Client List
GET /api/v1/clients/?format=api&ordering=name&page=193
{ "count": 137507, "next": "https://lda.gov/api/v1/clients/?format=api&ordering=name&page=194", "previous": "https://lda.gov/api/v1/clients/?format=api&ordering=name&page=192", "results": [ { "id": 160204, "url": "https://lda.gov/api/v1/clients/160204/?format=api", "client_id": 3716, "name": "ALLEN & CO", "general_description": null, "client_government_entity": null, "client_self_select": null, "state": "NY", "state_display": "New York", "country": "US", "country_display": "United States of America", "ppb_state": "NY", "ppb_state_display": "New York", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "1999-06-03", "registrant": { "id": 57475, "url": "https://lda.gov/api/v1/registrants/57475/?format=api", "house_registrant_id": 35185, "name": "ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG)", "description": "Professional services firm", "address_1": "1101 New York Avenue, NW", "address_2": null, "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": "ROBB CANNING", "contact_telephone": "+1 860-725-3895", "dt_updated": "2026-07-21T15:03:19.787154-04:00" } }, { "id": 66163, "url": "https://lda.gov/api/v1/clients/66163/?format=api", "client_id": 66163, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Defense", "client_government_entity": null, "client_self_select": true, "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": "2025-04-08", "registrant": { "id": 401109497, "url": "https://lda.gov/api/v1/registrants/401109497/?format=api", "house_registrant_id": 77006, "name": "ALLEN CONTROL SYSTEMS", "description": null, "address_1": "510 East Saint Elmo Road", "address_2": "Suite A2", "address_3": null, "address_4": null, "city": "Austin", "state": "TX", "state_display": "Texas", "zip": "78745", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "CLAY ARMENTROUT", "contact_telephone": "+1 251-599-4234", "dt_updated": "2026-09-24T15:32:55.010503-04:00" } }, { "id": 60820, "url": "https://lda.gov/api/v1/clients/60820/?format=api", "client_id": 60820, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Counter drone system for the Department of Defense", "client_government_entity": null, "client_self_select": false, "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": "2024-05-10", "registrant": { "id": 401108564, "url": "https://lda.gov/api/v1/registrants/401108564/?format=api", "house_registrant_id": 56530, "name": "THE ROX GROUP LLC", "description": null, "address_1": "6127 Roxbury Ave", "address_2": null, "address_3": null, "address_4": null, "city": "Springfield", "state": "VA", "state_display": "Virginia", "zip": "22152", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "DANIEL WAGNER", "contact_telephone": "+1 931-494-3211", "dt_updated": "2025-08-19T11:12:40.014754-04:00" } }, { "id": 63680, "url": "https://lda.gov/api/v1/clients/63680/?format=api", "client_id": 63680, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Develop autonomous counter UAS systems for national security and defense", "client_government_entity": null, "client_self_select": false, "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": "2024-12-01", "registrant": { "id": 8453, "url": "https://lda.gov/api/v1/registrants/8453/?format=api", "house_registrant_id": 30223, "name": "CASSIDY & ASSOCIATES, INC.", "description": "Government relations", "address_1": "607 14th Street NW", "address_2": "Suite 400", "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": "ALLISON HUGHES", "contact_telephone": "+1 202-585-2520", "dt_updated": "2026-07-30T13:57:38.595227-04:00" } }, { "id": 60267, "url": "https://lda.gov/api/v1/clients/60267/?format=api", "client_id": 60267, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Defense contractor", "client_government_entity": null, "client_self_select": false, "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": "2024-05-22", "registrant": { "id": 8316, "url": "https://lda.gov/api/v1/registrants/8316/?format=api", "house_registrant_id": 32029, "name": "CARMEN GROUP INCORPORATED", "description": "Lobbying and Consulting Firm", "address_1": "801 Pennsylvania Ave NW, Suite 730", "address_2": null, "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": "JHAMILETH DELGADO", "contact_telephone": "+1 202-666-9569", "dt_updated": "2026-07-28T15:24:16.541761-04:00" } }, { "id": 70230, "url": "https://lda.gov/api/v1/clients/70230/?format=api", "client_id": 70230, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Defense