Abbreviations beginning with a

ARENAdditional Requirements for Emergent Needs (Department of Social and Health Services; Washington)
Governmental

ARENArmy Radio Engineered Network
Governmental » Military

ARENAction for Rural Empowerment Network (India)
Miscellaneous

ARENAdaptive Replication for Edge Networks
Miscellaneous » Unclassified

ARENAdditional Requirements for Emergent Needs
Miscellaneous » Unclassified

ARENAdvanced Research and Education Network (various locations)
Miscellaneous

ARENAlternative Religions Education Network
Miscellaneous

ARENAmateur Radio Emergency Network (various locations)
Miscellaneous

ARENAAntarctic Research, a European Network for Astronomy (European Union)
Academic & Science

ARENAAutomated Recourse to Electronic Negotiation Archives
Academic & Science

ARENAApplied Research Ethics National Association
Business » Professional Organizations

ARENAASEAN Real Estate Network Alliance
Business » Real Estate

ARENAA Representative Exhibition for New Artists
Community » Art

ARENAArea Recreation, Entertainment, Nutrition, and Association
Community

ARENAApplied Research Ethics National Association
Governmental » FDA

ARENAASEAN Real Estate Network Alliance
Governmental » Alliances

ARENAApplied Research Ethics National Association
Medical » Veterinary

ARENAA Representative Exhibition for New Artists
Miscellaneous » Unclassified

ARENAAdoption Resource Exchange of North America
Miscellaneous

ARENAAdvanced Research on the Europeanisation of the Nation-State
Miscellaneous