{"id":66343,"url":"https://lda.senate.gov/api/v1/clients/66343/?format=json","client_id":66343,"name":"MARTIN MARIETTA MATERIALS","general_description":"Heavy building materials supplier.","client_government_entity":null,"client_self_select":false,"state":"NC","state_display":"North Carolina","country":"US","country_display":"United States of America","ppb_state":"NC","ppb_state_display":"North Carolina","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2025-03-30","registrant":{"id":401107619,"url":"https://lda.senate.gov/api/v1/registrants/401107619/?format=json","house_registrant_id":56078,"name":"SMITH DAVIS ADVISORY & RESEARCH LLC","description":null,"address_1":"4208 Kimbrelee Court","address_2":null,"address_3":null,"address_4":null,"city":"Alexandria","state":"VA","state_display":"Virginia","zip":"22309","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"SMITH DAVIS","contact_telephone":"+1 703-360-3631","dt_updated":"2026-07-21T17:07:20.728773-04:00"}}