C Thomas Mcmillen List of directors and agents named C Thomas Mcmillen. Found 2 results. C. THOMAS MCMILLEN Registered Address: 1167 JEFFRY DRIVE CROFTON MD 21114 Appointed in one company. Go To Profile C THOMAS MCMILLEN Registered Address: 1167 JEFFREY DRIVE CROFTON MD 21114 Appointed in one company. Go To Profile