{"count":136046,"next":"https://lda.senate.gov/api/v1/clients/?format=json&ordering=name&page=5132","previous":"https://lda.senate.gov/api/v1/clients/?format=json&ordering=name&page=5130","results":[{"id":209633,"url":"https://lda.senate.gov/api/v1/clients/209633/?format=json","client_id":125,"name":"USNC-TECH","general_description":"Developer of space-based nuclear energy systems","client_government_entity":false,"client_self_select":null,"state":"WA","state_display":"Washington","country":"US","country_display":"United States of America","ppb_state":"WA","ppb_state_display":"Washington","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2021-03-01","registrant":{"id":401104556,"url":"https://lda.senate.gov/api/v1/registrants/401104556/?format=json","house_registrant_id":null,"name":"BOUNDARY STONE PARTNERS","description":"Public affairs and strategic communications firm","address_1":"1001 Pennsylvania Ave, NW","address_2":"Suite 740 South","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20004","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"JEFF NAVIN","contact_telephone":"+1 202-834-3445","dt_updated":"2026-01-30T16:37:16.727146-05:00"}},{"id":173880,"url":"https://lda.senate.gov/api/v1/clients/173880/?format=json","client_id":366,"name":"US NIGHT VISION CORPORATION","general_description":"provider of night vision, thermal imaging, infrared and lasers","client_government_entity":false,"client_self_select":false,"state":"CA","state_display":"California","country":"US","country_display":"United States of America","ppb_state":"CA","ppb_state_display":"California","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2011-04-15","registrant":{"id":88278,"url":"https://lda.senate.gov/api/v1/registrants/88278/?format=json","house_registrant_id":36652,"name":"UPSTREAM CONSULTING","description":"Government Relations","address_1":"P.O. Box 159","address_2":null,"address_3":null,"address_4":null,"city":"Catharpin","state":"VA","state_display":"Virginia","zip":"20143","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"C. MCCLAIN HADDOW","contact_telephone":"+1 571-294-5978","dt_updated":"2026-07-20T11:58:47.764743-04:00"}},{"id":57750,"url":"https://lda.senate.gov/api/v1/clients/57750/?format=json","client_id":57750,"name":"USN OPCO, LLC D/B/A PANORAMIC HEALTH","general_description":"Physician-led nephrology organization","client_government_entity":null,"client_self_select":false,"state":"AZ","state_display":"Arizona","country":"US","country_display":"United States of America","ppb_state":"AZ","ppb_state_display":"Arizona","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2023-10-01","registrant":{"id":18466,"url":"https://lda.senate.gov/api/v1/registrants/18466/?format=json","house_registrant_id":30825,"name":"HOLLAND & KNIGHT LLP","description":"Law Firm","address_1":"800 17th Street NW","address_2":"Suite 1100","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20006","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"RICHARD GOLD","contact_telephone":"+1 202-955-3000","dt_updated":"2026-01-29T12:53:12.839213-05:00"}},{"id":164667,"url":"https://lda.senate.gov/api/v1/clients/164667/?format=json","client_id":2310,"name":"USO","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"1899-12-30","registrant":{"id":70175,"url":"https://lda.senate.gov/api/v1/registrants/70175/?format=json","house_registrant_id":30174,"name":"MERCURY PUBLIC AFFAIRS, LLC","description":"lobbying","address_1":"1130 Connecticut Ave NW","address_2":"Suite 475","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20036","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"ADINA MINCHER","contact_telephone":"+1 518-810-2468","dt_updated":"2026-06-30T12:17:51.187534-04:00"}},{"id":165561,"url":"https://lda.senate.gov/api/v1/clients/165561/?format=json","client_id":238,"name":"USO","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2002-06-01","registrant":{"id":72053,"url":"https://lda.senate.gov/api/v1/registrants/72053/?format=json","house_registrant_id":35843,"name":"CAPITOL HILL CONSULTING GROUP","description":"Government Relations Firm","address_1":"926 Pennsylvania Ave, SE","address_2":null,"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":"TAZEEN