{"carrier":{"dot_number":"21204","legal_name":"HEARNEN BROTHERS TRUCKING INC","dba_name":"","entity_type":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","operating_status":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","phy_street":"HCR 1 - BOX 30","phy_city":"CONDE","phy_state":"SD","phy_zip":"57434","phy_country":"US","phone":"6053825242","mc_number":"MC-157701","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":3,"total_drivers":2,"total_cdl":0,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"20080708 0000","add_date":"19740601","officer_1":"LARRY J HEAREN","officer_2":"","fleet_size_class":"B","business_type":"CORPORATION","duns_number":"30028583","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:35:37","updated_at":"2026-05-16 01:35:37"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}