HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17191,
"next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=-name&page=655",
"previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=-name&page=653",
"results": [
{
"id": 2651,
"url": "https://lda.senate.gov/api/v1/registrants/2651/?format=api",
"house_registrant_id": 31088,
"name": "AMERICAN INST OF CHEMICAL ENGINEERS",
"description": null,
"address_1": "3 PARK AVE",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "NEW YORK",
"state": "NY",
"state_display": "New York",
"zip": "10016",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:46:07.768086-05:00"
},
{
"id": 58853,
"url": "https://lda.senate.gov/api/v1/registrants/58853/?format=api",
"house_registrant_id": 35294,
"name": "AMERICAN INSTITUTE OF PHYSICS",
"description": "scientific non-profit organization",
"address_1": "ONE PHYSICS ELLIPSE",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "COLLEGE PARK",
"state": "MD",
"state_display": "Maryland",
"zip": "20740",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "LIZ DART CARON",
"contact_telephone": "+1 301-209-3034",
"dt_updated": "2025-11-06T18:50:39.188158-05:00"
},
{
"id": 2640,
"url": "https://lda.senate.gov/api/v1/registrants/2640/?format=api",
"house_registrant_id": 30772,
"name": "AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS",
"description": null,
"address_1": "1455 PENNSYLVANIA AVENUE NW",
"address_2": "10th Floor",
"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": "MARK PETERSON",
"contact_telephone": "+1 202-434-9206",
"dt_updated": "2022-04-06T16:06:39.611494-04:00"
},
{
"id": 308571,
"url": "https://lda.senate.gov/api/v1/registrants/308571/?format=api",
"house_registrant_id": 38397,
"name": "AMERICAN INSTITUTE FOR INTERNATIONAL STEEL",
"description": null,
"address_1": "8400 Westpark Drive",
"address_2": "second floor",
"address_3": null,
"address_4": null,
"city": "McLean",
"state": "VA",
"state_display": "Virginia",
"zip": "22102",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:55:52.504187-05:00"
},
{
"id": 401103785,
"url": "https://lda.senate.gov/api/v1/registrants/401103785/?format=api",
"house_registrant_id": null,
"name": "AMERICAN INSTITUTE FOR APPLIED GOVERNMENT",
"description": "Social Security",
"address_1": "1747 Pennsylvania Ave., NW",
"address_2": "Suite 1000",
"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": "DANIEL PERRIN",
"contact_telephone": "+1 202-785-9500",
"dt_updated": "2025-01-31T11:18:10.412187-05:00"
},
{
"id": 2616,
"url": "https://lda.senate.gov/api/v1/registrants/2616/?format=api",
"house_registrant_id": 32197,
"name": "AMERICAN INDUSTRIAL HYGIENE ASSOCIATION",
"description": null,
"address_1": "3120 FAIRVIEW PARK DRIVE",
"address_2": "Suite 360",
"address_3": null,
"address_4": null,
"city": "FALLS CHURCH",
"state": "VA",
"state_display": "Virginia",
"zip": "22042",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MARK RICHARD AMES",
"contact_telephone": "+1 703-846-0730",
"dt_updated": "2025-01-06T10:50:03.223526-05:00"
},
{
"id": 400825451,
"url": "https://lda.senate.gov/api/v1/registrants/400825451/?format=api",
"house_registrant_id": 41832,
"name": "AMERICAN INDIANS TRIBE",
"description": "TRIBAL GOVERNMENT",
"address_1": "2817 EAST OAKLAND PARK BLVD",
"address_2": "SUITE 100",
"address_3": null,
"address_4": null,
"city": "FORT LAUDERDALE",
"state": "FL",
"state_display": "Florida",
"zip": "33306",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ECONOMIST JOSUE LAROSE",
"contact_telephone": "+1 305-240-8528",
"dt_updated": "2022-04-06T16:07:41.933992-04:00"
},
{
"id": 40012091,
"url": "https://lda.senate.gov/api/v1/registrants/40012091/?format=api",
"house_registrant_id": 39765,
"name": "AMERICAN INDIAN HIGHER EDUCATION CONSORTIUM",
"description": "American Indian Higher Education Consortium - Tribal Colleges and Universities",
"address_1": "121 Oronoco Street",
