HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17229,
"next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=544",
"previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=dt_updated&page=542",
"results": [
{
"id": 401104412,
"url": "https://lda.senate.gov/api/v1/registrants/401104412/?format=api",
"house_registrant_id": null,
"name": "THE INSTITUTE OF INTERNAL AUDITORS",
"description": "Member association representing the internal audit profession.",
"address_1": "1035 Greenwood Blvd, Suite 401",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Lake Mary",
"state": "FL",
"state_display": "Florida",
"zip": "32746",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MICHAEL DOWNING",
"contact_telephone": "+1 407-937-1319",
"dt_updated": "2026-01-23T14:04:21.736469-05:00"
},
{
"id": 51571,
"url": "https://lda.senate.gov/api/v1/registrants/51571/?format=api",
"house_registrant_id": 34882,
"name": "UNIVERSITY OF ALASKA",
"description": "Public Education and Research University",
"address_1": "444 North Capitol Street NW",
"address_2": "Suite 334",
"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 LATINI",
"contact_telephone": "+1 202-253-4691",
"dt_updated": "2026-01-23T14:07:21.605344-05:00"
},
{
"id": 27902,
"url": "https://lda.senate.gov/api/v1/registrants/27902/?format=api",
"house_registrant_id": 32127,
"name": "COMMODITY MARKETS COUNCIL",
"description": null,
"address_1": "1300 L STREET, NW, #1020",
"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": "ALLYSON DEL ROSARIO",
"contact_telephone": "+1 202-842-0400",
"dt_updated": "2026-01-23T14:08:21.995131-05:00"
},
{
"id": 17374,
"url": "https://lda.senate.gov/api/v1/registrants/17374/?format=api",
"house_registrant_id": 32303,
"name": "HALLIBURTON COMPANY",
"description": "Energy",
"address_1": "3000 N Sam Houstom Pkwy E",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Houston",
"state": "TX",
"state_display": "Texas",
"zip": "77032",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "TODD ENNENGA",
"contact_telephone": "+1 281-871-2690",
"dt_updated": "2026-01-23T14:09:22.055885-05:00"
},
{
"id": 36140,
"url": "https://lda.senate.gov/api/v1/registrants/36140/?format=api",
"house_registrant_id": 31200,
"name": "EDISON INTERNATIONAL",
"description": "Lobbying",
"address_1": "1225 New York Avenue NW",
"address_2": "Suite 900",
"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": "CARY DAVIDSON",
"contact_telephone": "+1 213-402-4572",
"dt_updated": "2026-01-23T14:27:22.795227-05:00"
},
{
"id": 304315,
"url": "https://lda.senate.gov/api/v1/registrants/304315/?format=api",
"house_registrant_id": 37962,
"name": "POTOMAC PARTNERS DC",
"description": "Consulting",
"address_1": "700 Pennsylvania Ave",
"address_2": "Suite 320",
"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": "RICHARD ALCALDE",
"contact_telephone": "+1 202-544-4848",
"dt_updated": "2026-01-23T14:29:22.779744-05:00"
},
{
"id": 401105984,
"url": "https://lda.senate.gov/api/v1/registrants/401105984/?format=api",
"house_registrant_id": null,
"name": "FORTINET, INC.",
"description": "Network security products and services",
"address_1": "899 Kifer Road",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Sunnyvale",
"state": "CA",
"state_display": "California",
"zip": "94086",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "DAVID MASON",
"contact_telephone": "+1 202-553-7303",
"dt_updated": "2026-01-23T14:30:23.130333-05:00"
},
{
"id": 310095,
"url": "https://lda.senate.gov/api/v1/registrants/310095/?format=api",
"house_registrant_id": 38678,
"name": "ULMAN PUBLIC POLICY & FEDERAL RELATIONS",
"description": "Lobbying firm",
"address_1": "1775 Tysons Blvd",
"address_2": "Fifth Floor",
"address_3": null,
"address_4": null,
"city": "Tysons",
"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": "JOSH ULMAN",
"contact_telephone": "+1 202-642-1970",
"dt_updated": "2026-01-23T14:35:23.486072-05:00"
},
{
"id": 57338,
"url": "https://lda.senate.gov/api/v1/registrants/57338/?format=api",
"house_registrant_id": 35217,
