GET /api/v1/registrants/?format=api&ordering=-dt_updated
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "count": 17121,
    "next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=-dt_updated&page=2",
    "previous": null,
    "results": [
        {
            "id": 33044,
            "url": "https://lda.senate.gov/api/v1/registrants/33044/?format=api",
            "house_registrant_id": 30411,
            "name": "REINSURANCE ASSN OF AMERICA",
            "description": "National Trade Association representing property and casualty companies",
            "address_1": "1445 New York Ave., NW, 7th Floor",
            "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": "NICOLE AUSTIN",
            "contact_telephone": "+1 202-372-6432",
            "dt_updated": "2026-01-29T21:04:14.144321-05:00"
        },
        {
            "id": 401105505,
            "url": "https://lda.senate.gov/api/v1/registrants/401105505/?format=api",
            "house_registrant_id": 401105505,
            "name": "CITGO PETROLEUM CORPORATION",
            "description": "Refiner, transporter, and marketer of fuels & petrochemical products.",
            "address_1": "1293 Eldridge Parkway",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Houston",
            "state": "TX",
            "state_display": "Texas",
            "zip": "77077",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "HEATHER WINTER",
            "contact_telephone": "+1 630-220-9241",
            "dt_updated": "2026-01-29T20:50:14.310792-05:00"
        },
        {
            "id": 400862528,
            "url": "https://lda.senate.gov/api/v1/registrants/400862528/?format=api",
            "house_registrant_id": 400862528,
            "name": "SUSTAINABLE STRATEGIES DC",
            "description": "Funding consultant",
            "address_1": "200 Massachusetts Avenue, NW",
            "address_2": "Suite 380",
            "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": "MATT WARD",
            "contact_telephone": "+1 202-261-9880",
            "dt_updated": "2026-01-29T20:37:14.300421-05:00"
        },
        {
            "id": 401106412,
            "url": "https://lda.senate.gov/api/v1/registrants/401106412/?format=api",
            "house_registrant_id": 401106412,
            "name": "VETERANS GUARDIAN VA CLAIM CONSULTING LLC",
            "description": "consulting company",
            "address_1": "75 Trotter Hills Circle",
            "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": "BRIAN MARSHALL JOHNSON",
            "contact_telephone": "+1 202-378-8644",
            "dt_updated": "2026-01-29T20:37:14.212158-05:00"
        },
        {
            "id": 400426039,
            "url": "https://lda.senate.gov/api/v1/registrants/400426039/?format=api",
            "house_registrant_id": 400426039,
            "name": "CAPITOLINE CONSULTING, LLC",
            "description": "​ Government relations consulting",
            "address_1": "P.O. Box 1609",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Alexandria",
            "state": "VA",
            "state_display": "Virginia",
            "zip": "22313",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "LIZ ROBERTS",
            "contact_telephone": "+1 571-243-4807",
            "dt_updated": "2026-01-29T20:35:14.445405-05:00"
        },
        {
            "id": 401109920,
            "url": "https://lda.senate.gov/api/v1/registrants/401109920/?format=api",
            "house_registrant_id": 77215,
            "name": "RUBRUM ADVISING",
            "description": null,
            "address_1": "404 Pembroke Road",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Bala Cynwyd",
            "state": "PA",
            "state_display": "Pennsylvania",
            "zip": "19004",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "TRISTEN TELLMAN",
            "contact_telephone": "+1 806-335-0932",
            "dt_updated": "2026-01-29T20:31:14.154567-05:00"
        },
        {
            "id": 5585,
            "url": "https://lda.senate.gov/api/v1/registrants/5585/?format=api",
            "house_registrant_id": 30217,
            "name": "BATTELLE MEMORIAL INSTITUTE",
            "description": null,
            "address_1": "505 King Avenue",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Columbus",
            "state": "OH",
            "state_display": "Ohio",
            "zip": "43201",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "THOMAS PHILLIPS",
            "contact_telephone": "+1 202-646-5023",
            "dt_updated": "2026-01-29T20:28:14.238354-05:00"
        },
        {
            "id": 32054,
            "url": "https://lda.senate.gov/api/v1/registrants/32054/?format=api",
            "house_registrant_id": 30456,
            "name": "PREMIER, INC.",
            "description": null,
            "address_1": "200 Massachusetts Avenue NW",
            "address_2": "Suite 330",
            "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": "JOHN KNAPP",
            "contact_telephone": "+1 240-839-0739",
            "dt_updated": "2026-01-29T20:28:14.022901-05:00"
        },
        {
            "id": 401103267,
            "url": "https://lda.senate.gov/api/v1/registrants/401103267/?format=api",
            "house_registrant_id": 401103267,
