What does RIA stand for?

Radio Immuno Assay (SAUS)

Radioimmunoassay - Clinical chemistry

Radioisotope Assay (SAUS)

Railroad Insurance Association

Railway Industry Association - British (EAIO)

Railway Industry Association of Great Britain (SAUS)

Rain in Area (ADA)

Randomized Intervention Analysis - Experimental design

Range Insensitive Axis (ACAE)

Reactivity Initiated Accident - Nuclear energy (NRCH)

Recording Industry Association (SAUS)

Red Ink Award (SAUS)

Regional Integration Arrangement

Registered Industrial Accountant (SAUS)

Registered Industrial and Cost Accountant

Registered Investment Adviser - Securities

Regulatory Impact Analysis - or Assessment

Regulatory Impact Analysis Facility Profile (SAUS)

Regulatory Impact Assessment - Environmental science (COE)

Religious Instruction Association - Later, PERSC

Remote Intelligence Acquisition

Removable Instrument Assembly - Nuclear energy (NRCH)

Rental Industry Association (EARSL)

Research Institute of America - New York, NY - Information service or system (IID)

Research Institute of Atmospherics (SAUS)

Research Institute on Addictions (SAUS)

Research into Aging (WDAA)

Reset Indicators from Accumulator - Computer science (IAA)

Retroactive Liability Insurance

Returns Industry Association (EA)

Reversible Ischemic Attack - Medicine (DMAA)

Riang - Language code (ETLW)

Rich Interactive Application

Rich International Airways, Inc. - ICAO designator (FAAC)

Rich Internet Application

Robotic Industries Association (EA)

Robotics Industries Association (SAUS)

Robotics Industries of America (SAUS)

Robot Institute of America (NADA)

Rock Island Arsenal - Illinois - Army

Royal Irish Academy

Santa Maria - Brazil - Airport symbol (OAG)

W. Richards - NCIC firearms make code (NCIC)