AHMAD","contact_telephone":"+1 202-488-0101","dt_updated":"2026-02-12T13:35:33.453852-05:00"}},{"id":120345,"url":"https://lda.senate.gov/api/v1/clients/120345/?format=json","client_id":1496,"name":"USO","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"VA","state_display":"Virginia","country":"US","country_display":"United States of America","ppb_state":"VA","ppb_state_display":"Virginia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2004-06-15","registrant":{"id":14792,"url":"https://lda.senate.gov/api/v1/registrants/14792/?format=json","house_registrant_id":33539,"name":"FLEISCHMAN AND HARDING LLP","description":"12/31/2005","address_1":"1255 23RD STREET, NW","address_2":"EIGHTH FLOOR","address_3":null,"address_4":null,"city":"WASHINGTON","state":"DC","state_display":"District of Columbia","zip":"20037","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"GREGORY E. YOUNG","contact_telephone":"+1 202-478-7080","dt_updated":"2022-04-06T16:07:44.668971-04:00"}},{"id":178016,"url":"https://lda.senate.gov/api/v1/clients/178016/?format=json","client_id":36,"name":"USO","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"VA","state_display":"Virginia","country":"US","country_display":"United States of America","ppb_state":"VA","ppb_state_display":"Virginia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2007-08-04","registrant":{"id":292573,"url":"https://lda.senate.gov/api/v1/registrants/292573/?format=json","house_registrant_id":37315,"name":"MCALLISTER & QUINN, LLC","description":"&#226;€‹Federal and Foundation Grants and Government Relations consulting firm.","address_1":"1625 Eye Street, NW","address_2":"Suite 750","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20006","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"ANDRE JACOBS","contact_telephone":"+1 202-296-2741","dt_updated":"2026-07-28T15:00:16.459053-04:00"}},{"id":127551,"url":"https://lda.senate.gov/api/v1/clients/127551/?format=json","client_id":1371,"name":"US OCEAN LLC","general_description":null,"client_government_entity":false,"client_self_select":null,"state":"LA","state_display":"Louisiana","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":"2007-08-14","registrant":{"id":20881,"url":"https://lda.senate.gov/api/v1/registrants/20881/?format=json","house_registrant_id":31496,"name":"JONES WALKER, LLP","description":"LAW FIRM","address_1":"1 M STREET SE","address_2":"Suite 600","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":"R. CHRISTIAN JOHNSEN","contact_telephone":"+1 202-203-1000","dt_updated":"2026-07-15T09:43:55.869544-04:00"}},{"id":60670,"url":"https://lda.senate.gov/api/v1/clients/60670/?format=json","client_id":60670,"name":"U.S. OCTG MANUFACTURERS ASSCOCIATION","general_description":"Lobby Efforts on Trade","client_government_entity":null,"client_self_select":false,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2024-04-01","registrant":{"id":34477,"url":"https://lda.senate.gov/api/v1/registrants/34477/?format=json","house_registrant_id":30446,"name":"SCHAGRIN ASSOCIATES","description":"For work on legislation pertaining to renewable energy in American Jobs Plan Act","address_1":"900 Seventh Street, N.W.","address_2":"Suite #500","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20001","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"TAMARA L. BROWNE","contact_telephone":"+1 202-223-1700","dt_updated":"2026-07-09T14:43:42.859916-04:00"}},{"id":167148,"url":"https://lda.senate.gov/api/v1/clients/167148/?format=json","client_id":1000904,"name":"US OIL","general_description":null,"client_government_entity":false,"client_self_select":null,"state":null,"state_display":null,"country":"","country_display":"* Undetermined","ppb_state":null,"ppb_state_display":null,"ppb_country":"","ppb_country_display":"* Undetermined","effective_date":"2007-08-13","registrant":{"id":73670,"url":"https://lda.senate.gov/api/v1/registrants/73670/?format=json","house_registrant_id":35985,"name":"THOMPSON CONSULTING GROUP","description":"consultant","address_1":"PO BOX 2192","address_2":null,"address_3":null,"address_4":null,"city":"Tacoma","state":"WA","state_display":"Washington","zip":"98401","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"TIM THOMPSON","contact_telephone":"+1 