Diana G Ertel List of directors and agents named Diana G Ertel. Found 2 results. DIANA G. ERTEL Registered Address: 8249 WATERFORD RD. PASADENA MD 21122 Appointed in one company. Go To Profile DIANA G. ERTEL Registered Address: 2038 KURTZ AVE. PASADENA MD 21122 Appointed in one company. Go To Profile