 0 | — | C |
| Northwest Earthmovers, Inc. OR | Construction | 0 | — | F |
| Northwest Edison WA | Construction | 0 | — | F |
| Northwest Electric & Solar LLC WA | Construction | 0 | — | A |
| Northwest Electric, LLC IA | Other Services | 0 | — | A |
| Northwest Electric, LLC NE | Other Services | 0 | — | D |
| Northwest Electrical Contracting, Inc OH | Construction | 0 | — | A |
| Northwest EMS Inc PA | Healthcare & Social Assistance | 0 | — | F |
| Northwest Exterminating Co., Inc. AZ | Administrative & Waste Services | 0 | — | F |
| Northwest Family Physicians MN | Healthcare & Social Assistance | 0 | — | A |
| Northwest Family Physicians Crystal MN | Healthcare & Social Assistance | 0 | — | A |
| Northwest Family Physicians Rogers MN | Healthcare & Social Assistance | 0 | — | A |
| Northwest Fence WA | Construction | 0 | — | F |
| Northwest Fire Prot. District IL | Public Administration | 0 | — | A |
| Northwest Fire Systems LLC WA | Construction | 0 | — | A |
| Northwest Framing Systems OR | Construction | 0 | — | F |
| Northwest Frozen LLC, dba Banzai Sushi WA | Manufacturing | 1 | $81,432 | — |
| Northwest Fruit INC OR | Manufacturing | 0 | — | C |
| Northwest Furniture Express, Inc. NC | — | 0 | — | — |
| Northwest General Engineering CA | Construction | 0 | — | F |
| Northwest Glass, Inc. MT | Manufacturing | 0 | — | A |
| Northwest Grain Growers WA | Transportation & Warehousing | 0 | — | B |
| NorthWest Handling Systems, Inc. AK | Wholesale Trade | 0 | — | A |
| NorthWest Handling Systems, Inc. OR | Wholesale Trade | 0 | — | A |
| NorthWest Handling Systems, Inc. WA | Wholesale Trade | 0 | — | D |
| Northwest Hardwood - Lewiston MI | Manufacturing | 0 | — | A |
