Client List
GET /api/v1/clients/?format=api&ordering=name&page=78
https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=79", "previous": "https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=77", "results": [ { "id": 133106, "url": "https://lda.senate.gov/api/v1/clients/133106/?format=api", "client_id": 1561, "name": "ADVANCED NAVIGATION AND POSITIONING CORPORATION", "general_description": "Aerospace", "client_government_entity": null, "client_self_select": null, "state": "OR", "state_display": "Oregon", "country": "US", "country_display": "United States of America", "ppb_state": "OR", "ppb_state_display": "Oregon", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-08-28", "registrant": { "id": 25328, "url": "https://lda.senate.gov/api/v1/registrants/25328/?format=api", "house_registrant_id": 30761, "name": "DENNY MILLER ASSOCIATES", "description": "Lobbying, consulting and government relations", "address_1": "400 N Capitol St, Ste 363", "address_2": null, "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": "MELISSA BROWN", "contact_telephone": "+1 202-783-0280", "dt_updated": "2022-04-06T16:06:34.952708-04:00" } }, { "id": 168237, "url": "https://lda.senate.gov/api/v1/clients/168237/?format=api", "client_id": 1007895, "name": "ADVANCED NAVIGATION AND POSITIONING CORPORATION", "general_description": "Landing Systems, Navigation Services and Air Traffic Management Solutions", "client_government_entity": false, "client_self_select": null, "state": "OR", "state_display": "Oregon", "country": "US", "country_display": "United States of America", "ppb_state": "OR", "ppb_state_display": "Oregon", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2019-11-15", "registrant": { "id": 75557, "url": "https://lda.senate.gov/api/v1/registrants/75557/?format=api", "house_registrant_id": 36051, "name": "CORNERSTONE GOVERNMENT AFFAIRS, INC.", "description": "Government relations and consulting.", "address_1": "800 Maine Ave. SW Floor 7", "address_2": null, "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": "STACEY SCHOLL", "contact_telephone": "+1 202-370-1015", "dt_updated": "2025-07-24T17:48:54.531205-04:00" } }, { "id": 145206, "url": "https://lda.senate.gov/api/v1/clients/145206/?format=api", "client_id": 36, "name": "ADVANCED NAVIGATION & POSITIONING 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": 36300, "url": "https://lda.senate.gov/api/v1/registrants/36300/?format=api", "house_registrant_id": 32415, "name": "THE SPECTRUM GROUP", "description": "Consulting firm", "address_1": "99 Canal Center Plaza", "address_2": "Suite 450", "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": "NICHOLAS DAVIDSON", "contact_telephone": "+1 703-683-4222", "dt_updated": "2025-03-10T16:17:01.836267-04:00" } }, { "id": 177562, "url": "https://lda.senate.gov/api/v1/clients/177562/?format=api", "client_id": 12, "name": "ADVANCED NAVIGATION & POSITIONING CORP", "general_description": null, "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": "2004-08-06", "registrant": { "id": 289911, "url": "https://lda.senate.gov/api/v1/registrants/289911/?format=api", "house_registrant_id": 37155, "name": "ADVANCED NAVIGATION & POSITIONING CORP", "description": null, "address_1": "1800 Belmont Road NW #2", "address_2": null, "address_3": null, "address_4": null, "city": "Washington", "state": "DC", "state_display": "District of Columbia", "zip": "20007", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MR. JOHN WALKER", "contact_telephone": "", "dt_updated": "2022-04-06T16:07:49.490179-04:00" } }, { "id": 107626, "url": "https://lda.senate.gov/api/v1/clients/107626/?format=api", "client_id": 990, "name": "ADVANCED NAVIGATION & POSITIONING CORP", "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": "2001-11-07", "registrant": { "id": 6006, "url": "https://lda.senate.gov/api/v1/registrants/6006/?format=api", "house_registrant_id": 31317, "name": "BERGNER BOCKORNY CASTAGNETTI HAWKINS & BRAIN", "description": null, "address_1": "1101 16TH ST NW #500", "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": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:47:18.656145-05:00" } }, { "id": 159418, "url": "https://lda.senate.gov/api/v1/clients/159418/?format=api", "client_id": 152, "name": "ADVANCED NAVIGATION & POSITIONING CORP", "general_description": null, "client_government_entity": null, "client_self_select": null, "state": "OR", "state_display": "Oregon", "country": "US", "country_display": "United States of America", "ppb_state": "OR", "ppb_state_display": "Oregon", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-02-12", "registrant": { "id": 55256, "url": "https://lda.senate.