HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17051,
"next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=name&page=43",
"previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=name&page=41",
"results": [
{
"id": 61915,
"url": "https://lda.senate.gov/api/v1/registrants/61915/?format=api",
"house_registrant_id": 35426,
"name": "AMERICAN SPECIALTY HEALTH, INC.",
"description": null,
"address_1": "601 Pennsylvania Avenue NW, Suite 900",
"address_2": null,
"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": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:53:23.431045-05:00"
},
{
"id": 3515,
"url": "https://lda.senate.gov/api/v1/registrants/3515/?format=api",
"house_registrant_id": 31142,
"name": "AMERICAN SPEECH-LANGUAGE-HEARING ASSOCIATION",
"description": null,
"address_1": "2200 Research Boulevard",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Rockville",
"state": "MD",
"state_display": "Maryland",
"zip": "20850",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ELIZABETH BEST-BRADFORD",
"contact_telephone": "+1 202-624-5952",
"dt_updated": "2025-07-29T10:56:49.901348-04:00"
},
{
"id": 3526,
"url": "https://lda.senate.gov/api/v1/registrants/3526/?format=api",
"house_registrant_id": 31554,
"name": "AMERICAN SPORTFISHING ASSOCIATION",
"description": null,
"address_1": "1001 North Fairfax Street",
"address_2": "Suite 501",
"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": "DAVID LEONARD",
"contact_telephone": "+1 703-519-9691",
"dt_updated": "2025-08-04T14:36:00.928872-04:00"
},
{
"id": 27194,
"url": "https://lda.senate.gov/api/v1/registrants/27194/?format=api",
"house_registrant_id": 32133,
"name": "AMERICAN STAFFING ASSOCIATION",
"description": "Trade association representing the U.S. staffing industry.",
"address_1": "277 S. Washington St.",
"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": "TOBY MALARA",
"contact_telephone": "+1 703-253-2020",
"dt_updated": "2025-07-10T15:28:14.416056-04:00"
},
{
"id": 401107364,
"url": "https://lda.senate.gov/api/v1/registrants/401107364/?format=api",
"house_registrant_id": null,
"name": "AMERICAN STATISTICAL ASSOCIATION",
"description": null,
"address_1": "732 North Washington 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": "STEVE PIERSON",
"contact_telephone": "+1 703-302-1841",
"dt_updated": "2025-11-10T16:46:06.290981-05:00"
},
{
"id": 3548,
"url": "https://lda.senate.gov/api/v1/registrants/3548/?format=api",
"house_registrant_id": 31555,
"name": "AMERICAN STOCK EXCHANGE",
"description": "Nation exchange for trading of equities, options and exchange traded funds",
"address_1": "6509 SUSAN BARKLEY CT",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ALEXANDRIA",
"state": "VA",
"state_display": "Virginia",
"zip": "22315",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MR. MARK W. SEETIN",
"contact_telephone": "+1 703-339-7090",
"dt_updated": "2022-04-06T16:06:31.208371-04:00"
},
{
"id": 401105770,
"url": "https://lda.senate.gov/api/v1/registrants/401105770/?format=api",
"house_registrant_id": 401105770,
"name": "AMERICAN STRATEGIC PARTNERS",
"description": "government relations firm",
"address_1": "1300 Pennsylvania Avenue NW",
"address_2": null,
"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": "NATHAN GROTH",
"contact_telephone": "+1 202-747-9584",
"dt_updated": "2023-04-20T11:20:28.773891-04:00"
},
{
"id": 3550,
"url": "https://lda.senate.gov/api/v1/registrants/3550/?format=api",
"house_registrant_id": 32906,
"name": "AMERICAN STRATEGIES",
"description": null,
"address_1": "1300 CONNECTICUT AVE NW, #650",
"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": "2022-01-13T14:46:31.806487-05:00"
},
{
"id": 3561,
"url": "https://lda.senate.gov/api/v1/registrants/3561/?format=api",
"house_registrant_id": 30487,
"name": "AMERICAN SUBCONTRACTORS ASSOCIATION, INC.",
"description": null,
"address_1": "1004 Duke 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": "ELIZABETH COLETTE NELSON",