"name": "MOTORCYCLE INDUSTRY COUNCIL",
"description": null,
"address_1": "1235 SOUTH CLARK STREET, #600",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "ARLINGTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22202",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "SCOTT SCHLOEGEL",
"contact_telephone": "+1 703-416-0444",
"dt_updated": "2026-01-23T14:40:23.527848-05:00"
},
{
"id": 401106288,
"url": "https://lda.senate.gov/api/v1/registrants/401106288/?format=api",
"house_registrant_id": null,
"name": "TRELLIX (FORMERLY MUSARUBA US LLC)",
"description": "COMPUTER SECURITY",
"address_1": "1640 BORO PLACE",
"address_2": "SUITE 300",
"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": "THOMAS GANN",
"contact_telephone": "+1 301-613-3966",
"dt_updated": "2026-01-23T14:44:23.896950-05:00"
},
{
"id": 248,
"url": "https://lda.senate.gov/api/v1/registrants/248/?format=api",
"house_registrant_id": 33944,
"name": "ADVANTAGE ASSOCIATES INTERNATIONAL",
"description": "Defence finding",
"address_1": "124 Eareckson",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Stevensville",
"state": "MD",
"state_display": "Maryland",
"zip": "21666",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "BILL SARPALIUS",
"contact_telephone": "+1 202-438-1900",
"dt_updated": "2026-01-23T14:45:24.104842-05:00"
},
{
"id": 34375,
"url": "https://lda.senate.gov/api/v1/registrants/34375/?format=api",
"house_registrant_id": 32695,
"name": "MR. BILL SARPALIUS",
"description": null,
"address_1": "124 Eareckson Lane",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Stevensville",
"state": "MD",
"state_display": "Maryland",
"zip": "21666",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "BILL SARPALIUS",
"contact_telephone": "+1 202-438-1900",
"dt_updated": "2026-01-23T14:51:24.292537-05:00"
},
{
"id": 21676,
"url": "https://lda.senate.gov/api/v1/registrants/21676/?format=api",
"house_registrant_id": 32855,
"name": "KINGHORN, HILBERT & ASSOCIATES",
"description": "Government consulting, lobbying, and association management.",
"address_1": "715 Harness Creek View Dr",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Annapolis",
"state": "MD",
"state_display": "Maryland",
"zip": "21403",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JOHN HILBERT",
"contact_telephone": "+1 202-251-3200",
"dt_updated": "2026-01-23T14:53:24.342530-05:00"
},
{
"id": 83114,
"url": "https://lda.senate.gov/api/v1/registrants/83114/?format=api",
"house_registrant_id": 36400,
"name": "ADVOCATE AURORA HEALTH, INC.",
"description": "Health Care",
"address_1": "2025 Windsor Drive",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Oak Brook",
"state": "IL",
"state_display": "Illinois",
"zip": "60523",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MEGHAN WOLTMAN",
"contact_telephone": "+1 414-647-3486",
"dt_updated": "2026-01-23T14:54:24.594254-05:00"
},
{
"id": 401104955,
"url": "https://lda.senate.gov/api/v1/registrants/401104955/?format=api",
"house_registrant_id": null,
"name": "SUMITOMO CORPORATION OF AMERICAS",
"description": "Integrated trading/investment related to various products/industries",
"address_1": "815 Connecticut Ave, NW",
"address_2": "Suite 220",
"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": "JAMES WINSLOW",
"contact_telephone": "+1 202-785-9210",
"dt_updated": "2026-01-23T14:54:24.652023-05:00"
},
{
"id": 317914,
"url": "https://lda.senate.gov/api/v1/registrants/317914/?format=api",
"house_registrant_id": 39343,
"name": "SECURITIES INDUSTRY AND FINANCIAL MARKETS ASSOCIATION",
"description": null,
"address_1": "1099 New York Ave. NW",
"address_2": "6th Floor",
"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": "KENNETH E. BENTSEN, JR.",
"contact_telephone": "+1 202-962-7300",
"dt_updated": "2026-01-23T14:55:24.405197-05:00"
},
{
"id": 37948,
"url": "https://lda.senate.gov/api/v1/registrants/37948/?format=api",
"house_registrant_id": 30561,
"name": "TEXTRON INC.",
"description": null,
"address_1": "1101 PENNSYLVANIA AVENUE, NW, #400",
