What does OPU stand for?

Balimo - Papua New Guinea - Airport symbol (OAG)

Operational Performance Unit (ADA)

Operations Priority Unit

Operator Processing Unit (SAUS)

Opportune - Telegraphy (PCTE)

Out-Plant Usage (VLIE)

Overseas Plexiglas Unit

Pacific University, Forest Grove, OR - OCLC symbol (OCLC)

Unemployed Peoples Union (NADA)