"contact_telephone": "+1 703-684-3450",
"dt_updated": "2022-04-06T16:06:08.552009-04:00"
},
{
"id": 44732,
"url": "https://lda.senate.gov/api/v1/registrants/44732/?format=api",
"house_registrant_id": 34203,
"name": "AMERICAN SUGAR ALLIANCE",
"description": null,
"address_1": "2101 Wilson Blvd",
"address_2": "Suite 610-B",
"address_3": null,
"address_4": null,
"city": "ARLINGTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22101",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "VICKIE MYERS",
"contact_telephone": "+1 703-351-5055",
"dt_updated": "2025-07-16T18:08:32.781856-04:00"
},
{
"id": 3572,
"url": "https://lda.senate.gov/api/v1/registrants/3572/?format=api",
"house_registrant_id": 32240,
"name": "AMERICAN SUGARBEET GROWERS ASSOCIATION",
"description": null,
"address_1": "1155 15TH STREET, NW, #1100",
"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": "ZACHARY CLARK",
"contact_telephone": "+1 202-595-0737",
"dt_updated": "2025-07-10T13:31:14.137056-04:00"
},
{
"id": 400566693,
"url": "https://lda.senate.gov/api/v1/registrants/400566693/?format=api",
"house_registrant_id": 400566693,
"name": "AMERICANS UNITED FOR LIFE ACTION",
"description": "Educating Congressional members and staff about life issues.",
"address_1": "2101 Wilson Boulevard",
"address_2": "Suite 525",
"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": "EVANGELINE BARTZ",
"contact_telephone": "+1 202-741-4915",
"dt_updated": "2022-04-06T16:07:53.963960-04:00"
},
{
"id": 3823,
"url": "https://lda.senate.gov/api/v1/registrants/3823/?format=api",
"house_registrant_id": 31559,
"name": "AMERICANS UNITED FOR SEPARATION OF CHURCH AND STATE",
"description": null,
"address_1": "1310 L St NW",
"address_2": "Suite 200",
"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": "ALESSANDRO TERENZONI",
"contact_telephone": "+1 202-898-2138",
"dt_updated": "2025-07-30T13:38:59.507372-04:00"
},
{
"id": 400314468,
"url": "https://lda.senate.gov/api/v1/registrants/400314468/?format=api",
"house_registrant_id": 40290,
"name": "AMERICAN SUPERCONDUCTOR CORPORATION",
"description": "Develop and manufacture superconductor wire and associated devices",
"address_1": "114 East Main Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Ayer",
"state": "MA",
"state_display": "Massachusetts",
"zip": "01432",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JOHN ULLIMAN",
"contact_telephone": "+1 978-842-3000",
"dt_updated": "2025-07-09T14:56:51.755972-04:00"
},
{
"id": 400698086,
"url": "https://lda.senate.gov/api/v1/registrants/400698086/?format=api",
"house_registrant_id": 400698086,
"name": "AMERICAN SUPPLY ASSOCIATION",
"description": "Trade Association - plumbing, heating, cooling, ind. & mechanical pipe, valves & fittings.",
"address_1": "500 Park Blvd",
"address_2": "Suite 1125",
"address_3": null,
"address_4": null,
"city": "Itasca",
"state": "IL",
"state_display": "Illinois",
"zip": "60143",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "STEPHEN ROSSI",
"contact_telephone": "+1 630-467-0000",
"dt_updated": "2025-07-30T14:18:59.750634-04:00"
},
{
"id": 3583,
"url": "https://lda.senate.gov/api/v1/registrants/3583/?format=api",
"house_registrant_id": 31141,
"name": "AMERICAN SYMPHONY ORCHESTRA LEAGUE - DBA LEAGUE OF AMERICAN ORCHESTRAS",
"description": null,
"address_1": "520 8th Avenue",
"address_2": "Suite 2005",
"address_3": null,
"address_4": null,
"city": "New York",
"state": "NY",
"state_display": "New York",
"zip": "10018",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "HEATHER C. NOONAN",
"contact_telephone": "+1 202-776-0215",
"dt_updated": "2025-07-30T20:21:02.116585-04:00"
},
{
"id": 48202,
"url": "https://lda.senate.gov/api/v1/registrants/48202/?format=api",
"house_registrant_id": 34493,
"name": "AMERICAN SYSTEMS INTL CORP",
"description": "9/15/03",
"address_1": "2800 SHIRLINGTON RD., SUITE 401",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ARLINGTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22206",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:52:35.151675-05:00"
