Client List
GET /api/v1/clients/?format=api&ordering=name&page=250
{ "count": 134036, "next": "https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=251", "previous": "https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=249", "results": [ { "id": 104120, "url": "https://lda.senate.gov/api/v1/clients/104120/?format=api", "client_id": 1611, "name": "AMERICAN ACADEMY OF ORTHOTISTS & PROSTHESTISTS", "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": "2001-01-15", "registrant": { "id": 4208, "url": "https://lda.senate.gov/api/v1/registrants/4208/?format=api", "house_registrant_id": 30861, "name": "ARENTFOX SCHIFF LLP", "description": "Law firm", "address_1": "1717 K Street, NW", "address_2": null, "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": "AUDREY HAZEL", "contact_telephone": "+1 202-350-3747", "dt_updated": "2026-01-30T15:25:12.951125-05:00" } }, { "id": 144705, "url": "https://lda.senate.gov/api/v1/clients/144705/?format=api", "client_id": 48, "name": "AMERICAN ACADEMY OF ORTHOTISTS & PROSTHETISTS", "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": "2007-02-13", "registrant": { "id": 36105, "url": "https://lda.senate.gov/api/v1/registrants/36105/?format=api", "house_registrant_id": 33854, "name": "DENTONS US LLP", "description": "Law Firm", "address_1": "1900 K St NW", "address_2": null, "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": "CHARLES R. NUCKOLLS", "contact_telephone": "+1 202-496-7176", "dt_updated": "2026-01-30T09:31:54.247615-05:00" } }, { "id": 125213, "url": "https://lda.senate.gov/api/v1/clients/125213/?format=api", "client_id": 1005698, "name": "AMERICAN ACADEMY OF OTOLARYNGIC ALLERGY", "general_description": "Medical society dealing with issues relating to allergic disorders", "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": "DC", "ppb_state_display": "District of Columbia", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2009-01-01", "registrant": { "id": 18466, "url": "https://lda.senate.gov/api/v1/registrants/18466/?format=api", "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": 130940, "url": "https://lda.senate.gov/api/v1/clients/130940/?format=api", "client_id": 571, "name": "AMERICAN ACADEMY OF OTOLARYNGIC ALLERGY", "general_description": null, "client_government_entity": false, "client_self_select": false, "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": "2007-10-23", "registrant": { "id": 23747, "url": "https://lda.senate.gov/api/v1/registrants/23747/?format=api", "house_registrant_id": 30371, "name": "MARC ASSOCIATES, INC.", "description": "Lobbyist", "address_1": "1101 17TH STREET, NW", "address_2": "SUITE 1102", "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": "RANDOLPH B. FENNINGER", "contact_telephone": "+1 202-419-2503", "dt_updated": "2022-04-06T16:07:49.051790-04:00" } }, { "id": 112720, "url": "https://lda.senate.gov/api/v1/clients/112720/?format=api", "client_id": 164, "name": "AMERICAN ACADEMY OF OTOLARYNGOLOGY", "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": "2007-07-30", "registrant": { "id": 8511, "url": "https://lda.senate.gov/api/v1/registrants/8511/?format=api", "house_registrant_id": 31321, "name": "CAVAROCCHI RUSCIO DENNIS ASSOCIATES, L.L.C.", "description": "Consultant firm", "address_1": "600 Maryland Avenue SW", "address_2": "Suite 220E", "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": "KATINA PIERCE", "contact_telephone": "+1 202-484-1100", "dt_updated": "2026-01-09T10:20:33.802241-05:00" } }, { "id": 102613, "url": "https://lda.senate.gov/api/v1/clients/102613/?format=api", "client_id": 12, "name": "AMERICAN ACADEMY OF OTOLARYNGOLOGY-HEAD AND NECK SURGERY", "general_description": null, "client_government_entity": false, "client_self_select": true, "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": "2007-08-06", "registrant": { "id": 1386, "url": "https://lda.senate.gov/api/v1/registrants/1386/?format=api", "house_registrant_id": 32181, "name": "AMERICAN ACADEMY OF OTOLARYNGOLOGY-HEAD AND NECK SURGERY", "description": null, "address_1": "1650 Diagonal Road", "address_2": null, "address_3": null, "address_4": null, "city": "ALEXANDRIA", "state": "VA", "state_display": "Virginia", "zip": "22314", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "RAHUL K. SHAH, MD, MBA", "contact_telephone": "+1 703-535-3721", "dt_updated": "2026-02-05T17:04:45.115485-05:00" } }, { "id": 184032, "url": "https://lda.senate.gov/api/v1/clients/184032/?format=api", "client_id": 51, "name": "AMERICAN ACADEMY OF OTOLARYNGOLOGY-HEAD AND NECK SURGERY", "general_description": "Ear, nose and throat physicians", "client_government_entity": false, "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": "2007-06-21", "registrant": { "id": 312873, "url": "https://lda.senate.gov/api/v1/registrants/312873/?format=api", "house_registrant_id": 38686, "name": "LINCOLN CAPITOL CONSULTING, LLC", "description": "Government Relations", "address_1": "4724 Forestdale Drive", "address_2": null, "address_3": null, "address_4": null, "city": "Fairfax", "state": "VA", "state_display": "Virginia", "zip": "22032", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "B. TIMOTHY LEETH", "contact_telephone": "+1 202-236-5354", "dt_updated": "2022-04-06T16:06:36.077981-04:00" } }, { "id": 197803, "url": "https://lda.senate.gov/api/v1/clients/197803/?format=api", "client_id": 24, "name": "AMERICAN ACADEMY OF OTOLARYNGOLOGY-HEAD AND NECK SURGERY", "general_description": "AAO-HNS is a member organization of more than 12,000 