{"id":189402,"url":"https://lda.gov/api/v1/clients/189402/","client_id":140,"name":"MIDWEST AIR TRAFFIC CONTROL SERVICE, INC.","general_description":"provider of air traffic control and related services","client_government_entity":false,"client_self_select":false,"state":"KS","state_display":"Kansas","country":"US","country_display":"United States of America","ppb_state":null,"ppb_state_display":null,"ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2013-03-07","registrant":{"id":400336564,"url":"https://lda.gov/api/v1/registrants/400336564/","house_registrant_id":null,"name":"THE DOERRER GROUP LLC","description":"government relations consulting","address_1":"800 North Capitol Street NW","address_2":"Suite 800","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20002","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"PAUL DOERRER","contact_telephone":"+1 202-741-9466","dt_updated":"2026-03-09T13:39:10.678277-04:00"}}