According to our records, this business is located at 644 S Queen St Ste 106 in Dover (in Kent County), Delaware 19904, the location GPS coordinates are: 39.151705 (latitude), -75.528835 (longitude). Martin & Sidel Holdings LLC is categorized under Holding Utilities Companies (SIC code 6719). Current estimates show that the unit has a sales volume of $71,000 and staff of approximately 2 people. You can contact the company by phone at (302) 735-4800.