{"carrier":{"dot_number":"3451561","legal_name":"SHEEHAN MARINE SERVICES INCORPORATED","dba_name":"MIDHARBOR","entity_type":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","operating_status":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","phy_street":"9 BIRCH ST","phy_city":"MARBLEHEAD","phy_state":"MA","phy_zip":"01945","phy_country":"US","phone":"7816310611","mc_number":"MC-1123844","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":4,"total_cdl":0,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"20200709 1743","add_date":"20200709","officer_1":"AMY SHEEHAN","officer_2":"","fleet_size_class":"A","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:59:56","updated_at":"2026-05-16 01:59:56"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}