The meaning of the Acronym POSI is...

POSI is

• Peace Operations Summer Institute

More Meanings For POSI:

• Productores Organicos de la Sierra coffee co-operative
• Point Of Sale, LTD.
• Positive Options Style Innovation
• Peace Operations Summer Institute
• Pain Of Salvation Influenced
• POSItive
• Portable Operating System Interface

POSI is also in:

• Firms
• Hardware
• NASDAQ Symbols
• Networking
• Non-Profit Organizations
• Products
• Religion