Thomas D Knapp List of directors and agents named Thomas D Knapp. Found 2 results. THOMAS D. KNAPP Registered Address: 1509 KETTERING COURT BEL AIR MD 21014 Appointed in one company. Go To Profile THOMAS D. KNAPP Registered Address: 1509 KITTERING COURT BEL AIR MD 21014 Appointed in one company. Go To Profile