| National Carriers, Inc. CA | - | 0 | - | - |
| National Carwash Solutions IA | Manufacturing | 0 | - | C |
| National Carwash Solutions WY | Manufacturing | 0 | - | F |
| National Cement Company of California, Inc. CA | Manufacturing | 1 | $106,912 | - |
| National Centers on Institutions and Alternatives MD | Healthcare & Social Assistance | 0 | - | F |
| National Charitable Services MA | Finance & Insurance | 4 | $109,658 | - |
| National Charitable Services d/b/a Fidelity Investments MA | Finance & Insurance | 1 | $127,878 | - |
| National Charitable Services LLC d/b/a Fidelity Investments MA | Finance & Insurance | 10 | $117,331 | - |
| National Charitable Services LLC d/b/a Fidelity Investments MA | - | 22 | $124,084 | - |
| National Church Residences OH | Healthcare & Social Assistance | 0 | - | D |
| National Coney Island MI | Accommodation & Food Services | 0 | - | F |
| National Conference Center VA | - | 0 | - | - |
| National Construction Enterprises, Inc. MI | Construction | 0 | - | C |
| National Consulting Group Inc NJ | Professional & Technical Services | 17 | $103,314 | - |
| National Cooperative Bank, N.A. VA | Finance & Insurance | 1 | $133,900 | - |
| National Copper & Smelting Co AL | - | 0 | - | - |
| National Copper and Smelting Co. TN | - | 0 | - | - |
| National Council for Air and Stream Improvement, Inc. NC | - | 2 | $81,869 | - |
| National Council for Behavioral Health DC | - | 1 | $133,593 | - |
| National Council of State Boards of Nursing, Inc. IL | Other Services | 2 | $128,844 | - |
| National Credit Services TX | - | 0 | - | - |
| National Crop Insurance Services KS | - | 1 | $135,000 | - |
| National DCP, LLC FL | Wholesale Trade | 0 | - | F |
| National DCP, LLC GA | Wholesale Trade | 1 | $201,981 | F |
| National DCP, LLC IL | Wholesale Trade | 0 | - | F |
| National DCP, LLC MA | Wholesale Trade | 0 | - | F |
| National DCP, LLC NJ | Wholesale Trade | 0 | - | F |
| National DCP, LLC BELLINGHAM, MA DISTRIBUTION CENTER MA | Wholesale Trade | 0 | - | F |
| National DCP, LLC LOCKPORT, IL DISTRIBUTION CENTER IL | Wholesale Trade | 0 | - | F |
| National DCP, LLC MCDONOUGH DISTRIBUTION CENTER GA | Wholesale Trade | 0 | - | F |
| National DCP, LLC WESTAMPTON DISTRIBUTION CENTER NJ | Wholesale Trade | 0 | - | F |
| National Debt Relief LLC NY | Finance & Insurance | 1 | $187,461 | - |
| National Distribution Centers LLC NJ | Transportation & Warehousing | 0 | - | B |
| National Distribution Centers, LLC CA | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC FL | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC GA | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC IL | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC IN | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC NC | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC PA | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC TX | Transportation & Warehousing | 0 | - | A |
| National Distribution Centers, LLC & NFI Interactive Logistics, LLC IN | - | 0 | - | - |
| National Distribution Centers, LLC (NDC) CA | - | 0 | - | - |
| National Distribution Centers, LLC COVID19 NC | - | 0 | - | - |
| National Distributors, Inc. ME | Wholesale Trade | 0 | - | F |
| National Diversified Sales, Inc. CA | - | 0 | - | - |
| National Ecological Observatory Network dba Battelle Ecology CO | - | 0 | - | - |
| National Economic Research Associates, INC. NY | Professional & Technical Services | 12 | $102,167 | - |
| National Education Association of the United States DC | Other Services | 1 | $153,571 | - |
| National Education Partners AZ | - | 0 | - | - |