HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 17236,
"next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=name&page=534",
"previous": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=name&page=532",
"results": [
{
"id": 401105056,
"url": "https://lda.senate.gov/api/v1/registrants/401105056/?format=api",
"house_registrant_id": null,
"name": "ROOSTER LLC",
"description": "Consulting",
"address_1": "870 Market Street, Suite 988",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "San Francisco",
"state": "CA",
"state_display": "California",
"zip": "94102",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "PATRICK BRENNAN",
"contact_telephone": "+1 202-738-7722",
"dt_updated": "2024-10-21T18:00:45.217044-04:00"
},
{
"id": 401109408,
"url": "https://lda.senate.gov/api/v1/registrants/401109408/?format=api",
"house_registrant_id": 76923,
"name": "ROOTED STRATEGY & POLICY",
"description": null,
"address_1": "311 E Lorraine Ave",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Baltimore",
"state": "MD",
"state_display": "Maryland",
"zip": "21218",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "CRISTEL ZOEBISCH",
"contact_telephone": "+1 713-261-2223",
"dt_updated": "2026-03-05T11:55:00.939680-05:00"
},
{
"id": 400713142,
"url": "https://lda.senate.gov/api/v1/registrants/400713142/?format=api",
"house_registrant_id": null,
"name": "ROOTS & ASSOCIATES",
"description": "Representing clients on federal government relations issues",
"address_1": "617 Utterback Store Road",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Great Falls",
"state": "VA",
"state_display": "Virginia",
"zip": "22066",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JOHN ROOTS",
"contact_telephone": "+1 703-421-0288",
"dt_updated": "2022-04-06T16:07:58.098938-04:00"
},
{
"id": 33682,
"url": "https://lda.senate.gov/api/v1/registrants/33682/?format=api",
"house_registrant_id": 30720,
"name": "ROPES & GRAY, LLP",
"description": "law firm",
"address_1": "800 Boylston Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Boston",
"state": "MA",
"state_display": "Massachusetts",
"zip": "02199",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "LYNNE C. SOUTTER",
"contact_telephone": "+1 617-951-7358",
"dt_updated": "2026-01-27T12:35:38.769314-05:00"
},
{
"id": 400324521,
"url": "https://lda.senate.gov/api/v1/registrants/400324521/?format=api",
"house_registrant_id": 40318,
"name": "ROQ STRATEGIES, LLC",
"description": "Public Affairs Firm",
"address_1": "444 N. Capitol St.",
"address_2": "Ste. 382-B",
"address_3": null,
"address_4": null,
"city": "Washington",
"state": "DC",
"state_display": "District of Columbia",
"zip": "22202",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "DARRELL HENRY",
"contact_telephone": "",
"dt_updated": "2022-04-06T16:06:59.211790-04:00"
},
{
"id": 33693,
"url": "https://lda.senate.gov/api/v1/registrants/33693/?format=api",
"house_registrant_id": null,
"name": "ROQUES-ARROYO ELISEO",
"description": null,
"address_1": "UNDETERMINED",
"address_2": null,
"address_3": null,
"address_4": null,
"city": null,
"state": "DC",
"state_display": "District of Columbia",
"zip": "0",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:51:00.270883-05:00"
},
{
"id": 401108114,
"url": "https://lda.senate.gov/api/v1/registrants/401108114/?format=api",
"house_registrant_id": 56330,
"name": "ROSALIND FRANKLIN UNIVERSITY OF MEDICINE AND SCIENCE",
"description": null,
"address_1": "3333 Green Bay Road",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "North Chicago",
"state": "IL",
"state_display": "Illinois",
"zip": "60064",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "NICOLAOS KALLIERIS",
"contact_telephone": "+1 224-570-7396",
"dt_updated": "2026-03-09T11:22:04.555747-04:00"
},
{
"id": 401108257,
"url": "https://lda.senate.gov/api/v1/registrants/401108257/?format=api",
"house_registrant_id": 56389,
"name": "ROSALYNN CARTER INSTITUTE FOR CAREGIVERS (FKA ROSALYNN CARTER INSTITUTE FOR CAREGIVING)",
"description": null,
"address_1": "800 GSW State University Dr,",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Americus",
"state": "GA",