"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": "AHNIWAKE ROSE",
"contact_telephone": "+1 918-804-9361",
"dt_updated": "2026-02-09T06:30:02.903662-05:00"
},
{
"id": 2605,
"url": "https://lda.senate.gov/api/v1/registrants/2605/?format=api",
"house_registrant_id": 31090,
"name": "AMERICAN IMMIGRATION LAWYERS ASSOCIATION",
"description": "Association",
"address_1": "1331 G Street, NW",
"address_2": "Suite 300",
"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": "GREGORY CHEN",
"contact_telephone": "+1 202-507-7615",
"dt_updated": "2023-06-06T15:25:13.216477-04:00"
},
{
"id": 401104663,
"url": "https://lda.senate.gov/api/v1/registrants/401104663/?format=api",
"house_registrant_id": null,
"name": "AMERICAN HUMANIST ASSOCIATION",
"description": "the promotion of humanism and the protection of humanists' rights",
"address_1": "1821 Jefferson Place, 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": "NICOLE CARR",
"contact_telephone": "+1 202-238-9088",
"dt_updated": "2026-01-14T10:05:32.405191-05:00"
},
{
"id": 2593,
"url": "https://lda.senate.gov/api/v1/registrants/2593/?format=api",
"house_registrant_id": 32628,
"name": "AMERICAN HUMANE ASSOCIATION",
"description": null,
"address_1": "1400 16th Street NW",
"address_2": "Suite 360",
"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": "KRISTEN HILDERBRAND",
"contact_telephone": "+1 202-677-4213",
"dt_updated": "2022-04-06T16:04:34.074399-04:00"
},
{
"id": 79290,
"url": "https://lda.senate.gov/api/v1/registrants/79290/?format=api",
"house_registrant_id": 31610,
"name": "AMERICAN HOTEL & LODGING ASSOCIATION",
"description": "American Hotel & Lodging Association",
"address_1": "1201 NEW YORK AVENUE, NW, #600",
"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": "MATT CARRIER",
"contact_telephone": "+1 703-507-2642",
"dt_updated": "2026-01-28T15:03:41.569742-05:00"
},
{
"id": 2571,
"url": "https://lda.senate.gov/api/v1/registrants/2571/?format=api",
"house_registrant_id": 30635,
"name": "AMERICAN HOSPITAL ASSOCIATION",
"description": null,
"address_1": "800 10th Street NW",
"address_2": "Two City Center, 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": "CRYSTAL CHILDS",
"contact_telephone": "",
"dt_updated": "2026-01-29T14:50:13.448934-05:00"
},
{
"id": 1661,
"url": "https://lda.senate.gov/api/v1/registrants/1661/?format=api",
"house_registrant_id": 30332,
"name": "AMERICAN HORTICULTURE INDUSTRY ASSOCIATION",
"description": "Represents and advocates for all facets of horticulture industry",
"address_1": "80 M ST SE, SUITE 100",
"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": "KAREN LIMBERT",
"contact_telephone": "+1 614-487-1117",
"dt_updated": "2026-01-28T22:14:45.973603-05:00"
},
{
"id": 401108372,
"url": "https://lda.senate.gov/api/v1/registrants/401108372/?format=api",
"house_registrant_id": null,
"name": "AMERICANHORT",
"description": null,
"address_1": "2130 Stella Court",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Columbus",
"state": "OH",
"state_display": "Ohio",
"zip": "43215",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "RACHEL PICK",
"contact_telephone": "+1 202-789-8112",
"dt_updated": "2024-04-10T15:22:09.447223-04:00"
},
{
"id": 2560,
"url": "https://lda.senate.gov/api/v1/registrants/2560/?format=api",
"house_registrant_id": 33923,
"name": "AMERICAN HORSE COUNCIL",
"description": null,
"address_1": "1775 Tysons Blvd.",
"address_2": "Suite 6110",
"address_3": null,
"address_4": null,
"city": "McClean",
"state": "VA",
"state_display": "Virginia",
"zip": "22102",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JULIE BROADWAY",
"contact_telephone": "+1 202-296-4031",
"dt_updated": "2023-09-10T14:25:19.954696-04:00"
},
{
"id": 18546,
"url": "https://lda.senate.gov/api/v1/registrants/18546/?format=api",
"house_registrant_id": 30558,
"name": "AMERICAN HONDA MOTOR CO., INC.",
