- Natasha Taylor Law Offices
- Nathan M Smulker MD
- National Allied Bureau Inc
- National Archives & Records
- National Association-Health
- National City Bank
- National Clearinghouse
- National Employment Laywers
- National Exhibits-Blind Artsts
- National Flag & Banner Co Inc
- National Group Management Corp
- National Lawyers Guild
- National Lending Corp
- National Lending Corp
- National Security Systems Inc
- National Union Of Hosp & Hlth
- Nationalities Service Ctr
- Nattiel & Assoc
- Natural Connection
- NAVAL Ships Systems Engrng Sta
- NCBS Corp
- Neat Stuff Ent
- Neff Surgical Pharmacy
- Neils Hallmark Shop