Reliability Analysis Center 
Rural Assistance Center 
Real Application Clusters 
Research Advisory Committee 
Research Analysis Corporation 
Radio Amateurs of Canada 
Resident Agent in Charge 
Rigid Array Carrier 
Royal Automobile Club 
Radium C 
Real Application Cluster 
Recovery Audit Contractor 
Regional Advisory Council 
Routing Area Code 
Royal Armoured Corps 
Racemic 
Radiation Advisory Committee 
Rapid Action Change 
Raw Agricultural Commodity 
Reactor Accident Calculation 
Recycling Advisory Council 
Reference Air Concentration 
Regional Advisory Committee 
Regional Asbestos Coordinator 
regional assistance committee 
Reliability Action Center 
remedial action contract 
remote access and control 
Remote Access Computer 
Remote Access Concentrator