"description": "Environment & Energy Strategy for American Honda's Product Regulatory",
"address_1": "1001 G Street NW",
"address_2": "#950",
"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": "CRISTINA KRASOW",
"contact_telephone": "+1 202-661-4400",
"dt_updated": "2026-02-25T13:30:59.204252-05:00"
},
{
"id": 297055,
"url": "https://lda.senate.gov/api/v1/registrants/297055/?format=api",
"house_registrant_id": 37514,
"name": "AMERICAN HOMEOWNERS GRASSROOTS ALLIANCE",
"description": "Consumer advocacy organization lobbying on issues economically impacting homeowners.",
"address_1": "6776 LITTLE FALLS ROAD",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ARLINGTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22213",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MR. BRUCE HAHN",
"contact_telephone": "+1 571-214-1013",
"dt_updated": "2022-04-06T16:06:18.901780-04:00"
},
{
"id": 2423,
"url": "https://lda.senate.gov/api/v1/registrants/2423/?format=api",
"house_registrant_id": 31658,
"name": "AMERICAN HOME FURNISHINGS ALLIANCE",
"description": null,
"address_1": "1250 Connecticut Avenue, NW",
"address_2": "Suite 200",
"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": "MR. RUSSELL B. BATSON",
"contact_telephone": "",
"dt_updated": "2022-04-06T16:06:39.497394-04:00"
},
{
"id": 65692,
"url": "https://lda.senate.gov/api/v1/registrants/65692/?format=api",
"house_registrant_id": 35522,
"name": "AMERICAN HOME CARE ASSN",
"description": null,
"address_1": "1320 FENWICK LANE, SUITE 100",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "SILVER SPRING",
"state": "MD",
"state_display": "Maryland",
"zip": "20910",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:53:39.932346-05:00"
},
{
"id": 2547,
"url": "https://lda.senate.gov/api/v1/registrants/2547/?format=api",
"house_registrant_id": 32196,
"name": "AMERICAN HIGHWAY USERS ALLIANCE",
"description": null,
"address_1": "1920 L Street NW",
"address_2": "Suite 525",
"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": "ANDREW STASIOWSKI",
"contact_telephone": "+1 202-857-1200",
"dt_updated": "2026-02-25T13:20:58.591187-05:00"
},
{
"id": 2536,
"url": "https://lda.senate.gov/api/v1/registrants/2536/?format=api",
"house_registrant_id": 32195,
"name": "AMERICAN HELLENIC INSTITUTE, FORMERLY KNOWN AS AMERICAN HELLENIC INSTITUTE P.A.C",
"description": null,
"address_1": "1220 16TH STREET, 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": "WILLIAM MARTIN",
"contact_telephone": "+1 501-231-7811",
"dt_updated": "2026-03-02T10:36:02.237202-05:00"
},
{
"id": 2525,
"url": "https://lda.senate.gov/api/v1/registrants/2525/?format=api",
"house_registrant_id": 32826,
"name": "AMERICAN HEART ASSOCIATION",
"description": null,
"address_1": "1150 Connecticut Avenue, NW",
"address_2": "Suite 300",
"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": "KRISTY ANDERSON",
"contact_telephone": "+1 202-785-7927",
"dt_updated": "2026-01-30T12:26:03.871667-05:00"
},
{
"id": 2514,
"url": "https://lda.senate.gov/api/v1/registrants/2514/?format=api",
"house_registrant_id": 33686,
"name": "AMERICAN HEALTH QUALITY ASSOCIATION",
"description": null,
"address_1": "7918 Jones Branch Drive",
"address_2": "Suite 300",
"address_3": null,
"address_4": null,
"city": "McLean",
"state": "VA",
"state_display": "Virginia",
"zip": "22102",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ALISON TEITELBAUM",
"contact_telephone": "+1 703-506-7669",
"dt_updated": "2022-04-06T16:04:34.427680-04:00"
},
{
"id": 2503,
"url": "https://lda.senate.gov/api/v1/registrants/2503/?format=api",
"house_registrant_id": 31609,
"name": "AMERICAN HEALTH INFORMATION MANAGEMENT ASSN",
"description": null,
"address_1": "200 Massachusetts Ave, NW",
"address_2": "7th 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": "LAUREN RIPLINGER",
"contact_telephone": "+1 202-839-1218",
"dt_updated": "2026-01-30T10:39:58.069790-05:00"
}
]
}