            "name": "SINCLAIR BROADCAST GROUP",
            "description": "Television broadcasting",
            "address_1": "10706 Beaver Dam Road",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Hunt Valley",
            "state": "MD",
            "state_display": "Maryland",
            "zip": "21030",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "PATRICK MCFADDEN",
            "contact_telephone": "+1 667-318-7408",
            "dt_updated": "2026-01-29T20:25:14.599011-05:00"
        },
        {
            "id": 296715,
            "url": "https://lda.senate.gov/api/v1/registrants/296715/?format=api",
            "house_registrant_id": 37527,
            "name": "SOCIETY FOR VASCULAR SURGERY",
            "description": "Trade Association",
            "address_1": "9400 W Higgins Rd",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Rosemont",
            "state": "IL",
            "state_display": "Illinois",
            "zip": "60018",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "MEGAN K. MARCINKO, MPS",
            "contact_telephone": "+1 312-334-2356",
            "dt_updated": "2026-01-29T20:23:14.650238-05:00"
        },
        {
            "id": 401106014,
            "url": "https://lda.senate.gov/api/v1/registrants/401106014/?format=api",
            "house_registrant_id": 401106014,
            "name": "NORTHERN COMPASS GROUP LLC",
            "description": "Consulting",
            "address_1": "445 E. 5th Avenue",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Anchorage",
            "state": "AK",
            "state_display": "Alaska",
            "zip": "99501",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "CLARE BOERSMA",
            "contact_telephone": "+1 907-242-2275",
            "dt_updated": "2026-01-29T20:22:14.224846-05:00"
        },
        {
            "id": 400532589,
            "url": "https://lda.senate.gov/api/v1/registrants/400532589/?format=api",
            "house_registrant_id": 400532589,
            "name": "PRIME POLICY GROUP",
            "description": "Government relations",
            "address_1": "1801 K Street NW",
            "address_2": "Suite 9000",
            "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": "ABBI SOTHMANN",
            "contact_telephone": "+1 202-530-4574",
            "dt_updated": "2026-01-29T20:20:14.632389-05:00"
        },
        {
            "id": 400270238,
            "url": "https://lda.senate.gov/api/v1/registrants/400270238/?format=api",
            "house_registrant_id": 40043,
            "name": "MAYO CLINIC",
            "description": "Healthcare provider",
            "address_1": "200 Second Street SW",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Rochester",
            "state": "MN",
            "state_display": "Minnesota",
            "zip": "55905",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "SUSIE AHN",
            "contact_telephone": "+1 507-266-1656",
            "dt_updated": "2026-01-29T20:16:14.399365-05:00"
        },
        {
            "id": 401106107,
            "url": "https://lda.senate.gov/api/v1/registrants/401106107/?format=api",
            "house_registrant_id": 401106107,
            "name": "WORKMONEY, INC (DBA WORKMONEY)",
            "description": "Social welfare organization",
            "address_1": "790 N Milwaukee St Ste 300",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Milwaukee",
            "state": "WI",
            "state_display": "Wisconsin",
            "zip": "53202",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "SHELLY MOSKWA",
            "contact_telephone": "+1 202-253-6453",
            "dt_updated": "2026-01-29T20:09:14.339440-05:00"
        },
        {
            "id": 401106303,
            "url": "https://lda.senate.gov/api/v1/registrants/401106303/?format=api",
            "house_registrant_id": 401106303,
            "name": "MARVELL TECHNOLOGY, INC.",
            "description": "Technology company",
            "address_1": "1000 N. West Street",
            "address_2": "Suite 1200",
            "address_3": null,
            "address_4": null,
            "city": "Wilmington",
            "state": "DE",
            "state_display": "Delaware",
            "zip": "19801",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "MARK CASPER, CHIEF LEGAL OFFICER",
            "contact_telephone": "+1 408-222-2500",
            "dt_updated": "2026-01-29T20:02:14.124154-05:00"
        },
        {
            "id": 401107452,
            "url": "https://lda.senate.gov/api/v1/registrants/401107452/?format=api",
            "house_registrant_id": 56012,
            "name": "CONGRESSIONAL COLLEAGUES, LLC",
            "description": null,
            "address_1": "41263 Chatham Green Circle",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Aldie",
            "state": "VA",
            "state_display": "Virginia",
            "zip": "20105",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "JOHN T. DOOLITTLE",
            "contact_telephone": "+1 916-201-4676",
            "dt_updated": "2026-01-29T20:00:14.349887-05:00"
        },
        {
            "id": 15931,
            "url": "https://lda.senate.gov/api/v1/registrants/15931/?format=api",
            "house_registrant_id": 31490,
            "name": "GENERAL ATOMICS",
