Metals and Additives LLC (MAC) is a private holding company for five separate divisions – OMNI Oxide, Addenda, Polymer Additi ... ves Group, Invotec and Reedy Chemical Foam. The headquarters for MAC is in Indianapolis, Indiana and manufacturing is in Brazil, Indiana. For more details on Addenda, PAG and Reedy, please visit our websites: https://www.addendallc.com/ https://www.pagholdings.com/ http://www.reedychemicalfoam.com/ read more