| Northwest Permanente, PC OR | Healthcare & Social Assistance | 2 | $244,575 | - |
| Northwest Physician Associates, P.C. TN | Healthcare & Social Assistance | 2 | $381,524 | - |
| Northwest Pipe Company CA | Manufacturing | 0 | - | F |
| Northwest Pipe Company CO | - | 0 | - | - |
| Northwest Pipe Company KS | - | 0 | - | - |
| NorthWest Pipe Company OR | Manufacturing | 0 | - | F |
| Northwest Pipe Fittings, Inc SD | Wholesale Trade | 0 | - | B |
| Northwest Pipe Fittings, Inc. MT | Wholesale Trade | 0 | - | F |
| Northwest Regional Education Service District OR | Educational Services | 0 | - | C |
| Northwest Regional Foundation of Tillamook OR | Healthcare & Social Assistance | 1 | $93,558 | - |
| Northwest Regional Medical Center MS | - | 0 | - | - |
| Northwest Renal Clinic, Inc. OR | Healthcare & Social Assistance | 1 | $240,000 | - |
| Northwest Restoration Operating Inc. WA | Construction | 0 | - | F |
| Northwest Steel and Pipe, Inc. WA | Wholesale Trade | 0 | - | F |
| Northwest Surplus LLC. WA | - | 1 | $104,000 | - |
| Northwest Tennessee Human Resource Agency TN | Public Administration | 0 | - | D |
| Northwest Trustee & Management Services WA | Finance & Insurance | 1 | $75,005 | - |
| Northwest Trustee Services, Inc. WA | - | 0 | - | - |
| Northwestern College IA | Educational Services | 6 | $68,628 | - |
| NorthWestern Energy MT | Utilities | 0 | - | D |
| Northwestern Industries, Inc WA | - | 0 | - | - |
| Northwestern Medical Center VT | Healthcare & Social Assistance | 4 | $87,045 | - |
| Northwestern Medical Faculty Foundation IL | Healthcare & Social Assistance | 7 | $750,000 | - |
| Northwestern Memorial HealthCare IL | Healthcare & Social Assistance | 76 | $83,042 | - |
| Northwestern Michigan College - 28999 - 3900340 MI | Educational Services | 0 | - | A |
| Northwestern Minnesota Juvenile Center MN | Public Administration | 0 | - | F |
| Northwestern Mutual Life Insurance Company WI | Finance & Insurance | 110 | $142,884 | - |
| Northwestern State University of Louisiana LA | Educational Services | 2 | $65,668 | - |
| Northwestern University IL | Educational Services | 279 | $70,268 | - |
| Northwind Management LLC NY | - | 2 | $115,000 | - |
| NorthWind Technical Services LLC KS | Professional & Technical Services | 1 | $102,898 | - |
| Northwinds Technology Solutions LLC VA | Information & Media | 2 | $95,275 | - |
| Northwood Childrens Home Society, Inc. dba Northwood Children's Services MN | Healthcare & Social Assistance | 0 | - | F |
| Northwood Health Care OH | Healthcare & Social Assistance | 0 | - | - |
| Northwood HealthCare OH | Healthcare & Social Assistance | 0 | - | - |
| Northwood Healthcare Group LLC NJ | Healthcare & Social Assistance | 1 | $71,136 | - |
| Northwood Investors LLC CO | Real Estate | 1 | $200,000 | - |
| Northwood Manufacturing Inc OR | Manufacturing | 0 | - | C |
| Northwood University TX | - | 0 | - | - |
| Norton Audubon Hospital AUD KY | Healthcare & Social Assistance | 0 | - | F |
| Norton Brownsboro Hospital NBH KY | Healthcare & Social Assistance | 0 | - | F |
| Norton Children's Hospital NCH KY | Healthcare & Social Assistance | 0 | - | C |
| Norton Energy Drilling TX | Mining & Extraction | 0 | - | F |
| Norton Environmental Inc. AZ | Administrative & Waste Services | 0 | - | F |
| Norton Healthcare KY | Healthcare & Social Assistance | 0 | - | C |
| Norton Healthcare Inc. KY | - | 2 | $167,440 | - |
| Norton Hospital NOR KY | Healthcare & Social Assistance | 0 | - | F |
| Norton King's Daughters' Health IN | Healthcare & Social Assistance | 0 | - | F |
| Norton Lilly International, Inc. AL | - | 1 | $170,000 | - |
| Norton Packaging Inc. CA | Manufacturing | 0 | - | F |