HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17190,
"next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=655",
"previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=653",
"results": [
{
"id": 401107254,
"url": "https://lda.senate.gov/api/v1/registrants/401107254/?format=api",
"house_registrant_id": 55899,
"name": "CARLOS PEREZ",
"description": null,
"address_1": "1000 Maine Ave., SW",
"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": "CARLOS PEREZ",
"contact_telephone": "+1 202-999-2373",
"dt_updated": "2026-02-20T10:00:58.499644-05:00"
},
{
"id": 30792,
"url": "https://lda.senate.gov/api/v1/registrants/30792/?format=api",
"house_registrant_id": 30115,
"name": "PARRY, ROMANI, DECONCINI & SYMMS",
"description": "Consulting",
"address_1": "517 C 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": "ROMANO ROMANI",
"contact_telephone": "+1 202-547-4000",
"dt_updated": "2026-02-20T12:11:07.230525-05:00"
},
{
"id": 400490410,
"url": "https://lda.senate.gov/api/v1/registrants/400490410/?format=api",
"house_registrant_id": null,
"name": "CAPITOL VENTURES GOVERNMENT RELATIONS, LLC",
"description": "tribe",
"address_1": "2433 South Troost Avenue",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Tulsa",
"state": "OK",
"state_display": "Oklahoma",
"zip": "74114",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "STUART MCCALMAN",
"contact_telephone": "+1 918-392-1749",
"dt_updated": "2026-02-20T13:36:11.700374-05:00"
},
{
"id": 401110388,
"url": "https://lda.senate.gov/api/v1/registrants/401110388/?format=api",
"house_registrant_id": 77451,
"name": "CALLAWASSIE CONSULTING LLC",
"description": null,
"address_1": "3 Ridgeland Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Pinehurst",
"state": "NC",
"state_display": "North Carolina",
"zip": "28374",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MICHAEL L WACLAWSKI",
"contact_telephone": "+1 703-615-5729",
"dt_updated": "2026-02-20T13:49:16.161496-05:00"
},
{
"id": 13574,
"url": "https://lda.senate.gov/api/v1/registrants/13574/?format=api",
"house_registrant_id": 30512,
"name": "ENDOCRINE SOCIETY",
"description": "Healthcare Association",
"address_1": "2055 L Street NW",
"address_2": "Suite 600",
"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": "ELLIE CLIFF",
"contact_telephone": "+1 202-971-3637",
"dt_updated": "2026-02-20T13:56:13.030432-05:00"
},
{
"id": 401105988,
"url": "https://lda.senate.gov/api/v1/registrants/401105988/?format=api",
"house_registrant_id": null,
"name": "INTERNATIONAL CHIROPRACTORS ASSOCIATION",
"description": "Professional Association representing the chiropractic profession & community worldwide.",
"address_1": "6400 Arlington Blvd",
"address_2": "Suite 650",
"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": "BETH CLAY",
"contact_telephone": "+1 703-528-5000",
"dt_updated": "2026-02-20T14:04:13.075723-05:00"
},
{
"id": 401109047,
"url": "https://lda.senate.gov/api/v1/registrants/401109047/?format=api",
"house_registrant_id": 56744,
"name": "SIDEPRIZE LLC D/B/A PRIZEPICKS",
"description": null,
"address_1": "c/o 12587 Fair Lakes Cir.",
"address_2": "PMB 170",
"address_3": null,
"address_4": null,
"city": "Fairfax",
"state": "VA",
"state_display": "Virginia",
"zip": "22033",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "NICK ZABRISKIE",
"contact_telephone": "+1 703-209-6125",
"dt_updated": "2026-02-20T14:20:59.179659-05:00"
},
{
"id": 401110399,
"url": "https://lda.senate.gov/api/v1/registrants/401110399/?format=api",
"house_registrant_id": 77452,
"name": "AMERICAN TRAIN DISPATCHERS ASSOCIATION",
"description": null,
"address_1": "4239 W 150th St",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Cleveland",
"state": "OH",
"state_display": "Ohio",
"zip": "44135",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JEFFREY ROBB",
"contact_telephone": "+1 740-601-5776",
"dt_updated": "2026-02-20T15:00:01.146046-05:00"
},
{
"id": 62016,
"url": "https://lda.senate.gov/api/v1/registrants/62016/?format=api",
"house_registrant_id": 35409,
"name": "GEORGETOWN UNIVERSITY",
"description": null,
