What does ARO stand for?

What does ARO mean?

ARO	Attribute Resolution Order Business » Accounting
ARO	After Receipt of Order Business » Accounting
ARO	Asset Retirement Obligation Business » Accounting
ARO	Austin Repeater Organization Academic & Science » Amateur Radio
ARO	Amateur Radio Operator Academic & Science » Amateur Radio
ARO	Architecture Research Office Academic & Science » Architecture
ARO	Astro Diamond Mines NL Business » ASX Symbols
ARO	Art and Revolution Organization Community
ARO	Aviation Recreational Organization Miscellaneous » Hobbies
ARO	Action Racing Online Internet
ARO	Army Research Office Governmental » Military
ARO	Automatic Reconfiguration Order Governmental » NASA
ARO	Appliance Replacement Option Computing » Networking
ARO	Agriculture Reserarch Organisation Community » Non-Profit Organizations
ARO	Aerosol Solid Medical » Physiology
ARO	After Run Oil Business » Products
ARO	Average Rating Of .... Computing » Texting
ARO	Airport Reservation Office Governmental » Transportation
ARO	Airport Reporting Office Governmental » Transportation
ARO	Academic Research Online Academic & Science » Universities
ARO	Academic Research Organization Academic & Science » Universities
ARO	Announcement of Research Opportunity Governmental » US Government