HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17467,
"next": "https://lda.gov/api/v1/registrants/?format=api&ordering=name&page=39",
"previous": "https://lda.gov/api/v1/registrants/?format=api&ordering=name&page=37",
"results": [
{
"id": 401106641,
"url": "https://lda.gov/api/v1/registrants/401106641/?format=api",
"house_registrant_id": null,
"name": "AMERICAN NURSES ASSOCIATION",
"description": null,
"address_1": "8515 Georgia Avenue",
"address_2": "Suite 400",
"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": "LISA STAND",
"contact_telephone": "+1 301-628-5096",
"dt_updated": "2022-05-10T12:35:41.121658-04:00"
},
{
"id": 2968,
"url": "https://lda.gov/api/v1/registrants/2968/?format=api",
"house_registrant_id": 32233,
"name": "AMERICAN NURSES ASSOCIATION",
"description": null,
"address_1": "8403 Colesville Rd",
"address_2": "Suite 500",
"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": "TIMOTHY NANOF",
"contact_telephone": "+1 301-628-5166",
"dt_updated": "2026-07-30T13:56:38.650294-04:00"
},
{
"id": 2981,
"url": "https://lda.gov/api/v1/registrants/2981/?format=api",
"house_registrant_id": 31099,
"name": "AMERICAN OPTOMETRIC ASSOCIATION",
"description": null,
"address_1": "1505 PRINCE STREET, #300",
"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": "MATT WILLETTE",
"contact_telephone": "+1 703-837-1001",
"dt_updated": "2026-07-31T16:43:50.818723-04:00"
},
{
"id": 2992,
"url": "https://lda.gov/api/v1/registrants/2992/?format=api",
"house_registrant_id": 32234,
"name": "AMERICAN ORGANIZATION FOR NURSING LEADERSHIP (FORMERLY AMERICAN ORGANIZATION OF",
"description": null,
"address_1": "155 N Wacker Dr, 4th Floor",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Chicago",
"state": "IL",
"state_display": "Illinois",
"zip": "60606",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "STACEY CHAPPELL",
"contact_telephone": "+1 312-422-2802",
"dt_updated": "2026-07-27T10:38:35.431608-04:00"
},
{
"id": 3003,
"url": "https://lda.gov/api/v1/registrants/3003/?format=api",
"house_registrant_id": 30539,
"name": "AMERICAN ORTHOTIC & PROSTHETIC ASSOCIATION",
"description": "Trade Association",
"address_1": "330 JOHN CARLYLE STREET",
"address_2": "SUITE 200",
"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": "DEVON BERNARD",
"contact_telephone": "+1 571-431-0854",
"dt_updated": "2026-07-14T15:28:47.902517-04:00"
},
{
"id": 3014,
"url": "https://lda.gov/api/v1/registrants/3014/?format=api",
"house_registrant_id": 33288,
"name": "AMERICAN OSTEOPATHIC ASSOCIATION",
"description": null,
"address_1": "511 2nd 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": "JOHN-MICHAEL VILLARAMA",
"contact_telephone": "+1 202-349-8753",
"dt_updated": "2026-02-09T19:28:05.957855-05:00"
},
{
"id": 3025,
"url": "https://lda.gov/api/v1/registrants/3025/?format=api",
"house_registrant_id": 32324,
"name": "AMERICAN OSTEOPATHIC HEALTHCARE ASSN",
"description": null,
"address_1": "5550 FRIENDSHIP BLVD #300",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "CHEVY CHASE",
"state": "MD",
"state_display": "Maryland",
"zip": "20815",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:46:03.816455-05:00"
},
{
"id": 401107298,
"url": "https://lda.gov/api/v1/registrants/401107298/?format=api",
"house_registrant_id": 55922,
"name": "AMERICAN PAKISTANI LEAGUE",
"description": null,
"address_1": "10409 Van Patten Lane",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Great Falls",
"state": "VA",
"state_display": "Virginia",
"zip": "22066",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "NAVEEN SHAIKH",
"contact_telephone": "+1 516-998-6817",
"dt_updated": "2023-02-07T22:49:53.046522-05:00"
},
{
"id": 401109854,
"url": "https://lda.gov/api/v1/registrants/401109854/?format=api",
