GET /api/v1/registrants/?format=api&ordering=dt_updated&page=556
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "count": 17227,
    "next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=557",
    "previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=555",
    "results": [
        {
            "id": 401104199,
            "url": "https://lda.senate.gov/api/v1/registrants/401104199/?format=api",
            "house_registrant_id": null,
            "name": "STRATEGOS PUBLIC AFFAIRS",
            "description": "​Public affairs and business consultancy.",
            "address_1": "4320 W. Kennedy Blvd.",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Tampa",
            "state": "FL",
            "state_display": "Florida",
            "zip": "33609",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "KENNETH SWAB",
            "contact_telephone": "+1 202-546-1761",
            "dt_updated": "2026-01-27T10:34:33.595578-05:00"
        },
        {
            "id": 401108733,
            "url": "https://lda.senate.gov/api/v1/registrants/401108733/?format=api",
            "house_registrant_id": 56577,
            "name": "GENERAL CATALYST GROUP MANAGEMENT, LLC",
            "description": null,
            "address_1": "20 University Road",
            "address_2": "Suite 450",
            "address_3": null,
            "address_4": null,
            "city": "Cambridge",
            "state": "MA",
            "state_display": "Massachusetts",
            "zip": "02138",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "BOOMER DELL",
            "contact_telephone": "+1 310-623-2073",
            "dt_updated": "2026-01-27T10:35:33.384650-05:00"
        },
        {
            "id": 401105784,
            "url": "https://lda.senate.gov/api/v1/registrants/401105784/?format=api",
            "house_registrant_id": null,
            "name": "SIEMENS ENERGY, INC",
            "description": "Delivering energy products, solutions, and services",
            "address_1": "4400 N Alafaya Trail",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Orlando",
            "state": "FL",
            "state_display": "Florida",
            "zip": "32826",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "BRIAN RAYMOND",
            "contact_telephone": "+1 202-480-1391",
            "dt_updated": "2026-01-27T10:35:33.702611-05:00"
        },
        {
            "id": 401110167,
            "url": "https://lda.senate.gov/api/v1/registrants/401110167/?format=api",
            "house_registrant_id": 77338,
            "name": "AIR SPACE INTELLIGENCE INC.",
            "description": null,
            "address_1": "341 Newbury St",
            "address_2": "4th Floor",
            "address_3": null,
            "address_4": null,
            "city": "Boston",
            "state": "MA",
            "state_display": "Massachusetts",
            "zip": "02115",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "JAKE PROCTOR",
            "contact_telephone": "+1 205-913-8450",
            "dt_updated": "2026-01-27T10:38:33.506007-05:00"
        },
        {
            "id": 401105367,
            "url": "https://lda.senate.gov/api/v1/registrants/401105367/?format=api",
            "house_registrant_id": null,
            "name": "FREEDOM FROM RELIGION FOUNDATION",
            "description": "Separation of state and church; educate the public on matters relating to nontheism",
            "address_1": "1842 8th St. 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": "MARK DANN",
            "contact_telephone": "+1 202-549-3776",
            "dt_updated": "2026-01-27T10:44:34.098690-05:00"
        },
        {
            "id": 28390,
            "url": "https://lda.senate.gov/api/v1/registrants/28390/?format=api",
            "house_registrant_id": 31907,
            "name": "NATIONAL PTA",
            "description": "CEO, National PTA",
            "address_1": "1250 North Pitt 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 RORICK",
            "contact_telephone": "+1 571-329-9350",
            "dt_updated": "2026-01-27T10:45:33.736253-05:00"
        },
        {
            "id": 62778,
            "url": "https://lda.senate.gov/api/v1/registrants/62778/?format=api",
            "house_registrant_id": 35395,
            "name": "RICCHETTI INCORPORATED",
            "description": "Lobbying and consulting",
            "address_1": "601 13th Street, NW",
            "address_2": "Suite 830N",
            "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": "JEFF RICCHETTI",
            "contact_telephone": "+1 202-879-9382",
            "dt_updated": "2026-01-27T10:45:34.009702-05:00"
        },
        {
            "id": 401103415,
            "url": "https://lda.senate.gov/api/v1/registrants/401103415/?format=api",
            "house_registrant_id": null,
            "name": "CHILDREN'S HOSPITAL AND HEALTH SYSTEM, INC.",
            "description": "Independent health care system dedicated solely to the health and well-being of children",
            "address_1": "9000 W. Wisconsin Ave.",
            "address_2": "Suite 760",
            "address_3": null,
            "address_4": null,
            "city": "Milwaukee",
            "state": "WI",
            "state_display": "Wisconsin",
            "zip": "53226",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "LINDSAY PUNZENBERGER",
            "contact_telephone": "+1 202-486-7431",
            "dt_updated": "2026-01-27T10:53:34.265451-05:00"
        },
        {
            "id": 284050,
