- Obstetricians & Gynecologists, Sylvania - Ob-Gyn Doctors, Physicians & Surgeons (Obstetrics & Gynecology)
- Occupational Health Care Professionals, Sylvania
- Occupational Therapy, Sylvania - Occupational Health Specialists
- Office Supplies, Equipment & Office Furniture Stores, Sylvania
- Oil Change & Lubrication, Sylvania - Auto Oil & Quick Lube
- Ophthalmologists, Sylvania - Eye Doctors, Physicians & Surgeons (Ophthalmology)
- Optical Stores - Eyeglasses, Lenses & Sunglasses, Sylvania
- Opticians, Sylvania
- Optometrists, Sylvania - Eye Doctors, Physicians & Surgeons (Optometry)
- Ornamental Greenhouses, Sylvania
- Ornamental Nursery, Sylvania
|
- Ornamental Nursery Services, Sylvania
- Orthopedic & Prosthetic Appliances & Shoes, Sylvania - Orthopedic Shoes
- Orthopedists, Sylvania - Orthopedic Surgery Doctors, Physicians & Surgeons
- Other Attorneys & Lawyers, Sylvania
- Other Attorneys & Lawyers, Sylvania
- Other Building Materials & Supplies, Sylvania
- Other Industrial Contractors, Sylvania
- Other Industrial Goods, Sylvania
- Other Lawyers & Attorneys, Sylvania
- Outdoor Equipment & Accessories, Sylvania
- Outpatient Services, Sylvania - Outpatient Care
|