            "description": "Defense, Energy & Transportation Company",
            "address_1": "3000 K street, NW, Suite 250",
            "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": "GARY HOPPER",
            "contact_telephone": "+1 703-623-0687",
            "dt_updated": "2026-01-29T19:53:14.003446-05:00"
        },
        {
            "id": 401109036,
            "url": "https://lda.senate.gov/api/v1/registrants/401109036/?format=api",
            "house_registrant_id": 56736,
            "name": "ADANI NORTH AMERICA AND ITS AFFILIATES",
            "description": null,
            "address_1": "1423 Diceman Ave.",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Dallas",
            "state": "TX",
            "state_display": "Texas",
            "zip": "75023",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "ANURAG VARMA",
            "contact_telephone": "+1 202-468-4681",
            "dt_updated": "2026-01-29T19:52:14.227575-05:00"
        },
        {
            "id": 401107814,
            "url": "https://lda.senate.gov/api/v1/registrants/401107814/?format=api",
            "house_registrant_id": 56179,
            "name": "MOET HENNESSY USA",
            "description": null,
            "address_1": "7 World Trade Center",
            "address_2": "250 Greenwich Street",
            "address_3": null,
            "address_4": null,
            "city": "New York",
            "state": "NY",
            "state_display": "New York",
            "zip": "10007",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "KATE COLER",
            "contact_telephone": "+1 202-306-3586",
            "dt_updated": "2026-01-29T19:43:14.113728-05:00"
        },
        {
            "id": 400671007,
            "url": "https://lda.senate.gov/api/v1/registrants/400671007/?format=api",
            "house_registrant_id": 400671007,
            "name": "TAUZIN CONSULTANTS, LLC",
            "description": "​Government relations, business development, and business incubation firm.",
            "address_1": "216 Landry Lane",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Thibodaux",
            "state": "LA",
            "state_display": "Louisiana",
            "zip": "70301",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "THOMAS TAUZIN",
            "contact_telephone": "+1 917-992-0108",
            "dt_updated": "2026-01-29T19:42:14.814431-05:00"
        },
        {
            "id": 34103,
            "url": "https://lda.senate.gov/api/v1/registrants/34103/?format=api",
            "house_registrant_id": 33091,
            "name": "SAFARI CLUB INTERNATIONAL",
            "description": "hunting organization",
            "address_1": "501 2nd St., 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": "NICHOLAS UBERTI",
            "contact_telephone": "+1 202-543-8733",
            "dt_updated": "2026-01-29T19:41:14.074949-05:00"
        },
        {
            "id": 301232,
            "url": "https://lda.senate.gov/api/v1/registrants/301232/?format=api",
            "house_registrant_id": 37766,
            "name": "DAVITA INC.",
            "description": null,
            "address_1": "601 Pennsylvania Avenue, NW",
            "address_2": "Suite 225",
            "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": "JOELLE THORNHILL",
            "contact_telephone": "+1 202-478-8189",
            "dt_updated": "2026-01-29T19:32:14.026408-05:00"
        },
        {
            "id": 401110035,
            "url": "https://lda.senate.gov/api/v1/registrants/401110035/?format=api",
            "house_registrant_id": null,
            "name": "TELIX PHARMACEUTICALS LIMITED",
            "description": null,
            "address_1": "11700 Exit 5 Pkwy, Suite 200",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Fishers",
            "state": "IN",
            "state_display": "Indiana",
            "zip": "46037",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "BRUCE CARROLL",
            "contact_telephone": "+1 704-804-4854",
            "dt_updated": "2026-01-29T19:28:14.444836-05:00"
        },
        {
            "id": 401103321,
            "url": "https://lda.senate.gov/api/v1/registrants/401103321/?format=api",
            "house_registrant_id": 401103321,
            "name": "TODD STRATEGY GROUP",
            "description": "​Government Affairs Consulting Firm.",
            "address_1": "1201 New York Avenue, NW",
            "address_2": "8th Floor",
            "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": "BETH ANNE COLE",
            "contact_telephone": "+1 202-352-7761",
            "dt_updated": "2026-01-29T19:23:14.169792-05:00"
        },
        {
            "id": 10866,
            "url": "https://lda.senate.gov/api/v1/registrants/10866/?format=api",
            "house_registrant_id": 31833,
            "name": "CORN REFINERS ASSOCIATION",
            "description": "The Corn Refiners Association represents the corn wet milling industry in the U.S.",
            "address_1": "1701 Pennsylvania Avenue NW, Suite 400",
            "address_2": null,
            "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": "KENT ROBERSON",
            "contact_telephone": "+1 202-432-1898",
            "dt_updated": "2026-01-29T19:14:14.044155-05:00"
        }
    ]
}