HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept
{
"count": 130239,
"next": "https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=15",
"previous": "https://lda.senate.gov/api/v1/clients/?format=api&ordering=name&page=13",
"results": [
{
"id": 152758,
"url": "https://lda.senate.gov/api/v1/clients/152758/?format=api",
"client_id": 393,
"name": "4G AMERICAS (F/K/A 3G AMERICAS LLC)",
"general_description": "Trade association promoting GSM family of wireless standards.",
"client_government_entity": false,
"client_self_select": null,
"state": "WA",
"state_display": "Washington",
"country": "US",
"country_display": "United States of America",
"ppb_state": "WA",
"ppb_state_display": "Washington",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2014-05-12",
"registrant": {
"id": 42865,
"url": "https://lda.senate.gov/api/v1/registrants/42865/?format=api",
"house_registrant_id": 34067,
"name": "HWG LLP (F/K/A HARRIS, WILTSHIRE & GRANNIS LLP)",
"description": "Law firm.",
"address_1": "1919 M Street, Suite 800",
"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": "WILLIAM WILTSHIRE",
"contact_telephone": "+1 202-730-1350",
"dt_updated": "2025-07-30T14:01:59.606160-04:00"
}
},
{
"id": 63886,
"url": "https://lda.senate.gov/api/v1/clients/63886/?format=api",
"client_id": 63886,
"name": "4IG",
"general_description": "ICT, aerospace",
"client_government_entity": null,
"client_self_select": false,
"state": null,
"state_display": null,
"country": "HU",
"country_display": "Hungary",
"ppb_state": null,
"ppb_state_display": null,
"ppb_country": "HU",
"ppb_country_display": "Hungary",
"effective_date": "2025-01-21",
"registrant": {
"id": 401107294,
"url": "https://lda.senate.gov/api/v1/registrants/401107294/?format=api",
"house_registrant_id": null,
"name": "VALCOUR LLC",
"description": null,
"address_1": "1455 Pennsylvania Avenue",
"address_2": "Suite 640",
"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": "MATT MOWERS",
"contact_telephone": "+1 202-600-7791",
"dt_updated": "2025-07-28T15:09:39.771400-04:00"
}
},
{
"id": 52663,
"url": "https://lda.senate.gov/api/v1/clients/52663/?format=api",
"client_id": 52663,
"name": "4MOMS",
"general_description": "Manufacturer of baby products",
"client_government_entity": null,
"client_self_select": false,
"state": "PA",
"state_display": "Pennsylvania",
"country": "US",
"country_display": "United States of America",
"ppb_state": "PA",
"ppb_state_display": "Pennsylvania",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2022-08-11",
"registrant": {
"id": 25603,
"url": "https://lda.senate.gov/api/v1/registrants/25603/?format=api",
"house_registrant_id": 33962,
"name": "ML STRATEGIES, LLC",
"description": "Government relations consulting firm",
"address_1": "555 12th Street NW",
"address_2": "Suite 1100",
"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": "KENISHA RUSSELL",
"contact_telephone": "+1 202-434-7310",
"dt_updated": "2025-07-30T09:41:58.070457-04:00"
}
},
{
"id": 105639,
"url": "https://lda.senate.gov/api/v1/clients/105639/?format=api",
"client_id": 1001909,
"name": "4SC",
"general_description": "Pharmaceutical Reserach and Development",
"client_government_entity": false,
"client_self_select": false,
"state": null,
"state_display": null,
"country": "",
"country_display": "* Undetermined",
"ppb_state": null,
"ppb_state_display": null,
"ppb_country": "",
"ppb_country_display": "* Undetermined",
"effective_date": "2007-10-18",
"registrant": {
"id": 5153,
"url": "https://lda.senate.gov/api/v1/registrants/5153/?format=api",
"house_registrant_id": 30873,
"name": "BAKER DONELSON BEARMAN CALDWELL & BERKOWITZ /THE DASCHLE GROUP",
"description": "Law firm",
"address_1": "901 K Street NW",
"address_2": "Suite 900",
"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": "DUANE HANECKOW",
"contact_telephone": "+1 202-508-3400",