Technology", "client_government_entity": null, "client_self_select": false, "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": "2025-11-03", "registrant": { "id": 401106646, "url": "https://lda.gov/api/v1/registrants/401106646/?format=api", "house_registrant_id": 45622, "name": "CR FEDERAL", "description": null, "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": "ADAIR CUNNINGHAM", "contact_telephone": "+1 601-832-0599", "dt_updated": "2026-07-30T15:30:39.200640-04:00" } }, { "id": 65431, "url": "https://lda.gov/api/v1/clients/65431/?format=api", "client_id": 65431, "name": "ALLEN CONTROL SYSTEMS", "general_description": "Defense", "client_government_entity": null, "client_self_select": false, "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": "2025-03-05", "registrant": { "id": 401109343, "url": "https://lda.gov/api/v1/registrants/401109343/?format=api", "house_registrant_id": 66904, "name": "MCKINNON GROUP, LLC", "description": null, "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": "MARK MCKINNON", "contact_telephone": "+1 601-720-4336", "dt_updated": "2026-09-02T13:15:15.150469-04:00" } }, { "id": 106852, "url": "https://lda.gov/api/v1/clients/106852/?format=api", "client_id": 595, "name": "ALLEN COUNTY BOARD OF COMMISSIONERS", "general_description": null, "client_government_entity": null, "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": "2003-05-01", "registrant": { "id": 5404, "url": "https://lda.gov/api/v1/registrants/5404/?format=api", "house_registrant_id": 30212, "name": "BARNES & THORNBURG, LLP", "description": "Law firm.", "address_1": "555 12th Street N.W.", "address_2": "Suite 1200", "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": "MATTHEW MORGAN", "contact_telephone": "+1 317-231-7258", "dt_updated": "2026-07-30T14:39:39.521902-04:00" } }, { "id": 212413, "url": "https://lda.gov/api/v1/clients/212413/?format=api", "client_id": 241, "name": "ALLEN COUNTY SHERIFF'S OFFICE", "general_description": "Law Enforcement/Detention", "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": "2021-10-01", "registrant": { "id": 400849500, "url": "https://lda.gov/api/v1/registrants/400849500/?format=api", "house_registrant_id": null, "name": "THE SUMMERILL LAW FIRM", "description": "Law Firm", "address_1": "1250 Connecticut Avenue, N.W.", "address_2": "Suite 700", "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": "MICHELE SHARPE", "contact_telephone": "+1 202-261-6540", "dt_updated": "2023-07-29T15:25:16.672832-04:00" } }, { "id": 159423, "url": "https://lda.gov/api/v1/clients/159423/?format=api", "client_id": 238, "name": "ALLEN ECONOMIC DEVELOPMENT GROUP", "general_description": null, "client_government_entity": null, "client_self_select": null, "state": "OH", "state_display": "Ohio", "country": "US", "country_display": "United States of America", "ppb_state": "OH", "ppb_state_display": "Ohio", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2004-04-01", "registrant": { "id": 55256, "url": "https://lda.gov/api/v1/registrants/55256/?format=api", "house_registrant_id": 35122, "name": "THE GALLAGHER GROUP, LLC", "description": "Lobbying/Consulting", "address_1": "2503 HAYES STREET", "address_2": null, "address_3": null, "address_4": null, "city": "ALEXANDRIA", "state": "VA", "state_display": "Virginia", "zip": "22302", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "JAMES GALLAGHER", "contact_telephone": "+1 703-731-6348", "dt_updated": "2026-09-03T19:44:13.292702-04:00" } }, { "id": 176016, "url": "https://lda.gov/api/v1/clients/176016/?format=api", "client_id": 152, "name": "ALLEN HANSSENFELD", "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": "2007-08-14", "registrant": { "id": 285437, "url": "https://lda.gov/api/v1/registrants/285437/?format=api", "house_registrant_id": 36933, "name": "MERCURY PUBLIC AFFAIRS D/B/A FHGR", "description": null, "address_1": "137 Fifth Avenue, 3rd Floor", "address_2": null, "address_3": null, "address_4": null, "city": "New York", "state": "NY", "state_display": "New York", "zip": "10010", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MR. MIKE MCSHERRY", "contact_telephone": "+1 202-551-1440", "dt_updated": "2022-04-06T16:06:44.664771-04:00" } }, { "id": 164779, "url": "https://lda.gov/api/v1/clients/164779/?format=api", "client_id": 4074, "name": "ALLEN HASSENFELD", "general_description": null, "client_government_entity": null, "client_self_select": null, "state": "RI", "state_display": "Rhode Island", "country": "US", "country_display": "United States of