            "url": "https://lda.senate.gov/api/v1/registrants/284050/?format=api",
            "house_registrant_id": 36859,
            "name": "THE MADISON GROUP",
            "description": "Government Relations",
            "address_1": "1730 Pennsylvania Ave NW",
            "address_2": "Suite 375",
            "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": "MARISSA LORENZETTI",
            "contact_telephone": "+1 202-296-8686",
            "dt_updated": "2026-01-27T10:53:34.602671-05:00"
        },
        {
            "id": 401109821,
            "url": "https://lda.senate.gov/api/v1/registrants/401109821/?format=api",
            "house_registrant_id": 77157,
            "name": "CATALYST GLOBAL INSIGHTS LLC",
            "description": null,
            "address_1": "5000 THAYER CTR STE C",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Oakland",
            "state": "MD",
            "state_display": "Maryland",
            "zip": "21550",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "BRENDAN BARCELO",
            "contact_telephone": "+1 202-540-0484",
            "dt_updated": "2026-01-27T11:00:34.552115-05:00"
        },
        {
            "id": 401110330,
            "url": "https://lda.senate.gov/api/v1/registrants/401110330/?format=api",
            "house_registrant_id": null,
            "name": "PRISTINE WATERS ALLIANCE",
            "description": null,
            "address_1": "1911 W North A Street",
            "address_2": "na",
            "address_3": null,
            "address_4": null,
            "city": "Tampa",
            "state": "FL",
            "state_display": "Florida",
            "zip": "33606",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "KONSTANTINOS D TSOUPEIS",
            "contact_telephone": "+1 727-686-5291",
            "dt_updated": "2026-01-27T11:01:25.748877-05:00"
        },
        {
            "id": 401103309,
            "url": "https://lda.senate.gov/api/v1/registrants/401103309/?format=api",
            "house_registrant_id": null,
            "name": "NXP USA, INC.",
            "description": "Semiconductor design and manufacturing",
            "address_1": "6501 W William Cannon Dr.",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Austin",
            "state": "TX",
            "state_display": "Texas",
            "zip": "78735",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "KENNETH SCHRAMKO",
            "contact_telephone": "+1 202-754-4754",
            "dt_updated": "2026-01-27T11:02:34.568046-05:00"
        },
        {
            "id": 293038,
            "url": "https://lda.senate.gov/api/v1/registrants/293038/?format=api",
            "house_registrant_id": 37336,
            "name": "EXPERIAN NORTH AMERICA",
            "description": null,
            "address_1": "555 12th Street NW, Suite 504",
            "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": "ELIZABETH OESTERLE",
            "contact_telephone": "+1 202-572-8158",
            "dt_updated": "2026-01-27T11:04:35.109012-05:00"
        },
        {
            "id": 400526554,
            "url": "https://lda.senate.gov/api/v1/registrants/400526554/?format=api",
            "house_registrant_id": null,
            "name": "ARGUS MEDIA, INC.",
            "description": "Publishing company",
            "address_1": "2929 Allen Parkway",
            "address_2": "Suite 1800",
            "address_3": null,
            "address_4": null,
            "city": "Houston",
            "state": "TX",
            "state_display": "Texas",
            "zip": "77019",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "RACHEL HOSCH",
            "contact_telephone": "+1 281-645-3565",
            "dt_updated": "2026-01-27T11:06:35.209865-05:00"
        },
        {
            "id": 401105815,
            "url": "https://lda.senate.gov/api/v1/registrants/401105815/?format=api",
            "house_registrant_id": null,
            "name": "KH STRATEGIES",
            "description": "Government relations",
            "address_1": "1601 Jettys Reach",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Wilmington",
            "state": "NC",
            "state_display": "North Carolina",
            "zip": "28409",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "KEITH SMITH",
            "contact_telephone": "+1 202-212-9735",
            "dt_updated": "2026-01-27T11:10:34.825308-05:00"
        },
        {
            "id": 401105638,
            "url": "https://lda.senate.gov/api/v1/registrants/401105638/?format=api",
            "house_registrant_id": null,
            "name": "H&M STRATEGIES LLP",
            "description": "Government Affairs consulting firm",
            "address_1": "4948 Eskridge Terrace NW",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Washington",
            "state": "DC",
            "state_display": "District of Columbia",
            "zip": "20016",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "NICOLE MORTIER",
            "contact_telephone": "+1 202-322-8070",
            "dt_updated": "2026-01-27T11:10:34.897973-05:00"
        },
        {
            "id": 400454181,
            "url": "https://lda.senate.gov/api/v1/registrants/400454181/?format=api",
            "house_registrant_id": null,
            "name": "MR. MARK REY",
            "description": "Government relations consulting firm",
            "address_1": "4418 Albemarle Street, NW",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Washington",
            "state": "DC",
