What does OPEN stand for?

Fund for an Open Society (EA)

Ocean Production Enhancement Network (SAUS)

Oncovin, Prednisone, Etopside, Mitoxantrone - Antineoplastic drug (CDI)

Online Public Education Network

Open Environment Corp. - NASDAQ symbol (SAG)

Opening (SAUS)

Open Protocol Enhanced Network - Northern Telecom communications network - Canada

Open Protocol Enhanced Networks

Open Road - NCIC truck make code

Open ROUTE Network - NASDAQ symbol - Formerly, Proteon, Inc.

Optical Pan-European Network (SAUS)

Organisation des Producteurs d'Energie Nucleaire - Paris, France (EAIO)

Organization of Pakistani Entrepreneurs of North America - Association (EA)

Origins of Plasma in the Earth's Neighborhood - Ad Hoc Advisory Committee terminated, 1981

Penetanguishene Public Library, Ontario - Library symbol - National Library of Canada (BIB)