- OCG
- OSTC Certification Group
- ODP
- Open Distributed Processing
- OIML
- International Organization of Legal Metrology
- OIW
- OSI Implementors’ Workshop (within NIST)
- OJEU
- Official Journal of the European Union (formerly known as OJEC)
- ON
- Österreichisches Normungsinstitut (National Member for Austria)
- ONC
- Organisme National de Certification (National Certification Organization)
- ONH
- Organisme National Habilité (National Authorized Institution)
- ONS
- Organisme National de Surveillance (National Supervising Inspectorate)
- ORGALIME
- European federation of national industrial associations representing the European mechanical, electrical, electronic and metal articles industries
- OSI
- Open Systems Interconnection
- OSITOP
- Open Systems Interconnection/Technical and Office Protocols (user association)
- OSTC
- Open Systems Testing Consortium (Agreement Group)
- OTL
- OSI Testing Liaison (ECITC)
- OV
- Order Voucher
|
|