Categories starting with the letter O

• 679: Obstetricians : See Medical Care on Long Island, NY (by Specialty Starting With M-p) (570)
• 682: Office Buildings and Centers (named And/or Famous) on Long Island, NY (117)
• 3127: Office Cleaning Services on Long Island, NY (19)
• 680: Office Equipment on Long Island, NY (1)
  • 5245: Office Equipment Retail Stores on Long Island, NY (64)
• 683: Office Furniture on Long Island, NY (2)
  • 3824: Office Furniture Stores (49)
  • 7096: Other Office Furniture (1)
  • 3826: Office Furniture - Second-hand/used (2)
  • 3827: Office Furniture - Rental (1)
• 684: Office Space Rentals on Long Island, NY (essay)
• 685: Office Supplies: See Office Equipment on Long Island, NY (65)
• 5042: Oil Suppliers (home Heating Oil, Fuel Oil) on Long Island, NY (101)
• 4587: Older Adults : See Senior Citizens on Long Island, NY (140)
• 3828: Online Services: See Internet Services on Long Island, NY (7)
• 689: Optical Equipment (binoculars, Microscopes, Telescopes) on Long Island, NY (10)
• 688: Opticians and Optometrists on Long Island, NY (1)
  • 3829: Optical Chain Stores (37)
  • 1902: Opticians, Full Service (eye Exam, Contact Lenses, Glasses) (112)
  • 1386: Eye Glasses Only (2)
• 690: Orchestras, Chamber Groups, Choral Groups on Long Island, NY (16)
• 386: Organic and Natural Food Stores on Long Island, NY (23)
• 6549: Outdoor Play Equipment on Long Island, NY (14)