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": "2025-02-17T11:54:21.013491-05:00" } }, { "id": 138025, "url": "https://lda.senate.gov/api/v1/clients/138025/?format=api", "client_id": 113, "name": "ADVANCED NAVIGATION POSITIONING 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": "2001-06-01", "registrant": { "id": 31031, "url": "https://lda.senate.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": 170070, "url": "https://lda.senate.gov/api/v1/clients/170070/?format=api", "client_id": 1004075, "name": "ADVANCED NAVIGATION & POSITIONING CORPORATION", "general_description": "Aerospace, Aviation, Defense", "client_government_entity": false, "client_self_select": false, "state": "OR", "state_display": "Oregon", "country": "US", "country_display": "United States of America", "ppb_state": "OR", "ppb_state_display": "Oregon", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2008-06-01", "registrant": { "id": 77754, "url": "https://lda.senate.gov/api/v1/registrants/77754/?format=api", "house_registrant_id": 35535, "name": "OLDAKER & WILLISON, LLP", "description": "Government affairs and law firm", "address_1": "818 Connecticut Avenue", "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": "JEFFREY GOFF", "contact_telephone": "+1 202-728-1010", "dt_updated": "2025-07-21T18:49:22.936545-04:00" } }, { "id": 189594, "url": "https://lda.senate.gov/api/v1/clients/189594/?format=api", "client_id": 51, "name": "ADVANCED NAVIGATION & POSITIONING CORPORATION", "general_description": "Aerospace, Aviation, Defense", "client_government_entity": false, "client_self_select": false, "state": "OR", "state_display": "Oregon", "country": "US", "country_display": "United States of America", "ppb_state": "OR", "ppb_state_display": "Oregon", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2008-10-01", "registrant": { "id": 400359671, "url": "https://lda.senate.gov/api/v1/registrants/400359671/?format=api", "house_registrant_id": 400359671, "name": "SENECA GLOBAL ADVISORS, LLC", "description": "Consulting", "address_1": "1010 Wisconsin Ave, NW", "address_2": "Suite 705", "address_3": null, "address_4": null, "city": "Washington", "state": "DC", "state_display": "District of Columbia", "zip": "20007", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MICHAEL MULDOON", "contact_telephone": "+1 202-333-1880", "dt_updated": "2022-04-06T16:07:03.452216-04:00" } }, { "id": 132643, "url": "https://lda.senate.gov/api/v1/clients/132643/?format=api", "client_id": 12, "name": "ADVANCED NUCLEAR & MEDICAL SYSTEMS", "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": 25077, "url": "https://lda.senate.gov/api/v1/registrants/25077/?format=api", "house_registrant_id": 31683, "name": "MEYERS AND ASSOCIATES", "description": "Lobbying Firm", "address_1": "412 1st Street, SE", "address_2": "Suite 1", "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": "LARRY MEYERS", "contact_telephone": "+1 202-255-4365", "dt_updated": "2025-07-21T16:45:57.517000-04:00" } }, { "id": 161912, "url": "https://lda.senate.gov/api/v1/clients/161912/?format=api", "client_id": 381, "name": "ADVANCED OPTICAL SYSTEMS", "general_description": "Defense", "client_government_entity": null, "client_self_select": null, "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": "2005-02-11", "registrant": { "id": 61892, "url": "https://lda.senate.gov/api/v1/registrants/61892/?format=api", "house_registrant_id": 61892, "name": "JENKINS HILL GROUP LLC (FORMERLY WALTER/EDWARDS GROUP)", "description": "1/1/07", "address_1": "215 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": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:53:23.805151-05:00" } }, { "id": 52074, "url": "https://lda.senate.gov/api/v1/clients/52074/?format=api", "client_id": 52074, "name": "ADVANCED OXYGEN THERAPY INC. (AOTI)", "general_description": "Provider of wound healing solutions", "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": "2022-06-15", "registrant": { "id": 1182, "url": "https://lda.senate.gov/api/v1/registrants/1182/?format=api", "house_registrant_id": 31748, "name": "ALSTON & BIRD LLP", "description": "Law Firm", "address_1": "THE ATLANTIC BUILDING", "address_2": "950 F 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": "ADAM J. BIEGEL", "contact_telephone": "+1 202-239-3692", "dt_updated": "2025-07-30T13:11:59.504297-04:00" } }, { "id": 186690, "url": "https://lda.senate.gov/api/v1/clients/186690/?format=api", "client_id": 1005092, "name": "ADVANCED PARTICLE THERAPY LLC (APT)", "general_description": "Issues related to proton therapy", "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": "2012-11-14", "registrant": { "id": 320918, "url": "https://lda.senate.gov/api/v1/registrants/320918/?format=api", "house_registrant_id": 