Alverda M Krapp List of directors and agents named Alverda M Krapp. Found 2 results. ALVERDA M. KRAPP Registered Address: 2810 FIFTH AVENUE BALTIMORE MD 21234 Appointed in one company. Go To Profile ALVERDA MCCOY Registered Address: 9705 22ND AVENUE ADELPHI MD 20783 Appointed in one company. Go To Profile