},
{
"id": 323193,
"url": "https://lda.senate.gov/api/v1/registrants/323193/?format=api",
"house_registrant_id": 39688,
"name": "AMERICAN TECHNOLOGY SPECIALISTS, LLC",
"description": "Consultant",
"address_1": "7213 Longwood Drive",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Bethesda",
"state": "MD",
"state_display": "Maryland",
"zip": "20817",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "THOMAS GOLDBERG",
"contact_telephone": "+1 202-280-6360",
"dt_updated": "2022-04-06T16:07:42.491299-04:00"
},
{
"id": 401105590,
"url": "https://lda.senate.gov/api/v1/registrants/401105590/?format=api",
"house_registrant_id": 401105590,
"name": "AMERICAN TELEMEDICINE ASSOCIATION",
"description": "Association",
"address_1": "901 N Glebe Rd",
"address_2": "Suite 850",
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22203",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "KYLE ZEBLEY",
"contact_telephone": "+1 412-760-8098",
"dt_updated": "2025-03-11T10:29:07.652797-04:00"
},
{
"id": 3594,
"url": "https://lda.senate.gov/api/v1/registrants/3594/?format=api",
"house_registrant_id": 31556,
"name": "AMERICAN TEXTILE MANUFACTURERS INST",
"description": null,
"address_1": "1130 CONNECTICUT AVE NW #1200",
"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": "2022-01-13T14:46:42.562511-05:00"
},
{
"id": 56873,
"url": "https://lda.senate.gov/api/v1/registrants/56873/?format=api",
"house_registrant_id": 35207,
"name": "AMERICAN THORACIC SOCIETY",
"description": null,
"address_1": "25 BROADWAY",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "NEW YORK",
"state": "NY",
"state_display": "New York",
"zip": "10004",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MR. GARY EWART",
"contact_telephone": "+1 202-296-9770",
"dt_updated": "2025-08-19T13:57:40.609493-04:00"
},
{
"id": 40034291,
"url": "https://lda.senate.gov/api/v1/registrants/40034291/?format=api",
"house_registrant_id": null,
"name": "AMERICAN TINNITUS ASSOCIATION",
"description": null,
"address_1": "65 SW Yamhill St",
"address_2": "Suite 200",
"address_3": "",
"address_4": null,
"city": "Portland",
"state": "OR",
"state_display": "Oregon",
"zip": "97204",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JENNIFER DUPRIEST",
"contact_telephone": "+1 503-248-9985",
"dt_updated": "2022-01-13T14:57:08.872203-05:00"
},
{
"id": 3606,
"url": "https://lda.senate.gov/api/v1/registrants/3606/?format=api",
"house_registrant_id": 30453,
"name": "AMERICAN TORT REFORM ASSOCIATION",
"description": null,
"address_1": "1101 CONNECTICUT AVE., NW, SUITE 400",
"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": "SHERMAN JOYCE",
"contact_telephone": "+1 202-682-1163",
"dt_updated": "2025-07-21T08:26:18.006851-04:00"
},
{
"id": 401103440,
"url": "https://lda.senate.gov/api/v1/registrants/401103440/?format=api",
"house_registrant_id": 401103440,
"name": "AMERICAN TOWER CORPORATION",
"description": "Owner, operator and developer of wireless and broadcast communication real estate",
"address_1": "116 Huntington Ave.",
"address_2": "11 Floor",
"address_3": null,
"address_4": null,
"city": "Boston",
"state": "MA",
"state_display": "Massachusetts",
"zip": "02116",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JENNIFER SCHNEIDER",
"contact_telephone": "+1 202-603-6942",
"dt_updated": "2025-07-15T09:32:07.043826-04:00"
},
{
"id": 3617,
"url": "https://lda.senate.gov/api/v1/registrants/3617/?format=api",
"house_registrant_id": 34032,
"name": "AMERICAN TRAFFIC SAFETY SERVICES ASSOCIATION",
"description": null,
"address_1": "150 Riverside Parkway",
"address_2": "Suite 311",
"address_3": null,
"address_4": null,
"city": "FREDERICKSBURG",
"state": "VA",
"state_display": "Virginia",
"zip": "22406",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ARTEM ALEKSEEV",
"contact_telephone": "+1 561-573-7424",
"dt_updated": "2025-08-19T12:32:39.598177-04:00"
}
]
}