Abbreviations beginning with i

ISSAInformation Systems Security Association
Computing » IT

ISSAInformation Systems Security Association
Computing » Security

ISSAInteroperable Signed Sender Address
Computing » Networking

ISSAInstallation Services Support Agreement
Governmental

ISSAInstallation Supply Support Activity
Governmental

ISSAIntelligence Specialist Seaman Apprentice
Governmental » Navy

ISSAInterim Software Support Activity
Governmental

ISSAInterservice Supply Support Agreement
Governmental

ISSAInterservice Support Agreement
Governmental

ISSAInter-Service Support Agreement
Governmental » Military

ISSAtelligence Specialist Seaman Apprentice
Governmental » Navy

ISSAInternational Sailing School Association
International

ISSAInternational Slalom Skateboarding Association
International

ISSAInternational Space Station Alpha
International

ISSAIllini Secular Student Alliance (University of Illinois)
Miscellaneous

ISSAIllustrissimus Senatus Studiosorum Amstelodamensium
Miscellaneous

ISSAIndustrial Security Staff Approval
Miscellaneous » Unclassified

ISSAIndustrial Security Staff Approval (US security clearance)
Miscellaneous

ISSAInformation Systems Security Architecture
Miscellaneous

ISSAInformation Systems Support Activity
Miscellaneous » Unclassified