Opi

Opi is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Bulletin & Directory Boards

North American Industry Classification System (NAICS) Categories:

• Office Supplies And Stationery Stores > Stationery & Office Supplies > Bulletin & Directory Boards

Standard Industry Classification (SIC) Categories:

• Stationery & Office Supplies > Stationery & Office Supplies, Nec > Bulletin & Directory Boards