"house_registrant_id": 77177,
"name": "AMERICAN PARKINSON DISEASE ASSOCIATION",
"description": null,
"address_1": "PO Box 61420",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Staten Island",
"state": "NY",
"state_display": "New York",
"zip": "10306",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ANNE HUBBARD",
"contact_telephone": "+1 929-805-0248",
"dt_updated": "2025-08-14T14:24:21.000121-04:00"
},
{
"id": 3036,
"url": "https://lda.gov/api/v1/registrants/3036/?format=api",
"house_registrant_id": 31618,
"name": "AMERICAN PASSENGER RAIL COALITION",
"description": null,
"address_1": "1600 International Drive Suite 300",
"address_2": null,
"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": "2022-01-13T14:46:13.402193-05:00"
},
{
"id": 400310453,
"url": "https://lda.gov/api/v1/registrants/400310453/?format=api",
"house_registrant_id": 40207,
"name": "AMERICAN PATRIOT ALTERNATIVE FUELS, LLC",
"description": "Specializes in the development of alternative energy and synthetic fuels.",
"address_1": "514 Magnolia Avenue",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Charlotte",
"state": "IN",
"state_display": "Indiana",
"zip": "28203",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "RASHID HALLAWAY",
"contact_telephone": "",
"dt_updated": "2022-04-06T16:07:29.744726-04:00"
},
{
"id": 3047,
"url": "https://lda.gov/api/v1/registrants/3047/?format=api",
"house_registrant_id": 32382,
"name": "AMERICAN PAYROLL ASSN",
"description": null,
"address_1": "601 13TH STREET NW, SUITE #1000 SO",
"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": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:46:04.292682-05:00"
},
{
"id": 3058,
"url": "https://lda.gov/api/v1/registrants/3058/?format=api",
"house_registrant_id": 31619,
"name": "AMERICAN PEANUT SHELLERS ASSOCIATION",
"description": null,
"address_1": "2336 LAKE PARK DRIVE",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ALBANY",
"state": "GA",
"state_display": "Georgia",
"zip": "31707",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "CHRISTOPHER CHAMMOUN",
"contact_telephone": "+1 229-888-2508",
"dt_updated": "2026-07-01T09:32:02.979242-04:00"
},
{
"id": 3060,
"url": "https://lda.gov/api/v1/registrants/3060/?format=api",
"house_registrant_id": 30638,
"name": "AMERICAN PETROLEUM INSTITUTE",
"description": null,
"address_1": "200 Massachusetts Ave NW",
"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": "KRISTIN WHITMAN",
"contact_telephone": "+1 202-682-8000",
"dt_updated": "2026-07-30T14:48:38.964674-04:00"
},
{
"id": 3071,
"url": "https://lda.gov/api/v1/registrants/3071/?format=api",
"house_registrant_id": 31620,
"name": "AMERICAN PHARMACISTS ASSOCIATION",
"description": null,
"address_1": "2215 CONSTITUTION AVENUE, NW",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "WASHINGTON",
"state": "DC",
"state_display": "District of Columbia",
"zip": "20037",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "DOUGLAS HUYNH",
"contact_telephone": "+1 202-429-7573",
"dt_updated": "2026-07-28T11:20:14.390571-04:00"
},
{
"id": 401105728,
"url": "https://lda.gov/api/v1/registrants/401105728/?format=api",
"house_registrant_id": null,
"name": "AMERICAN PHOENIX TRADE ADVISORY SERVICES",
"description": "Trade advisory consultant",
"address_1": "1701 Pennsylvania Ave",
"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": "ELIZABETH BALTZAN",
"contact_telephone": "+1 202-258-1871",
"dt_updated": "2022-04-06T16:06:28.741472-04:00"
},
{
"id": 3082,
"url": "https://lda.gov/api/v1/registrants/3082/?format=api",
"house_registrant_id": 30490,
"name": "AMERICAN PHYSICAL SOCIETY",
"description": null,
"address_1": "555 12th St",
"address_2": "Suite 250",
"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": "YEWANDE LEWIS",