253-879-1250","dt_updated":"2026-02-26T14:21:18.635452-05:00"}},{"id":168543,"url":"https://lda.senate.gov/api/v1/clients/168543/?format=json","client_id":1007235,"name":"US OIL","general_description":"A wholesale fuel distribution company.","client_government_entity":false,"client_self_select":null,"state":"IN","state_display":"Indiana","country":"US","country_display":"United States of America","ppb_state":"IN","ppb_state_display":"Indiana","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2014-02-11","registrant":{"id":75570,"url":"https://lda.senate.gov/api/v1/registrants/75570/?format=json","house_registrant_id":36049,"name":"J M BURKMAN & ASSOCIATES","description":"Lobbying","address_1":"1599 North Colonial Terrace","address_2":null,"address_3":null,"address_4":null,"city":"ARLINGTON","state":"VA","state_display":"Virginia","zip":"22209","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"JACK BURKMAN","contact_telephone":"+1 703-795-5364","dt_updated":"2026-07-17T17:28:23.932968-04:00"}},{"id":173676,"url":"https://lda.senate.gov/api/v1/clients/173676/?format=json","client_id":746,"name":"U.S. OIL AND GAS ASSOCIATION","general_description":"Trade association representing U.S. oil &amp; natural gas industry","client_government_entity":false,"client_self_select":false,"state":"DC","state_display":"District of Columbia","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":"2011-01-01","registrant":{"id":87814,"url":"https://lda.senate.gov/api/v1/registrants/87814/?format=json","house_registrant_id":36633,"name":"CT GROUP FKA CTF GLOBAL LLC","description":"consultant in government relations","address_1":"1401 New York Ave., NW Suite 925","address_2":"Suite 250","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20005","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"LAWRENCE C. GROSSMAN","contact_telephone":"+1 202-413-1215","dt_updated":"2026-02-12T06:21:06.902001-05:00"}},{"id":161980,"url":"https://lda.senate.gov/api/v1/clients/161980/?format=json","client_id":12,"name":"U S OIL & GAS ASSN","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2001-03-30","registrant":{"id":62370,"url":"https://lda.senate.gov/api/v1/registrants/62370/?format=json","house_registrant_id":null,"name":"CARGAS, JAMES P.","description":null,"address_1":"703 N WAKEFIELD ST","address_2":null,"address_3":null,"address_4":null,"city":"ARLINGTON","state":"VA","state_display":"Virginia","zip":"22203","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"","contact_telephone":"","dt_updated":"2022-01-13T14:53:22.912191-05:00"}},{"id":161975,"url":"https://lda.senate.gov/api/v1/clients/161975/?format=json","client_id":12,"name":"U S OIL & GAS ASSN","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2001-03-30","registrant":{"id":62392,"url":"https://lda.senate.gov/api/v1/registrants/62392/?format=json","house_registrant_id":null,"name":"PENA, EMIL","description":null,"address_1":"1111 CAROLINE STREET","address_2":null,"address_3":null,"address_4":null,"city":"HOUSTON","state":"TX","state_display":"Texas","zip":"77010","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"","contact_telephone":"","dt_updated":"2022-01-13T14:53:31.312368-05:00"}},{"id":127493,"url":"https://lda.senate.gov/api/v1/clients/127493/?format=json","client_id":327,"name":"US OIL & GAS ASSN","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"1999-06-15","registrant":{"id":20881,"url":"https://lda.senate.gov/api/v1/registrants/20881/?format=json","house_registrant_id":31496,"name":"JONES WALKER, LLP","description":"LAW FIRM","address_1":"1 M STREET SE","address_2":"Suite 600","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":"R. CHRISTIAN JOHNSEN","contact_telephone":"+1 202-203-1000","dt_updated":"2026-07-15T09:43:55.869544-04:00"}},{"id":132780,"url":"https://lda.senate.gov/api/v1/clients/132780/?format=json","client_id":12,"name":"US OIL & GAS ASSOCIATION","general_description":"HR6, HR2272, HR3094, HR2262, HR2653, HR351, HR4543, S391, S268, S1696","client_government_entity":false,"client_self_select":true,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2017-01-08","registrant":{"id":25215,"url":"https://lda.senate.gov/api/v1/registrants/25215/?format=json","house_registrant_id":31176,"name":"US