John M Wehrung List of directors and agents named John M Wehrung. Found 2 results. JOHN M. WEHRUNG Registered Address: 10705 ALLOWAY DRIVE POTOMAC MD 20854 Appointed in one company. Go To Profile JOHN M WEHRUNG Registered Address: 10705 ALLOWAY DR POTOMAC MD 20854 Appointed in three companies. Go To Profile