"contact_telephone": "+1 301-209-3216",
"dt_updated": "2026-07-29T15:36:28.559090-04:00"
},
{
"id": 3093,
"url": "https://lda.gov/api/v1/registrants/3093/?format=api",
"house_registrant_id": 32383,
"name": "AMERICAN PHYSICAL THERAPY ASSOCIATION",
"description": "We are the national membership organization for physical therapists",
"address_1": "3030 Potomac Avenue",
"address_2": "STE 100",
"address_3": null,
"address_4": null,
"city": "Alexandria",
"state": "VA",
"state_display": "Virginia",
"zip": "22305",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MICHAEL MATLACK",
"contact_telephone": "+1 703-706-3163",
"dt_updated": "2026-07-29T10:08:26.317385-04:00"
},
{
"id": 77630,
"url": "https://lda.gov/api/v1/registrants/77630/?format=api",
"house_registrant_id": 36152,
"name": "AMERICAN PHYTOPATHOLOGICAL SOCIETY",
"description": null,
"address_1": "3340 PILOT KNOB ROAD",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ST. PAUL",
"state": "MN",
"state_display": "Minnesota",
"zip": "55121",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:54:04.733356-05:00"
},
{
"id": 3105,
"url": "https://lda.gov/api/v1/registrants/3105/?format=api",
"house_registrant_id": 30452,
"name": "AMERICAN PLASTICS COUNCIL",
"description": null,
"address_1": "1300 WILSON BLVD #800",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ARLINGTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22209",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:46:26.424609-05:00"
},
{
"id": 3116,
"url": "https://lda.gov/api/v1/registrants/3116/?format=api",
"house_registrant_id": 31452,
"name": "AMERICAN PODIATRIC MEDICAL ASSOCIATION",
"description": null,
"address_1": "11400 Rockville Pike",
"address_2": "Suite 220",
"address_3": null,
"address_4": null,
"city": "Rockville",
"state": "MD",
"state_display": "Maryland",
"zip": "20852",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "CHAD APPEL",
"contact_telephone": "+1 301-581-9267",
"dt_updated": "2026-07-20T15:26:02.205539-04:00"
},
{
"id": 401107570,
"url": "https://lda.gov/api/v1/registrants/401107570/?format=api",
"house_registrant_id": 56071,
"name": "AMERICAN POLICY VENTURES ACTION",
"description": null,
"address_1": "660 Pennsylvania Ave SE",
"address_2": "Suite 400",
"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": "KATHERINE SLEICHTER",
"contact_telephone": "+1 785-447-2623",
"dt_updated": "2026-07-15T16:08:57.995299-04:00"
},
{
"id": 401105414,
"url": "https://lda.gov/api/v1/registrants/401105414/?format=api",
"house_registrant_id": 44543,
"name": "AMERICAN POLITICAL SCIENCE ASSOCIATION",
"description": "Professional organization for the study of political science",
"address_1": "1527 New Hampshire Ave 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": "BEN GOODRICH",
"contact_telephone": "+1 612-396-7788",
"dt_updated": "2026-07-16T13:28:08.835820-04:00"
},
{
"id": 3138,
"url": "https://lda.gov/api/v1/registrants/3138/?format=api",
"house_registrant_id": 32235,
"name": "AMERICAN POSTAL WORKERS UNION, AFL-CIO",
"description": null,
"address_1": "1300 L STREET, 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": "JUDY BEARD",
"contact_telephone": "+1 202-842-4200",
"dt_updated": "2026-07-27T09:45:35.458551-04:00"
},
{
"id": 401104259,
"url": "https://lda.gov/api/v1/registrants/401104259/?format=api",
"house_registrant_id": null,
"name": "AMERICAN PRESIDENT LINES, LLC",
"description": "ocean transportation",
"address_1": "1515 Courthouse Road",
"address_2": "Suite 700",
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22201",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "PATRICIA O'NEILL",
"contact_telephone": "+1 202-591-6221",
"dt_updated": "2026-07-30T10:50:36.617632-04:00"
}
]
}