OIL & GAS ASSOCIATION","description":"lobbying","address_1":"122 C Street NW","address_2":"Suite 515","address_3":null,"address_4":null,"city":"WASHINGTON","state":"DC","state_display":"District of Columbia","zip":"20001","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"TIMOTHY S STEWART","contact_telephone":"+1 202-638-4400","dt_updated":"2026-07-15T13:46:57.009560-04:00"}},{"id":156314,"url":"https://lda.senate.gov/api/v1/clients/156314/?format=json","client_id":327,"name":"US OIL & GAS ASSOCIATION","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2000-01-01","registrant":{"id":49635,"url":"https://lda.senate.gov/api/v1/registrants/49635/?format=json","house_registrant_id":34606,"name":"THE LIVINGSTON GROUP, LLC","description":"Government and Public Relations consultants","address_1":"425 3RD ST SW","address_2":"SUITE 1250","address_3":null,"address_4":null,"city":"WASHINGTON","state":"DC","state_display":"District of Columbia","zip":"20024","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"ROBERT L. LIVINGSTON","contact_telephone":"+1 202-289-9881","dt_updated":"2026-07-10T14:52:56.951258-04:00"}},{"id":134432,"url":"https://lda.senate.gov/api/v1/clients/134432/?format=json","client_id":1000711,"name":"US OIL & GAS ASSOCIATION","general_description":"Trade association representing oil and gas exploration production companies","client_government_entity":false,"client_self_select":false,"state":"DC","state_display":"District of Columbia","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":"2010-03-01","registrant":{"id":27775,"url":"https://lda.senate.gov/api/v1/registrants/27775/?format=json","house_registrant_id":31212,"name":"NATIONAL ENVIRONMENTAL STRATEGIES","description":"Advice and advocacy on environmental issues","address_1":"3116 Woodland Dr NW","address_2":null,"address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20008","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"MARC HIMMELSTEIN","contact_telephone":"+1 202-255-7528","dt_updated":"2025-09-22T09:35:20.504573-04:00"}},{"id":206548,"url":"https://lda.senate.gov/api/v1/clients/206548/?format=json","client_id":327,"name":"US OLYMPIANS AND PARALYMPIANS UNBROKEN","general_description":"Non-Profit focused on Olympic athlete safety","client_government_entity":false,"client_self_select":null,"state":"FL","state_display":"Florida","country":"US","country_display":"United States of America","ppb_state":"FL","ppb_state_display":"Florida","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2020-07-20","registrant":{"id":401103535,"url":"https://lda.senate.gov/api/v1/registrants/401103535/?format=json","house_registrant_id":null,"name":"ENVISION STRATEGY, LLC","description":"Government Affairs Firm","address_1":"1010 Vermont Avenue, NW","address_2":"Suite 510","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20005","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"STEVE SCHULTZ","contact_telephone":"+1 202-969-8850","dt_updated":"2026-02-02T17:23:07.856981-05:00"}},{"id":152380,"url":"https://lda.senate.gov/api/v1/clients/152380/?format=json","client_id":578,"name":"U S OLYMPIC COMM","general_description":null,"client_government_entity":null,"client_self_select":null,"state":null,"state_display":null,"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":"1996-01-01","registrant":{"id":41955,"url":"https://lda.senate.gov/api/v1/registrants/41955/?format=json","house_registrant_id":31211,"name":"LAW OFFICES OF BERNARD WUNDER (FKA WUNDER & LILLEY)","description":null,"address_1":"3810 Village Park Drive","address_2":null,"address_3":null,"address_4":null,"city":"Chevy Chase","state":"MD","state_display":"Maryland","zip":"20815","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"BERNARD J. WUNDER, JR.","contact_telephone":"+1 202-778-0886","dt_updated":"2023-07-05T12:25:15.169018-04:00"}},{"id":142426,"url":"https://lda.senate.gov/api/v1/clients/142426/?format=json","client_id":696,"name":"U S OLYMPIC COMMITTEE","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"CO","state_display":"Colorado","country":"US","country_display":"United States of