America", "ppb_state": "RI", "ppb_state_display": "Rhode Island", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-08-13", "registrant": { "id": 70175, "url": "https://lda.gov/api/v1/registrants/70175/?format=api", "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": 54712, "url": "https://lda.gov/api/v1/clients/54712/?format=api", "client_id": 54712, "name": "ALLEN INSTITUTE", "general_description": "Research Organization-Nonprofit independent research institution", "client_government_entity": null, "client_self_select": false, "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": "2023-03-01", "registrant": { "id": 22781, "url": "https://lda.gov/api/v1/registrants/22781/?format=api", "house_registrant_id": 30442, "name": "LEWIS-BURKE ASSOCIATES, LLC", "description": "Lobbying and Consulting Firm", "address_1": "440 1st Street NW", "address_2": "Suite 700", "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": "REED SKAGGS", "contact_telephone": "+1 202-289-7475", "dt_updated": "2026-07-13T12:18:35.067037-04:00" } }, { "id": 181757, "url": "https://lda.gov/api/v1/clients/181757/?format=api", "client_id": 785, "name": "ALLEN INSTITUTE", "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": "2008-02-04", "registrant": { "id": 305932, "url": "https://lda.gov/api/v1/registrants/305932/?format=api", "house_registrant_id": 38088, "name": "THE PETRIZZO GROUP, INC.", "description": "Government Relations and Strategic Communications Firm", "address_1": "601 New Jersey Avenue NW", "address_2": "Suite 830", "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": "T.J. PETRIZZO", "contact_telephone": "+1 202-365-4583", "dt_updated": "2026-07-20T09:24:00.173382-04:00" } }, { "id": 204230, "url": "https://lda.gov/api/v1/clients/204230/?format=api", "client_id": 1003744, "name": "ALLEN MARINE TOURS", "general_description": "Shipbuilding and tour boat operations", "client_government_entity": false, "client_self_select": null, "state": "AK", "state_display": "Alaska", "country": "US", "country_display": "United States of America", "ppb_state": "AK", "ppb_state_display": "Alaska", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2020-03-16", "registrant": { "id": 18444, "url": "https://lda.gov/api/v1/registrants/18444/?format=api", "house_registrant_id": 30556, "name": "HOLLAND & HART LLP", "description": "Law firm", "address_1": "505 9th Street NW", "address_2": "Suite 700", "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": "DEANA C. LEWIS", "contact_telephone": "+1 202-393-6500", "dt_updated": "2026-07-21T16:24:20.510448-04:00" } }, { "id": 204778, "url": "https://lda.gov/api/v1/clients/204778/?format=api", "client_id": 1006854, "name": "ALLEN MATKINS LECK GAMBLE MALLORY & NATSIS LLP OBO MATTHEW & DALYA MEISEL", "general_description": "postal service leasing issues", "client_government_entity": false, "client_self_select": null, "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": "2020-04-03", "registrant": { "id": 292573, "url": "https://lda.gov/api/v1/registrants/292573/?format=api", "house_registrant_id": 37315, "name": "MCALLISTER & QUINN, LLC", "description": "​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": 59355, "url": "https://lda.gov/api/v1/clients/59355/?format=api", "client_id": 59355, "name": "ALLEN MEISLER", "general_description": "Chair of nonprofit board", "client_government_entity": null, "client_self_select": false, "state": "AL", "state_display": "Alabama", "country": "US", "country_display": "United States of America", "ppb_state": "AL", "ppb_state_display": "Alabama", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2024-04-01", "registrant": { "id": 401107683, "url": "https://lda.gov/api/v1/registrants/401107683/?format=api", "house_registrant_id": 56117, "name": "CAPITOL SOUTH, LLC", "description": null, "address_1": "116 North Carolina Ave. S.E. # 102", "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": "WILLIAM TY (MARTY) IRBY, JR.", "contact_telephone": "+1 202-821-5686", "dt_updated": "2026-07-29T13:46:27.483550-04:00" } }, { "id": 175818, "url": "https://lda.gov/api/v1/clients/175818/?format=api", "client_id": 3250, "name": "ALLEN MEMORIAL HOSPITAL", "general_description": null, "client_government_entity": false, "client_self_select": false, "state": "IA", "state_display": "Iowa", "country": "US", "country_display": "United States of America", "ppb_state": "IA", "ppb_state_display": "Iowa", "ppb_country": "US", "ppb_country_display": "United States of America", 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