- Nail Salons, Zanesville
- National Government, Zanesville
- Natural Stone, Zanesville - Suppliers & Wholesalers
- Neon Signs, Zanesville
- Nephrologists, Zanesville - Kidney Doctors, Physicians & Surgeons (Nephrology)
- Neurologists, Zanesville - Neurology Doctors, Physicians & Surgeons
- New Covenant Church, Zanesville
- Newspaper Manufacturers, Zanesville
- Newspaper Television & Radio Professionals, Zanesville
- Non-Denominational Churches, Zanesville
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- Noncommercial Research Organizations, Zanesville
- Noncommercial Social Research Organization, Zanesville
- Nonresidential Building Operators, Zanesville
- North American Restaurants, Zanesville
- Nurseries & Garden Centers, Zanesville
- Nurses, Zanesville
- Nursing & Life Care Homes, Zanesville
- Nursing Homes, Zanesville - Skilled Nursing Facility - Personal Care Centers
- Nuts & Bolts, Zanesville
- Nuts, Bolts & Other Miscellaneous Metal Fasteners, Zanesville
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