America","ppb_state":"CO","ppb_state_display":"Colorado","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2007-02-12","registrant":{"id":34158,"url":"https://lda.senate.gov/api/v1/registrants/34158/?format=json","house_registrant_id":30124,"name":"FAEGRE BAKER DANIELS CONSULTING","description":"Consulting firm","address_1":"1050 K Street NW","address_2":"Suite 400","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20001","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"NICHOLAS MANETTO","contact_telephone":"+1 202-312-7473","dt_updated":"2022-04-06T16:08:31.313431-04:00"}},{"id":124171,"url":"https://lda.senate.gov/api/v1/clients/124171/?format=json","client_id":4353,"name":"U S OLYMPIC COMMITTEE","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"DC","state_display":"District of Columbia","country":"US","country_display":"United States of America","ppb_state":"DC","ppb_state_display":"District of Columbia","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2007-08-07","registrant":{"id":18422,"url":"https://lda.senate.gov/api/v1/registrants/18422/?format=json","house_registrant_id":30470,"name":"HOGAN LOVELLS CADWALADER US LLP (FKA HOGAN LOVELLS US LLP)","description":"Law Firm","address_1":"COLUMBIA SQUARE","address_2":"555 THIRTEENTH STREET NW","address_3":null,"address_4":null,"city":"WASHINGTON","state":"DC","state_display":"District of Columbia","zip":"20004","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"AARON CUTLER","contact_telephone":"+1 202-637-5648","dt_updated":"2026-07-22T14:09:32.055421-04:00"}},{"id":59376,"url":"https://lda.senate.gov/api/v1/clients/59376/?format=json","client_id":59376,"name":"U.S. OLYMPIC PARALYMPIC COMMITTEE","general_description":"National Olympic Committee","client_government_entity":null,"client_self_select":false,"state":"CO","state_display":"Colorado","country":"US","country_display":"United States of America","ppb_state":"CO","ppb_state_display":"Colorado","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2024-02-15","registrant":{"id":401104288,"url":"https://lda.senate.gov/api/v1/registrants/401104288/?format=json","house_registrant_id":null,"name":"BALLARD PARTNERS","description":"Government relations and advocacy services","address_1":"601 Thirteenth St, NW","address_2":"Suite 250 S","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20005","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"SARA NUVY","contact_telephone":"+1 202-800-5620","dt_updated":"2026-07-27T15:11:38.073413-04:00"}},{"id":139287,"url":"https://lda.senate.gov/api/v1/clients/139287/?format=json","client_id":378,"name":"U S ONCOLOGY","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"TX","state_display":"Texas","country":"US","country_display":"United States of America","ppb_state":"TX","ppb_state_display":"Texas","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"1950-12-30","registrant":{"id":31942,"url":"https://lda.senate.gov/api/v1/registrants/31942/?format=json","house_registrant_id":31255,"name":"POWELL GOLDSTEIN LLP","description":"Law firm","address_1":"901 NEW YORK AVENUE, NW","address_2":"THIRD FLOOR","address_3":null,"address_4":null,"city":"WASHINGTON","state":"DC","state_display":"District of Columbia","zip":"20001","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"CYNTHIA E. BERRY","contact_telephone":"+1 202-347-0066","dt_updated":"2022-04-06T16:07:57.128919-04:00"}},{"id":106378,"url":"https://lda.senate.gov/api/v1/clients/106378/?format=json","client_id":2878,"name":"U S ONCOLOGY","general_description":null,"client_government_entity":null,"client_self_select":null,"state":"TX","state_display":"Texas","country":"US","country_display":"United States of America","ppb_state":"TX","ppb_state_display":"Texas","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2007-02-14","registrant":{"id":5357,"url":"https://lda.senate.gov/api/v1/registrants/5357/?format=json","house_registrant_id":31564,"name":"BGR GOVERNMENT AFFAIRS","description":"Lobbying firm","address_1":"601 13th Street, NW","address_2":"11th Floor South","address_3":null,"address_4":null,"city":"Washington","state":"DC","state_display":"District of Columbia","zip":"20005","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"CHELSEA MINCHEFF","contact_telephone":"+1 202-661-6385","dt_updated":"2026-01-30T13:07:06.930629-05:00"}}]}