39554, "name": "KOUNTOUPES DENHAM CARR & REID, LLC", "description": "Federal lobbying and consulting services", "address_1": "607 - 14th Street 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": "PAULA M. SHORT", "contact_telephone": "+1 202-803-4585", "dt_updated": "2025-07-09T16:48:52.019059-04:00" } }, { "id": 160396, "url": "https://lda.senate.gov/api/v1/clients/160396/?format=api", "client_id": 137, "name": "ADVANCED PAYMENT SYSTEM LLC", "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": "2007-07-31", "registrant": { "id": 57817, "url": "https://lda.senate.gov/api/v1/registrants/57817/?format=api", "house_registrant_id": 35254, "name": "HACKNEY GOVERNMENT AFFAIRS GROUP (FORMERLY CLINT HACKNEY & COMPANY)", "description": "Funding for research and development projects.", "address_1": "601 Pennsylvania Avenue NW", "address_2": "South Bldg. Suite 900", "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": "CLINT HACKNEY", "contact_telephone": "+1 512-751-3636", "dt_updated": "2023-05-30T12:25:12.557715-04:00" } }, { "id": 192854, "url": "https://lda.senate.gov/api/v1/clients/192854/?format=api", "client_id": 24, "name": "ADVANCED PHOTONIC CRYSTALS", "general_description": "Crystal growing for laser applications", "client_government_entity": false, "client_self_select": false, "state": "SC", "state_display": "South Carolina", "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": "2010-05-04", "registrant": { "id": 400559674, "url": "https://lda.senate.gov/api/v1/registrants/400559674/?format=api", "house_registrant_id": 400559674, "name": "NORTH 17 CONSULTING", "description": "Assist small technology companies in engaging with the Federal government", "address_1": "6268 Rudder Lane", "address_2": null, "address_3": null, "address_4": null, "city": "Awendaw", "state": "SC", "state_display": "South Carolina", "zip": "29429", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "RICK RENTZ", "contact_telephone": "+1 843-991-2324", "dt_updated": "2022-04-06T16:08:04.031708-04:00" } }, { "id": 54694, "url": "https://lda.senate.gov/api/v1/clients/54694/?format=api", "client_id": 54694, "name": "ADVANCED PHOTONIC SCIENCES", "general_description": "lasers", "client_government_entity": null, "client_self_select": false, "state": "PA", "state_display": "Pennsylvania", "country": "US", "country_display": "United States of America", "ppb_state": "PA", "ppb_state_display": "Pennsylvania", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2023-03-13", "registrant": { "id": 400374717, "url": "https://lda.senate.gov/api/v1/registrants/400374717/?format=api", "house_registrant_id": 400374717, "name": "THE CONSILIO GROUP", "description": "Government affairs", "address_1": "20th F Street NW", "address_2": "Floor 7", "address_3": null, "address_4": null, "city": "Washington, D.C", "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": "OLIVER MEISSNER", "contact_telephone": "+1 202-510-4897", "dt_updated": "2025-07-23T13:55:40.981344-04:00" } }, { "id": 167846, "url": "https://lda.senate.gov/api/v1/clients/167846/?format=api", "client_id": 900, "name": "ADVANCED POWER SYSTEMS INTL", "general_description": "Fuel catalyst manufacturer", "client_government_entity": null, "client_self_select": null, "state": "CT", "state_display": "Connecticut", "country": "US", "country_display": "United States of America", "ppb_state": "CT", "ppb_state_display": "Connecticut", "ppb_country": "US", "ppb_country_display": "United States of America", "effective_date": "2007-02-07", "registrant": { "id": 75557, "url": "https://lda.senate.gov/api/v1/registrants/75557/?format=api", "house_registrant_id": 36051, "name": "CORNERSTONE GOVERNMENT AFFAIRS, INC.", "description": "Government relations and consulting.", "address_1": "800 Maine Ave. SW Floor 7", "address_2": null, "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": "STACEY SCHOLL", "contact_telephone": "+1 202-370-1015", "dt_updated": "2025-07-24T17:48:54.531205-04:00" } }, { "id": 147817, "url": "https://lda.senate.gov/api/v1/clients/147817/?format=api", "client_id": 2970, "name": "ADVANCED POWER SYSTEMS INTL INC", "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": "2001-07-15", "registrant": { "id": 39837, "url": "https://lda.senate.gov/api/v1/registrants/39837/?format=api", "house_registrant_id": 32802, "name": "VAN SCOYOC ASSOCIATES", "description": "Government Relations Consultant", "address_1": "800 Maine Avenue, SW", "address_2": "Suite 800", "address_3": null, "address_4": null, "city": "Washington", "state": "DC", "state_display": "District of Columbia", "zip": "20024", "country": "US", "country_display": "United States 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