Client List
GET /api/v1/clients/?format=api&ordering=name&page=231
{ "count": 137530, "next": "https://lda.gov/api/v1/clients/?format=api&ordering=name&page=232", "previous": "https://lda.gov/api/v1/clients/?format=api&ordering=name&page=230", "results": [ { "id": 189943, "url": "https://lda.gov/api/v1/clients/189943/?format=api", "client_id": 202, "name": "ALTAIR ENGINEERING", "general_description": "High Performance Computing of quality engineering software for innovation.", "client_government_entity": false, "client_self_select": null, "state": "MI", "state_display": "Michigan", "country": "US", "country_display": "United States of America", "ppb_state": "MI", "ppb_state_display": "Michigan", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2018-03-01", "registrant": { "id": 400388803, "url": "https://lda.gov/api/v1/registrants/400388803/?format=api", "house_registrant_id": null, "name": "JMH GROUP, FORMERLY JAMIAN MCELROY & HAMLIN, LLC", "description": "Interaction with Congressional Offices regarding communications platforms", "address_1": "7910 Woodmont Ave. Suite 1020", "address_2": null, "address_3": null, "address_4": null, "city": "Bethesda", "state": "MD", "state_display": "Maryland", "zip": "20814", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "CHARLES GREGORY YESSAIAN", "contact_telephone": "+1 248-939-0158", "dt_updated": "2026-07-21T10:14:17.572457-04:00" } }, { "id": 204863, "url": "https://lda.gov/api/v1/clients/204863/?format=api", "client_id": 1004734, "name": "ALTAIR ENGINEERING", "general_description": "software developer and implementer", "client_government_entity": false, "client_self_select": null, "state": "MI", "state_display": "Michigan", "country": "US", "country_display": "United States of America", "ppb_state": "MI", "ppb_state_display": "Michigan", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2020-02-18", "registrant": { "id": 311291, "url": "https://lda.gov/api/v1/registrants/311291/?format=api", "house_registrant_id": 38752, "name": "HARPLEY CS, LLC", "description": "government relations lobbyist", "address_1": "PO Box 333", "address_2": null, "address_3": null, "address_4": null, "city": "Sharon Center", "state": "OH", "state_display": "Ohio", "zip": "44274", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "DAVE HARPLEY", "contact_telephone": "+1 216-319-3608", "dt_updated": "2025-08-14T12:43:23.686153-04:00" } }, { "id": 138026, "url": "https://lda.gov/api/v1/clients/138026/?format=api", "client_id": 90, "name": "ALTAIR FILTER TECHNOLOGY INC", "general_description": null, "client_government_entity": null, "client_self_select": null, "state": "KY", "state_display": "Kentucky", "country": "US", "country_display": "United States of America", "ppb_state": "KY", "ppb_state_display": "Kentucky", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2001-06-01", "registrant": { "id": 31031, "url": "https://lda.gov/api/v1/registrants/31031/?format=api", "house_registrant_id": 34798, "name": "PEDUZZI ASSOCIATES, LTD.", "description": "Business Development and Government Relations", "address_1": "221 S. Alfred St.", "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": "ELENA TOSANA", "contact_telephone": "+1 703-389-7428", "dt_updated": "2024-04-21T15:00:25.551486-04:00" } }, { "id": 179758, "url": "https://lda.gov/api/v1/clients/179758/?format=api", "client_id": 63, "name": "ALTAIR LEARNING MANAGEMENT LLC", "general_description": "Education", "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": "2007-08-04", "registrant": { "id": 297454, "url": "https://lda.gov/api/v1/registrants/297454/?format=api", "house_registrant_id": 37576, "name": "GREY GOVERNMENT RELATIONS, INC.", "description": "Strategic Consulting", "address_1": "386 EASTMOOR BOULEVARD", "address_2": null, "address_3": null, "address_4": null, "city": "COLUMBUS", "state": "OH", "state_display": "Ohio", "zip": "43209", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:55:16.228342-05:00" } }, { "id": 118621, "url": "https://lda.gov/api/v1/clients/118621/?format=api", "client_id": 1178, "name": "ALTAIR NANOTECHNOLOGIES", "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": "2003-04-01", "registrant": { "id": 12915, "url": "https://lda.gov/api/v1/registrants/12915/?format=api", "house_registrant_id": 30553, "name": "DYKEMA GOSSETT PLLC", "description": "law firm", "address_1": "1301 K STREET, N.W., SUITE 1100 WEST", "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": "RENAE MOORE", "contact_telephone": "+1 517-374-9121", "dt_updated": "2026-07-29T10:19:26.456321-04:00" } }, { "id": 138536, "url": "https://lda.gov/api/v1/clients/138536/?format=api", "client_id": 1004121, "name": "ALTAIR NANOTECHNOLOGIES INC", "general_description": "Developer and Supplier of Ceramic