{"carrier":{"dot_number":"1306114","legal_name":"DEAN GRUNDMEYER","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"7054 D AVENUE","phy_city":"ARLINGTON","phy_state":"IA","phy_zip":"50606","phy_country":"US","phone":"5636333125","mc_number":"MC-508967","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":1,"total_cdl":1,"mcs150_mileage":80000,"mcs150_mileage_year":"2012","mcs150_date":"20130103 0000","add_date":"20041119","officer_1":"DEAN GRUNDMEYER","officer_2":"","fleet_size_class":"A","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:44:25","updated_at":"2026-05-16 01:44:25"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}