"address_1": "3700 O St NW",
"address_2": "Office of Federal Relations, Gervase Building 300",
"address_3": null,
"address_4": null,
"city": "WASHINGTON",
"state": "DC",
"state_display": "District of Columbia",
"zip": "20057",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "KATY BUTTON",
"contact_telephone": "+1 202-687-0390",
"dt_updated": "2026-02-20T15:22:17.956290-05:00"
},
{
"id": 401105794,
"url": "https://lda.senate.gov/api/v1/registrants/401105794/?format=api",
"house_registrant_id": null,
"name": "OLYMPUS CAPITOL STRATEGIES, LLC (FKA OLYMPUS POLITICAL CONSULTING, LLC)",
"description": "Lobbyist",
"address_1": "517 Golden Leaf Court",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Lake Saint Louis",
"state": "MO",
"state_display": "Missouri",
"zip": "63367",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JAKE SILVERMAN",
"contact_telephone": "+1 314-757-1135",
"dt_updated": "2026-02-20T16:15:34.885913-05:00"
},
{
"id": 401106006,
"url": "https://lda.senate.gov/api/v1/registrants/401106006/?format=api",
"house_registrant_id": null,
"name": "RB CROWE LLC FORMERLY KNOWN AS ROBERT CROWE",
"description": "Lobbyist",
"address_1": "330 Cocoanut Row APT 5C",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Palm Beach",
"state": "FL",
"state_display": "Florida",
"zip": "33480",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ROBERT B. CROWE",
"contact_telephone": "+1 617-966-4748",
"dt_updated": "2026-02-20T16:15:35.066891-05:00"
},
{
"id": 400911656,
"url": "https://lda.senate.gov/api/v1/registrants/400911656/?format=api",
"house_registrant_id": null,
"name": "KENNETH BROWN",
"description": "Strategic consulting and government affairs",
"address_1": "4713 Trent Court",
"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": "KENNETH BROWN",
"contact_telephone": "+1 202-674-7777",
"dt_updated": "2026-02-20T16:24:25.638804-05:00"
},
{
"id": 401107989,
"url": "https://lda.senate.gov/api/v1/registrants/401107989/?format=api",
"house_registrant_id": 56277,
"name": "CARE NEW ENGLAND",
"description": null,
"address_1": "4 Richmond Sq",
"address_2": "4th Floor",
"address_3": null,
"address_4": null,
"city": "Providence",
"state": "RI",
"state_display": "Rhode Island",
"zip": "02906",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ROBERT DULSKI",
"contact_telephone": "+1 401-430-8702",
"dt_updated": "2026-02-20T18:27:28.596783-05:00"
},
{
"id": 81054,
"url": "https://lda.senate.gov/api/v1/registrants/81054/?format=api",
"house_registrant_id": 36130,
"name": "R-CALF UNITED STOCKGROWERS OF AMERICA",
"description": "National, non-profit cattle-producer association",
"address_1": "P.O. BOX 30715",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "BILLINGS",
"state": "MT",
"state_display": "Montana",
"zip": "59107",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "BILL BULLARD",
"contact_telephone": "+1 406-252-2516",
"dt_updated": "2026-02-20T19:25:31.884220-05:00"
},
{
"id": 318813,
"url": "https://lda.senate.gov/api/v1/registrants/318813/?format=api",
"house_registrant_id": 39436,
"name": "GREENPEACE, INC.",
"description": "NON-PROFIT ENVIRONMENTAL ORGANIZATION",
"address_1": "1300 Eye Street NW",
"address_2": "SUITE 1100 East",
"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": "JAY MEISEL",
"contact_telephone": "+1 202-462-1177",
"dt_updated": "2026-02-21T08:43:35.171925-05:00"
},
{
"id": 401107071,
"url": "https://lda.senate.gov/api/v1/registrants/401107071/?format=api",
"house_registrant_id": 55830,
"name": "QUINCY INSTITUTE FOR RESPONSIBLE STATECRAFT",
"description": null,
"address_1": "2000 Pennsylvania Avenue NW",
"address_2": "Suite 7000",
"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": "VICTORIA BATEMAN",
"contact_telephone": "+1 240-786-8035",
"dt_updated": "2026-02-21T09:43:34.980877-05:00"
},
{
"id": 290274,
"url": "https://lda.senate.gov/api/v1/registrants/290274/?format=api",
"house_registrant_id": 37168,
"name": "LAW OFFICES OF PHILIP R. HOCHBERG",
"description": "Law firm",
"address_1": "12505 Park Potomac Ave., Suite 600",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Potomac",