physicians.", "client_government_entity": false, "client_self_select": false, "state": "VA", "state_display": "Virginia", "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": "2013-05-01", "registrant": { "id": 401102074, "url": "https://lda.senate.gov/api/v1/registrants/401102074/?format=api", "house_registrant_id": null, "name": "UNION SQUARE STRATEGIC LLP", "description": "Lobbying and business development firm.", "address_1": "926 C Street N.E.", "address_2": null, "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": "MATTHEW ANTHES", "contact_telephone": "+1 703-930-7699", "dt_updated": "2022-04-06T16:07:38.378638-04:00" } }, { "id": 166758, "url": "https://lda.senate.gov/api/v1/clients/166758/?format=api", "client_id": 443, "name": "AMERICAN ACADEMY OF OTOLARYNOLOGY", "general_description": "Professional Association", "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": "VA", "ppb_state_display": "Virginia", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2010-12-01", "registrant": { "id": 73191, "url": "https://lda.senate.gov/api/v1/registrants/73191/?format=api", "house_registrant_id": 35936, "name": "LIBERTY SQUARE GROUP", "description": "strategic communications and government affairs consulting", "address_1": "90 Sherman Street", "address_2": null, "address_3": null, "address_4": null, "city": "Cambridge", "state": "MA", "state_display": "Massachusetts", "zip": "02140", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "ERIC CHAST", "contact_telephone": "+1 617-695-0369", "dt_updated": "2026-01-27T13:00:40.227226-05:00" } }, { "id": 207233, "url": "https://lda.senate.gov/api/v1/clients/207233/?format=api", "client_id": 1004517, "name": "AMERICAN ACADEMY OF PEDIATRIC DENTISTRY", "general_description": "Professional health care association", "client_government_entity": false, "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": "2021-04-20", "registrant": { "id": 32008, "url": "https://lda.senate.gov/api/v1/registrants/32008/?format=api", "house_registrant_id": 32107, "name": "POWERS PYLES SUTTER & VERVILLE, P.C.", "description": "Law Firm.", "address_1": "1250 Connecticut Ave NW", "address_2": "Eighth Floor", "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": "PETER THOMAS", "contact_telephone": "+1 202-466-6550", "dt_updated": "2026-01-20T10:53:38.477425-05:00" } }, { "id": 124206, "url": "https://lda.senate.gov/api/v1/clients/124206/?format=api", "client_id": 5076, "name": "AMERICAN ACADEMY OF PEDIATRIC DENTISTRY", "general_description": "Manufacturer of medical devices", "client_government_entity": false, "client_self_select": null, "state": "IL", "state_display": "Illinois", "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": "2007-07-31", "registrant": { "id": 18422, "url": "https://lda.senate.gov/api/v1/registrants/18422/?format=api", "house_registrant_id": 30470, "name": "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": "2026-01-21T15:33:00.526139-05:00" } }, { "id": 171513, "url": "https://lda.senate.gov/api/v1/clients/171513/?format=api", "client_id": 1001159, "name": "AMERICAN ACADEMY OF PEDIATRICS", "general_description": "Nonprofit medical society for pediatricians and related health professionals.", "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": "IL", "ppb_state_display": "Illinois", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-06-28", "registrant": { "id": 82090, "url": "https://lda.senate.gov/api/v1/registrants/82090/?format=api", "house_registrant_id": 36343, "name": "JANIS GUERNEY", "description": "Government relations consulting on child health issues.", "address_1": "304 E Street, NE", "address_2": null, "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": "JANIS GUERNEY", "contact_telephone": "+1 202-669-5233", "dt_updated": "2022-04-06T16:06:44.245233-04:00" } }, { "id": 67380, "url": "https://lda.senate.gov/api/v1/clients/67380/?format=api", "client_id": 67380, "name": "AMERICAN ACADEMY OF PEDIATRICS", "general_description": "Non-profit medical association dedicated to obtaining optimal health for all children.", "client_government_entity": null, "client_self_select": false, "state": "IL", "state_display": "Illinois", "country": "US", "country_display": "United States of America", "ppb_state": "IL", "ppb_state_display": "Illinois", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2025-05-29", "registrant": { "id": 401108563, "url": "https://lda.senate.gov/api/v1/registrants/401108563/?format=api", "house_registrant_id": 56529, "name": "HARO SOLUTIONS LLC", "description": null, "address_1": "2443 North Quantico Street", "address_2": null, "address_3": null, "address_4": null, "city": "Arlington", "state": "VA", "state_display": "Virginia", "zip": "22207", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "STEVE HARO", "contact_telephone": "+1 202-510-2150", "dt_updated": "2026-01-12T10:02:06.646331-05:00" } }, { "id": 60122, "url": "https://lda.senate.gov/api/v1/clients/60122/?format=api", "client_id": 60122, "name": "AMERICAN ACADEMY OF PEDIATRICS", "general_description": "Organization of Pediatricians", "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": 304736, "url": "https://lda.senate.gov/api/v1/registrants/304736/?format=api", "house_registrant_id": 38067, "name": "TARPLIN, DOWNS & YOUNG, LLC", "description": "Health care policy and regulatory and legislative consulting", "address_1": "1212 New York Avenue, NW", "address_2": "Suite 750", "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": "JENNIFER B. 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