{"carrier":{"dot_number":"4823","legal_name":"WILLIAMS MAIL SERVICE INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE;EXEMPT FOR HIRE;U. S. MAIL","operating_status":"AUTHORIZED FOR HIRE;EXEMPT FOR HIRE;U. S. MAIL","phy_street":"1690 OLD WILLIAMSBURG RD","phy_city":"SANDSTON","phy_state":"VA","phy_zip":"23150-1831","phy_country":"US","phone":"8047377799","mc_number":"MC-805489","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":53,"total_drivers":104,"total_cdl":45,"mcs150_mileage":3432289,"mcs150_mileage_year":"2015","mcs150_date":"20190209 1003","add_date":"19740601","officer_1":"WILLIAM E. JUBB, JR","officer_2":"RICHARD JUBB","fleet_size_class":"N","business_type":"CORPORATION","duns_number":"23932437","crash_rate":0,"prior_revoke_flag":"N","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":42,"fatal":1,"injury":15},"safety_scores":[]}