            "state_display": "District of Columbia",
            "zip": "20016",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "MARK REY",
            "contact_telephone": "+1 202-669-9902",
            "dt_updated": "2026-01-27T11:11:34.786963-05:00"
        },
        {
            "id": 9066,
            "url": "https://lda.senate.gov/api/v1/registrants/9066/?format=api",
            "house_registrant_id": 31542,
            "name": "CHILDREN'S HOSPITAL BOSTON",
            "description": "Health care",
            "address_1": "300 LONGWOOD AVE.",
            "address_2": null,
            "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": "JOSHUA GREENBERG",
            "contact_telephone": "+1 617-919-3055",
            "dt_updated": "2026-01-27T11:11:34.974896-05:00"
        },
        {
            "id": 401104042,
            "url": "https://lda.senate.gov/api/v1/registrants/401104042/?format=api",
            "house_registrant_id": null,
            "name": "ARISTOTLE INTERNATIONAL, INC.",
            "description": "Political campaign technology and services.",
            "address_1": "205 Pennsylvania Avenue, 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": "JUSTIN PHILLIPS",
            "contact_telephone": "+1 202-543-8345",
            "dt_updated": "2026-01-27T11:13:35.025074-05:00"
        },
        {
            "id": 10228,
            "url": "https://lda.senate.gov/api/v1/registrants/10228/?format=api",
            "house_registrant_id": 34035,
            "name": "COMMUNITY ASSOCIATIONS INSTITUTE",
            "description": "Trade association advocacy and government relations.",
            "address_1": "6402 Arlington Blvd.",
            "address_2": "Suite 500",
            "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": "DAWN BAUMAN",
            "contact_telephone": "+1 888-224-4321",
            "dt_updated": "2026-01-27T11:14:35.129258-05:00"
        },
        {
            "id": 22438,
            "url": "https://lda.senate.gov/api/v1/registrants/22438/?format=api",
            "house_registrant_id": 30779,
            "name": "LEDGE COUNSEL, INC.",
            "description": "Government Relations and Strategic Consulting",
            "address_1": "4958 Butterworth Place NW",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Washington",
            "state": "DC",
            "state_display": "District of Columbia",
            "zip": "20016",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "ALAN LOPATIN",
            "contact_telephone": "+1 202-487-4800",
            "dt_updated": "2026-01-27T11:15:31.334469-05:00"
        },
        {
            "id": 401105277,
            "url": "https://lda.senate.gov/api/v1/registrants/401105277/?format=api",
            "house_registrant_id": null,
            "name": "APPALACHIAN TRAIL CONSERVANCY",
            "description": "Conservation non-profit, manager of the Appalachian Trail, and outdoor recreation org.",
            "address_1": "799 Washington Street",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "Harper's Ferry",
            "state": "WV",
            "state_display": "West Virginia",
            "zip": "25425",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "BRENDAN MYSLIWIEC",
            "contact_telephone": "+1 347-661-8860",
            "dt_updated": "2026-01-27T11:15:31.484793-05:00"
        },
        {
            "id": 401109484,
            "url": "https://lda.senate.gov/api/v1/registrants/401109484/?format=api",
            "house_registrant_id": 76979,
            "name": "TERADYNE INC.",
            "description": null,
            "address_1": "600 Riverpark Dr",
            "address_2": null,
            "address_3": null,
            "address_4": null,
            "city": "North Reading",
            "state": "MA",
            "state_display": "Massachusetts",
            "zip": "01864",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "JOE PASETTI",
            "contact_telephone": "+1 978-370-2700",
            "dt_updated": "2026-01-27T11:17:35.042913-05:00"
        },
        {
            "id": 21313,
            "url": "https://lda.senate.gov/api/v1/registrants/21313/?format=api",
            "house_registrant_id": 32076,
            "name": "KELLER AND HECKMAN, LLP",
            "description": "Law firm",
            "address_1": "1001 G Street, NW",
            "address_2": "Suite 500W",
            "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": "DAVID FISCHER",
            "contact_telephone": "+1 202-434-4224",
            "dt_updated": "2026-01-27T11:18:35.640295-05:00"
        },
        {
            "id": 401104613,
            "url": "https://lda.senate.gov/api/v1/registrants/401104613/?format=api",
            "house_registrant_id": null,
            "name": "THE GUTMAN GROUP, LLC",
            "description": "Global consulting, investment and transactional firm",
            "address_1": "10 Venetian Way",
            "address_2": "703",
            "address_3": null,
            "address_4": null,
            "city": "Miami Beach",
            "state": "FL",
            "state_display": "Florida",
            "zip": "33139",
            "country": "US",
            "country_display": "United States of America",
            "ppb_country": "US",
            "ppb_country_display": "United States of America",
            "contact_name": "CHRIS ASHBY",
            "contact_telephone": "+1 202-281-5463",
            "dt_updated": "2026-01-27T11:18:35.721850-05:00"
        }
    ]
}