NanoMaterials", "client_government_entity": false, "client_self_select": false, "state": null, "state_display": null, "country": "", "country_display": "* Undetermined", "ppb_state": null, "ppb_state_display": null, "ppb_country": "", "ppb_country_display": "* Undetermined", "effective_date": "2007-09-13", "registrant": { "id": 31680, "url": "https://lda.gov/api/v1/registrants/31680/?format=api", "house_registrant_id": 31110, "name": "PODESTA GROUP, INC.", "description": "Public policy, government relations and public affairs firm", "address_1": "1001 G Street, NW", "address_2": "Suite 1000 West", "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": "ANTHONY PODESTA", "contact_telephone": "+1 202-413-5027", "dt_updated": "2022-04-06T16:07:38.635383-04:00" } }, { "id": 145857, "url": "https://lda.gov/api/v1/clients/145857/?format=api", "client_id": 24, "name": "ALTAIR NANOTECHNOLOGIES INC", "general_description": "Advanced Industrial Materials R&D and Manufacture", "client_government_entity": null, "client_self_select": null, "state": "NV", "state_display": "Nevada", "country": "US", "country_display": "United States of America", "ppb_state": "NV", "ppb_state_display": "Nevada", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-11-06", "registrant": { "id": 36812, "url": "https://lda.gov/api/v1/registrants/36812/?format=api", "house_registrant_id": 38362, "name": "STIRLING STRATEGIC SERVICES, LLC", "description": "Federal lobbying on behalf of envirotechnology intensive small businesses and universities", "address_1": "3259 Nebo Road", "address_2": null, "address_3": null, "address_4": null, "city": "Boulder", "state": "CO", "state_display": "Colorado", "zip": "80302", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "RICHARD E BRADSHAW", "contact_telephone": "", "dt_updated": "2022-04-06T16:08:03.319840-04:00" } }, { "id": 130811, "url": "https://lda.gov/api/v1/clients/130811/?format=api", "client_id": 1003477, "name": "ALTAMED", "general_description": "Non-profit promoting the creation of a health information exchange", "client_government_entity": false, "client_self_select": false, "state": "CA", "state_display": "California", "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": "2010-01-01", "registrant": { "id": 23645, "url": "https://lda.gov/api/v1/registrants/23645/?format=api", "house_registrant_id": 30207, "name": "MANATT, PHELPS, AND PHILLIPS", "description": "Law firm", "address_1": "1700 M St NW", "address_2": null, "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": "JUNE DEHART", "contact_telephone": "+1 202-585-6500", "dt_updated": "2026-07-31T09:29:47.059086-04:00" } }, { "id": 112764, "url": "https://lda.gov/api/v1/clients/112764/?format=api", "client_id": 900, "name": "ALTAMED HEALTH SERVICES CORP", "general_description": "Health services", "client_government_entity": null, "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": "2007-07-30", "registrant": { "id": 8511, "url": "https://lda.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": "2026-07-07T12:11:18.019485-04:00" } }, { "id": 110907, "url": "https://lda.gov/api/v1/clients/110907/?format=api", "client_id": 12, "name": "ALTAMED HEALTH SERVICES CORP", "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": "1996-02-14", "registrant": { "id": 7771, "url": "https://lda.gov/api/v1/registrants/7771/?format=api", "house_registrant_id": 31005, "name": "CALIFORNIA PLANNERS & CONSULTANTS", "description": null, "address_1": "P. O. BOX 100", "address_2": null, "address_3": null, "address_4": null, "city": "OAKLAND", "state": "CA", "state_display": "California", "zip": null, "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:47:03.083318-05:00" } }, { "id": 67155, "url": "https://lda.gov/api/v1/clients/67155/?format=api", "client_id": 67155, "name": "ALTAMED HEALTH SERVICES CORPORATION", "general_description": "Healthcare network", "client_government_entity": null, "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": "2025-05-28", "registrant": { "id": 401104288, "url": "https://lda.gov/api/v1/registrants/401104288/?format=api", "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": "2026-10-22T11:27:44.246261-04:00" } }, { "id": 53151, "url": "https://lda.gov/api/v1/clients/53151/?format=api", "client_id": 53151, "name": "ALTAMED HEALTH SERVICES CORPORATION", "general_description": "Health care provider", "client_government_entity": null, "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": "2022-09-15", "registrant": { "id": 401106319, "url": "https://lda.gov/api/v1/registrants/401106319/?format=api", "house_registrant_id": null, "name": "ACTUM I, LLC", "description": "Public affairs and media consulting services and support", "address_1": "1900 Avenue of the Stars", "address_2": "Suite 300", "address_3": null, "address_4": null, "city": "Los