"state": "MD",
"state_display": "Maryland",
"zip": "20854",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "PHILIP R. HOCHBERG",
"contact_telephone": "+1 301-676-7106",
"dt_updated": "2026-02-21T10:43:35.183201-05:00"
},
{
"id": 400869547,
"url": "https://lda.senate.gov/api/v1/registrants/400869547/?format=api",
"house_registrant_id": null,
"name": "NATIONAL VOLUNTEER FIRE COUNCIL",
"description": "Represents the nation's volunteer fire, emergency medical and rescue services",
"address_1": "712 H St., NE, Ste. 1478",
"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": "RYAN WOODWARD",
"contact_telephone": "+1 202-887-5700",
"dt_updated": "2026-02-21T15:19:40.260448-05:00"
},
{
"id": 401109617,
"url": "https://lda.senate.gov/api/v1/registrants/401109617/?format=api",
"house_registrant_id": 77059,
"name": "DLG PARTNERS (FKA DRAGON LIST GLOBAL)",
"description": null,
"address_1": "1717 Pennsylvania Avenue",
"address_2": "NW Suite 1025",
"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": "SIMONE ROWLAND-WYATT",
"contact_telephone": "+1 702-722-7780",
"dt_updated": "2026-02-21T17:01:46.506539-05:00"
},
{
"id": 401106918,
"url": "https://lda.senate.gov/api/v1/registrants/401106918/?format=api",
"house_registrant_id": 45758,
"name": "IBEX2 SOLUTIONS, LLC",
"description": null,
"address_1": "4523 North Pegram Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Alexandria",
"state": "VA",
"state_display": "Virginia",
"zip": "22304",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "SUSAN NELSON",
"contact_telephone": "+1 202-615-9394",
"dt_updated": "2026-02-22T10:59:47.574373-05:00"
},
{
"id": 315477,
"url": "https://lda.senate.gov/api/v1/registrants/315477/?format=api",
"house_registrant_id": 39208,
"name": "BUTTERFIELD EVANS & ASSOCIATES LLC",
"description": "Government affairs",
"address_1": "304 G Street SE",
"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": "R. IAN BUTTERFIELD",
"contact_telephone": "+1 202-544-7845",
"dt_updated": "2026-02-22T12:43:34.962036-05:00"
},
{
"id": 401104798,
"url": "https://lda.senate.gov/api/v1/registrants/401104798/?format=api",
"house_registrant_id": null,
"name": "MS. GWENDOLYN O'BRIEN DONALDSON",
"description": "public relations, consulting, government affairs",
"address_1": "P. O. Box 251",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "McLean",
"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": "GWENDOLYN O'BRIEN DONALDSON",
"contact_telephone": "+1 202-669-8150",
"dt_updated": "2026-02-23T09:17:53.380722-05:00"
},
{
"id": 4868,
"url": "https://lda.senate.gov/api/v1/registrants/4868/?format=api",
"house_registrant_id": 31022,
"name": "AT-SEA PROCESSORS ASSOCIATION",
"description": "trade association",
"address_1": "4039 21st Avenue West",
"address_2": "Suite 400",
"address_3": null,
"address_4": null,
"city": "Seattle",
"state": "WA",
"state_display": "Washington",
"zip": "98199",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MATT TINNING",
"contact_telephone": "+1 202-286-6498",
"dt_updated": "2026-02-23T11:28:10.846058-05:00"
},
{
"id": 401109039,
"url": "https://lda.senate.gov/api/v1/registrants/401109039/?format=api",
"house_registrant_id": 56739,
"name": "CHECKMATE GOVERNMENT RELATIONS",
"description": null,
"address_1": "121 Reynolda Village Way Ste. A",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Winston Salem",
"state": "NC",
"state_display": "North Carolina",
"zip": "27106",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "KENDALL CONGER",
"contact_telephone": "+1 919-740-1863",
"dt_updated": "2026-02-23T15:42:24.929627-05:00"
},
{
"id": 401110404,
"url": "https://lda.senate.gov/api/v1/registrants/401110404/?format=api",
"house_registrant_id": null,
"name": "GELT VENTURES LP",
"description": null,
"address_1": "10810 N. Tatum Blvd #102-969",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Phoenix",
"state": "AZ",
"state_display": "Arizona",
"zip": "85028",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "SCOTT ATKINS",
"contact_telephone": "+1 213-921-1414",
"dt_updated": "2026-02-23T16:41:28.300207-05:00"
}
]
}