"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": "MARY C. MURPHY",
"contact_telephone": "+1 703-637-3818",
"dt_updated": "2026-01-23T14:56:24.677778-05:00"
},
{
"id": 67934,
"url": "https://lda.senate.gov/api/v1/registrants/67934/?format=api",
"house_registrant_id": 35700,
"name": "SCAN HEALTH PLAN",
"description": "SCAN Health Plan is a Medicare Advantage HMO.",
"address_1": "3800 KILROY AIRPORT WAY, #100",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "LONG BEACH",
"state": "CA",
"state_display": "California",
"zip": "90806",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "DONNA HOWARD",
"contact_telephone": "+1 202-733-8687",
"dt_updated": "2026-01-23T15:01:24.603567-05:00"
},
{
"id": 400269232,
"url": "https://lda.senate.gov/api/v1/registrants/400269232/?format=api",
"house_registrant_id": 40082,
"name": "SECURING AMERICA'S FUTURE ENERGY ALLIANCE",
"description": "non-profit organization promoting energy security",
"address_1": "1111 19th St. NW",
"address_2": "Suite 406",
"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": "JACQUELYN BURMAN",
"contact_telephone": "+1 202-461-2366",
"dt_updated": "2026-01-23T15:03:25.342862-05:00"
},
{
"id": 401109470,
"url": "https://lda.senate.gov/api/v1/registrants/401109470/?format=api",
"house_registrant_id": 76971,
"name": "GRINDR LLC",
"description": null,
"address_1": "750 N. San Vicente Blvd.",
"address_2": "Suite RE 1400",
"address_3": null,
"address_4": null,
"city": "West Hollywood",
"state": "CA",
"state_display": "California",
"zip": "90069",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JOSEPH HACK",
"contact_telephone": "+1 908-418-1883",
"dt_updated": "2026-01-23T15:06:25.077984-05:00"
},
{
"id": 401108731,
"url": "https://lda.senate.gov/api/v1/registrants/401108731/?format=api",
"house_registrant_id": 56579,
"name": "ANYWHERE REAL ESTATE INC.",
"description": null,
"address_1": "175 Park Ave.",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Madison",
"state": "NJ",
"state_display": "New Jersey",
"zip": "07940",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "REBECCA TALLENT",
"contact_telephone": "+1 703-501-2436",
"dt_updated": "2026-01-23T15:15:30.886198-05:00"
},
{
"id": 81214,
"url": "https://lda.senate.gov/api/v1/registrants/81214/?format=api",
"house_registrant_id": 36280,
"name": "PURDUE PHARMA, LP",
"description": null,
"address_1": "201 Tresser Blvd",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Stamford",
"state": "CT",
"state_display": "Connecticut",
"zip": "06901",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ROBERT MCELDERRY",
"contact_telephone": "+1 203-588-7129",
"dt_updated": "2026-01-23T15:19:25.790001-05:00"
},
{
"id": 308070,
"url": "https://lda.senate.gov/api/v1/registrants/308070/?format=api",
"house_registrant_id": 38403,
"name": "THE WESSEL GROUP INCORPORATED",
"description": "Consulting services on public policy and political affairs",
"address_1": "1101 17th Street NW",
"address_2": "Suite 400",
"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": "MICHAEL WESSEL",
"contact_telephone": "+1 202-293-8899",
"dt_updated": "2026-01-23T15:20:26.306155-05:00"
},
{
"id": 12391,
"url": "https://lda.senate.gov/api/v1/registrants/12391/?format=api",
"house_registrant_id": 31866,
"name": "DISTILLED SPIRITS COUNCIL OF THE U.S., INC.",
"description": null,
"address_1": "1250 Eye Street, N.W. #400",
"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": "JACK THOMPSON",
"contact_telephone": "+1 225-921-9458",
"dt_updated": "2026-01-23T15:32:26.698389-05:00"
},
{
"id": 401105247,
"url": "https://lda.senate.gov/api/v1/registrants/401105247/?format=api",
"house_registrant_id": null,
"name": "THE NONPROFIT ALLIANCE",
"description": "An association to promote, protect, and strengthen the philanthropic sector",
"address_1": "1319 \"F\" Street, NW",
"address_2": "Suite 700",
"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 ANN HOLLINGSWORTH",
"contact_telephone": "+1 202-516-5886",
"dt_updated": "2026-01-23T15:33:26.905055-05:00"
}
]
}