{"id":400660986,"url":"https://lda.gov/api/v1/registrants/400660986/","house_registrant_id":41435,"name":"MASON CONSULTING, LLC","description":"Federal policy consultant","address_1":"412 1st Street SE","address_2":"Suite 3","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20003","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"G. DAVID MASON","contact_telephone":"+1 202-251-8107","dt_updated":"2026-08-04T10:38:37.288860-04:00"}