Categories starting with the letter O

• 679: Obstetricians : See Medical Care in Port Jefferson, NY (by Specialty Starting With M-p) (103)
• 3127: Office Cleaning Services in Port Jefferson, NY (1)
• 680: Office Equipment in Port Jefferson, NY
  • 5245: Office Equipment Retail Stores in Port Jefferson, NY (8)
• 683: Office Furniture in Port Jefferson, NY
  • 3824: Office Furniture Stores (4)
• 685: Office Supplies: See Office Equipment in Port Jefferson, NY (8)
• 5042: Oil Suppliers (home Heating Oil, Fuel Oil) in Port Jefferson, NY (5)
• 4587: Older Adults : See Senior Citizens in Port Jefferson, NY (6)
• 689: Optical Equipment (binoculars, Microscopes, Telescopes) in Port Jefferson, NY (1)
• 688: Opticians and Optometrists in Port Jefferson, NY
  • 1902: Opticians, Full Service (eye Exam, Contact Lenses, Glasses) (10)
• 1722: Orthopedic Shoes in Port Jefferson, NY (corrective Shoes) (4)