John B Tornillo List of directors and agents named John B Tornillo. Found 2 results. JOHN B. TORNILLO Registered Address: 12210 GLEN MILL RD. POTOMAC MD 20854 Appointed in one company. Go To Profile JOHN B. TORNILLO Registered Address: 10601 RED BARN LANE POTOMAC MD 20854 Appointed in one company. Go To Profile