"state_display": "Georgia",
"zip": "31709",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "KARL BOND",
"contact_telephone": "+1 229-928-1234",
"dt_updated": "2025-08-20T17:43:23.649825-04:00"
},
{
"id": 33705,
"url": "https://lda.senate.gov/api/v1/registrants/33705/?format=api",
"house_registrant_id": null,
"name": "ROSAPEPE & SPANOS",
"description": null,
"address_1": "UNDETERMINED",
"address_2": null,
"address_3": null,
"address_4": null,
"city": null,
"state": "DC",
"state_display": "District of Columbia",
"zip": "0",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:51:09.631581-05:00"
},
{
"id": 401103323,
"url": "https://lda.senate.gov/api/v1/registrants/401103323/?format=api",
"house_registrant_id": 42606,
"name": "ROSCOE BARTLETT & ASSOCIATES LLC",
"description": "Government Relations Consulting",
"address_1": "4317 Buckeystown Pike",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Frederick",
"state": "MD",
"state_display": "Maryland",
"zip": "21704",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "MARK W. WARD",
"contact_telephone": "+1 888-658-8484",
"dt_updated": "2022-04-06T16:07:00.912865-04:00"
},
{
"id": 310836,
"url": "https://lda.senate.gov/api/v1/registrants/310836/?format=api",
"house_registrant_id": 38636,
"name": "ROSCOMMON INTERNATIONAL",
"description": "Government Affairs",
"address_1": "Two Bala Plaza",
"address_2": "Suite 300",
"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": "MR. SEAN M. REILLY",
"contact_telephone": "+1 215-620-0216",
"dt_updated": "2022-04-06T16:07:01.072870-04:00"
},
{
"id": 33727,
"url": "https://lda.senate.gov/api/v1/registrants/33727/?format=api",
"house_registrant_id": 32213,
"name": "ROSE COMMUNICATIONS INC.",
"description": "Media, communications, management and advocacy",
"address_1": "1100 H STREET, NW, #800",
"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": "MR. ROBERT ROSE",
"contact_telephone": "",
"dt_updated": "2022-04-06T16:06:13.439917-04:00"
},
{
"id": 401104180,
"url": "https://lda.senate.gov/api/v1/registrants/401104180/?format=api",
"house_registrant_id": null,
"name": "ROSE GARR",
"description": "Environmental advocacy",
"address_1": "1236 Duncan Pl NE",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Washington",
"state": "DC",
"state_display": "District of Columbia",
"zip": "20002-2000",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ROSE GARR",
"contact_telephone": "+1 425-830-2973",
"dt_updated": "2022-04-06T16:06:26.865932-04:00"
},
{
"id": 401108156,
"url": "https://lda.senate.gov/api/v1/registrants/401108156/?format=api",
"house_registrant_id": 56367,
"name": "ROSE GROUP ADVISORS",
"description": null,
"address_1": "120 East 4th Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Little Rock",
"state": "AR",
"state_display": "Arkansas",
"zip": "72207",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "C. CHAD CAUSEY",
"contact_telephone": "+1 870-530-1446",
"dt_updated": "2026-01-12T17:31:10.527278-05:00"
},
{
"id": 33716,
"url": "https://lda.senate.gov/api/v1/registrants/33716/?format=api",
"house_registrant_id": 33899,
"name": "ROSE & HEFNER CONSULTING CO.",
"description": "consulting and lobbying for clients before the US Congress",
"address_1": "PO BOX 235",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "CEDAR SPRINGS",
"state": "GA",
"state_display": "Georgia",
"zip": "39832-0235",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "CHARLES ROSE",
"contact_telephone": "+1 229-372-4636",
"dt_updated": "2022-04-06T16:07:01.683599-04:00"
},
{
"id": 78870,
"url": "https://lda.senate.gov/api/v1/registrants/78870/?format=api",
"house_registrant_id": 36198,
"name": "ROSE LAW FIRM, A PROFESSIONAL ASSOCIATION",
"description": "Law Firm",
"address_1": "120 E. Fourth Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Little Rock",
"state": "AR",
"state_display": "Arkansas",
"zip": "72201-2893",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "JACOB WHITE",
"contact_telephone": "+1 501-377-0421",
"dt_updated": "2022-04-06T16:06:19.898199-04:00"
},
{
"id": 401015868,
"url": "https://lda.senate.gov/api/v1/registrants/401015868/?format=api",
