Categories starting with the letter O

• 679: Obstetricians : See Medical Care in Melville, NY (by Specialty Starting With M-p) (59)
• 682: Office Buildings and Centers (named And/or Famous) in Melville, NY (74)
• 3127: Office Cleaning Services in Melville, NY (2)
• 680: Office Equipment in Melville, NY
  • 5245: Office Equipment Retail Stores in Melville, NY (12)
• 683: Office Furniture in Melville, NY
  • 3824: Office Furniture Stores (16)
  • 7096: Other Office Furniture (1)
  • 3826: Office Furniture - Second-hand/used (1)
• 685: Office Supplies: See Office Equipment in Melville, NY (12)
• 5042: Oil Suppliers (home Heating Oil, Fuel Oil) in Melville, NY (15)
• 4587: Older Adults : See Senior Citizens in Melville, NY (8)
• 689: Optical Equipment (binoculars, Microscopes, Telescopes) in Melville, NY (2)
• 688: Opticians and Optometrists in Melville, NY
  • 3829: Optical Chain Stores (9)
  • 1902: Opticians, Full Service (eye Exam, Contact Lenses, Glasses) (13)
• 690: Orchestras, Chamber Groups, Choral Groups in Melville, NY (3)
• 386: Organic and Natural Food Stores in Melville, NY (2)
• 6549: Outdoor Play Equipment in Melville, NY (4)