Angeles", "state": "CA", "state_display": "California", "zip": "90067", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "LAUREN LIPIN", "contact_telephone": "+1 410-428-2000", "dt_updated": "2026-07-30T14:04:38.508808-04:00" } }, { "id": 205232, "url": "https://lda.gov/api/v1/clients/205232/?format=api", "client_id": 226, "name": "ALTAMED HEALTH SERVICES CORPORATION", "general_description": "Health care provider.", "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": "2020-03-16", "registrant": { "id": 401103367, "url": "https://lda.gov/api/v1/registrants/401103367/?format=api", "house_registrant_id": null, "name": "LEAVITT PARTNERS, LLC", "description": "Consulting.", "address_1": "601 New Jersey Ave NW", "address_2": "Suite 350", "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": "MARK ROBERTS", "contact_telephone": "+1 202-774-1404", "dt_updated": "2026-07-07T10:50:17.833084-04:00" } }, { "id": 206154, "url": "https://lda.gov/api/v1/clients/206154/?format=api", "client_id": 1007526, "name": "ALTAMED HEALTH SERVICES CORPORATION", "general_description": "healthcare and Social Assistance", "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": "2020-04-15", "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": 135546, "url": "https://lda.gov/api/v1/clients/135546/?format=api", "client_id": 24, "name": "ALTANA INCORPORATED", "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": "1996-02-14", "registrant": { "id": 30212, "url": "https://lda.gov/api/v1/registrants/30212/?format=api", "house_registrant_id": 30804, "name": "OLSSON, FRANK, WEEDA, TERMAN & MATZ, PC", "description": "Law Firm, Government Relations", "address_1": "2000 Pennsylvania Avenue NW", "address_2": "Suite 4003", "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": "ROGER SZEMRAJ", "contact_telephone": "+1 202-412-7311", "dt_updated": "2026-07-01T08:36:02.651295-04:00" } }, { "id": 65449, "url": "https://lda.gov/api/v1/clients/65449/?format=api", "client_id": 65449, "name": "ALTANA TECHNOLOGIES", "general_description": "Applied AI Technology Company", "client_government_entity": null, "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": "2025-03-03", "registrant": { "id": 401109119, "url": "https://lda.gov/api/v1/registrants/401109119/?format=api", "house_registrant_id": 56792, "name": "ALTANA TECHNOLOGIES", "description": null, "address_1": "801 18th Street NW", "address_2": "Suite 400", "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": "JUSTIN WEIN", "contact_telephone": "+1 516-375-7260", "dt_updated": "2026-09-24T11:10:38.364892-04:00" } }, { "id": 57251, "url": "https://lda.gov/api/v1/clients/57251/?format=api", "client_id": 57251, "name": "ALTANA TECHNOLOGIES", "general_description": "Software developer providing shared AI model to support supply chain risk management.", "client_government_entity": null, "client_self_select": false, "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": "2023-09-01", "registrant": { "id": 20744, "url": "https://lda.gov/api/v1/registrants/20744/?format=api", "house_registrant_id": 31587, "name": "TIBER CREEK GROUP", "description": "Government Relations.", "address_1": "750 9th Street NW", "address_2": "Suite 501", "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": "GRACE BAUM", "contact_telephone": "+1 202-381-6896", "dt_updated": "2026-07-20T13:07:00.819992-04:00" } }, { "id": 72070, "url": "https://lda.gov/api/v1/clients/72070/?format=api", "client_id": 72070, "name": "ALTANA TECHNOLOGIES, INC.", "general_description": "A technology company that connects logistics providers with government agencies", "client_government_entity": null, "client_self_select": false, "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": "2026-03-01", "registrant": { "id": 401104313, "url": "https://lda.gov/api/v1/registrants/401104313/?format=api", "house_registrant_id": null, "name": "MILLER STRATEGIES, LLC", "description": "strategic public affairs", "address_1": "P.O. 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"https://lda.gov/api/v1/registrants/58250/?format=api", "house_registrant_id": 35267, "name": "RYBERG AND SMITH, L.L.C.", "description": "Law fiem", "address_1": "1701 Pennsylvania Avenue, NW", "address_2": "Suite 200", "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": "PAUL RYBERG", "contact_telephone": "+1 202-531-4028", "dt_updated": "2026-07-04T11:02:39.087759-04:00" } }, { "id": 71649, "url": "https://lda.gov/api/v1/clients/71649/?format=api", "client_id": 71649, "name": "ALTA RESOURCE TECHNOLOGIES, INC.", "general_description": "Critical minerals processing", "client_government_entity": null, "client_self_select": false, "state": "CO", "state_display": "Colorado", "country": "US", "country_display": "United States of America", "ppb_state": "CO", 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