"house_registrant_id": null,
"name": "ROSE LAW GROUP, P.C.",
"description": "Law firm in Scottsdale Arizona.",
"address_1": "7144 E Stetson Drive",
"address_2": "Suite 300",
"address_3": null,
"address_4": null,
"city": "Scottsdale",
"state": "AZ",
"state_display": "Arizona",
"zip": "85251",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "THOMAS GALVIN",
"contact_telephone": "+1 480-240-5651",
"dt_updated": "2023-06-06T16:25:14.789449-04:00"
},
{
"id": 314990,
"url": "https://lda.senate.gov/api/v1/registrants/314990/?format=api",
"house_registrant_id": 39174,
"name": "ROSEMARY MURRAY",
"description": null,
"address_1": "2108 Wilkinson Place",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Alexandria",
"state": "VA",
"state_display": "Virginia",
"zip": "22306",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "ROSEMARY MURRAY",
"contact_telephone": "+1 703-660-1010",
"dt_updated": "2022-04-06T16:07:56.309003-04:00"
},
{
"id": 400498457,
"url": "https://lda.senate.gov/api/v1/registrants/400498457/?format=api",
"house_registrant_id": null,
"name": "ROSEMONT ASSOCIATES, LLC",
"description": "Business Consulting",
"address_1": "3140 Ocean Blvd. Unit 205N",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Palm Beach",
"state": "NJ",
"state_display": "New Jersey",
"zip": "33480",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "SEAN JACKSON",
"contact_telephone": "+1 609-468-8835",
"dt_updated": "2026-01-20T20:42:48.306990-05:00"
},
{
"id": 401103700,
"url": "https://lda.senate.gov/api/v1/registrants/401103700/?format=api",
"house_registrant_id": null,
"name": "ROSEMONT GROUP",
"description": "government affairs consulting",
"address_1": "1537 T Street NW",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "WASHINGTON",
"state": "DC",
"state_display": "District of Columbia",
"zip": "20009",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "KYLE MULHALL",
"contact_telephone": "+1 301-502-7102",
"dt_updated": "2026-03-05T10:53:57.496263-05:00"
},
{
"id": 401104913,
"url": "https://lda.senate.gov/api/v1/registrants/401104913/?format=api",
"house_registrant_id": null,
"name": "ROSEMONT STRATEGIES",
"description": "Consulting",
"address_1": "316 Pennsylvania avenue, SE #501",
"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": "SCOTT BRENNER",
"contact_telephone": "+1 202-222-8825",
"dt_updated": "2022-04-06T16:06:46.221019-04:00"
},
{
"id": 45174,
"url": "https://lda.senate.gov/api/v1/registrants/45174/?format=api",
"house_registrant_id": null,
"name": "ROSENBAUM, ALBERT B.",
"description": null,
"address_1": "3301 MILLCROSS CT",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "OAKTON",
"state": "VA",
"state_display": "Virginia",
"zip": "22124",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "",
"contact_telephone": "",
"dt_updated": "2022-01-13T14:52:28.618286-05:00"
},
{
"id": 401103285,
"url": "https://lda.senate.gov/api/v1/registrants/401103285/?format=api",
"house_registrant_id": 42574,
"name": "ROSENBERG POLICY ASSOCIATES",
"description": "Consulting firm",
"address_1": "5448 Nevada Ave. NW",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Washington",
"state": "DC",
"state_display": "District of Columbia",
"zip": "20015",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "LISA ROSENBERG",
"contact_telephone": "+1 202-360-7895",
"dt_updated": "2022-04-06T16:07:02.468283-04:00"
},
{
"id": 33740,
"url": "https://lda.senate.gov/api/v1/registrants/33740/?format=api",
"house_registrant_id": 33900,
"name": "ROSENMAN & COLIN",
"description": null,
"address_1": "1300 19TH ST NW",
"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": "2022-01-13T14:51:24.256880-05:00"
},
{
"id": 60572,
"url": "https://lda.senate.gov/api/v1/registrants/60572/?format=api",
"house_registrant_id": 35360,
"name": "ROSENTHAL & ASSOCIATES",
"description": "Native American issues",
"address_1": "5318 32nd Street, North",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22207",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "LARRY ROSENTHAL",
"contact_telephone": "+1 202-256-9472",
"dt_updated": "2024-12-04T09:10:09.613899-05:00"
}
]
}