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O'CONNELL, DAVIDO'DELL, STEPHENO.D.I.O.K.OBREGONOHIO ORDNANCE INC.OJANGUREN Y VIDOSAOLD WEST GUN CO.OLYMPIC ARMS, INC.OMEGAOMEGA FIREARMS CO.OPUS SPORTING ARMS, INC.ORBEA & CIAORTGIES, HEINRICH & CO.ORVISOSBORN, S.OSGOOD GUN WORKSOVERTON, JOHNOWA