{"carrier":{"dot_number":"3368536","legal_name":"TECOGEN INC","dba_name":"","entity_type":"PRIVATE PROPERTY","operating_status":"PRIVATE PROPERTY","phy_street":"45 1ST AVE","phy_city":"WALTHAM","phy_state":"MA","phy_zip":"02451","phy_country":"US","phone":"7814666482","mc_number":"MC-1079681","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"Y","power_units":2,"total_drivers":2,"total_cdl":0,"mcs150_mileage":1,"mcs150_mileage_year":"2021","mcs150_date":"20231208 0941","add_date":"20191211","officer_1":"JOSEPH GEHRET","officer_2":"DONNA ROZALSKI","fleet_size_class":"B","business_type":"","duns_number":"14206119","crash_rate":0,"prior_revoke_flag":"Y","prior_revoke_dot":"3368536","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:59:18","updated_at":"2026-05-16 01:59:18"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}