- ROII
- Return On Internet Investment (Business » General)* Return On Industrial Insurance (Business » General)* Return On Inventory Investment (Business » General)* Return On Inventory Investment (Business » Accounting)* Requisite Organization International Institute (Academic & Science » Universities)* Requisite Organization International Institute (Business » General)* Relative Optical Interference Intensity (Academic & Science » Physics)* Rock Oil International Incorporated (Business » Firms)* Reverse Osmosis, second stage (Business » Products)* RAM Optical Instrumentation, Inc. (Business » Firms)
Abbreviations dictionary. 2012.