"dt_updated": "2025-07-23T15:58:41.911380-04:00"
}
},
{
"id": 64174,
"url": "https://lda.senate.gov/api/v1/clients/64174/?format=api",
"client_id": 64174,
"name": "4SIGHT LABS",
"general_description": "Manufacturing and technology",
"client_government_entity": null,
"client_self_select": false,
"state": "CA",
"state_display": "California",
"country": "US",
"country_display": "United States of America",
"ppb_state": "CA",
"ppb_state_display": "California",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2024-12-02",
"registrant": {
"id": 401105868,
"url": "https://lda.senate.gov/api/v1/registrants/401105868/?format=api",
"house_registrant_id": 401105868,
"name": "THOMAS MARQUEZ",
"description": "Consulting/Government Affairs",
"address_1": "PO Box 409",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Grapevine",
"state": "TX",
"state_display": "Texas",
"zip": "76099",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "THOMAS MARQUEZ",
"contact_telephone": "+1 619-647-4668",
"dt_updated": "2025-08-19T12:19:39.726303-04:00"
}
},
{
"id": 170541,
"url": "https://lda.senate.gov/api/v1/clients/170541/?format=api",
"client_id": 1003492,
"name": "4S-SILVERSWORD SOFTWARE AND SERVICES",
"general_description": "Technology solutions",
"client_government_entity": false,
"client_self_select": null,
"state": "MD",
"state_display": "Maryland",
"country": "US",
"country_display": "United States of America",
"ppb_state": "MD",
"ppb_state_display": "Maryland",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2020-01-01",
"registrant": {
"id": 79175,
"url": "https://lda.senate.gov/api/v1/registrants/79175/?format=api",
"house_registrant_id": 37196,
"name": "STRATEGIES 360",
"description": "Government affairs",
"address_1": "601 New Jersey Ave. NW",
"address_2": "Suite 250",
"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": "ANDY WINER",
"contact_telephone": "+1 202-333-2234",
"dt_updated": "2025-07-02T15:26:16.142848-04:00"
}
},
{
"id": 160690,
"url": "https://lda.senate.gov/api/v1/clients/160690/?format=api",
"client_id": 202,
"name": "4-U CORP",
"general_description": "Construction and Sal of Modular Homes",
"client_government_entity": false,
"client_self_select": null,
"state": "NJ",
"state_display": "New Jersey",
"country": "US",
"country_display": "United States of America",
"ppb_state": "NJ",
"ppb_state_display": "New Jersey",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2016-04-01",
"registrant": {
"id": 58693,
"url": "https://lda.senate.gov/api/v1/registrants/58693/?format=api",
"house_registrant_id": 35062,
"name": "MANAGEMENT & GOVERNMENT RESOURCES",
"description": "Lobbying and Economic Development",
"address_1": "5 Azalea Drive",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Lumberton",
"state": "NJ",
"state_display": "New Jersey",
"zip": "08048",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "BARRY LEFKOWITZ",
"contact_telephone": "+1 609-267-2855",
"dt_updated": "2022-04-06T16:07:46.512326-04:00"
}
},
{
"id": 63306,
"url": "https://lda.senate.gov/api/v1/clients/63306/?format=api",
"client_id": 63306,
"name": "5001 EISENHOWER OFFICE OWNER, LLC",
"general_description": "Real estate investment management firm.",
"client_government_entity": null,
"client_self_select": false,
"state": "MD",
"state_display": "Maryland",
"country": "US",
"country_display": "United States of America",
"ppb_state": "MD",
"ppb_state_display": "Maryland",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2024-11-01",
"registrant": {
"id": 313715,
"url": "https://lda.senate.gov/api/v1/registrants/313715/?format=api",
"house_registrant_id": 39384,
"name": "CAPITOL COUNSEL LLC",
"description": "Government affairs.",
"address_1": "700 13th Street NW, 2nd 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": "TRACEY A. GRAY",
"contact_telephone": "+1 202-861-3200",
"dt_updated": "2025-07-30T16:12:00.226557-04:00"
}
},
{
"id": 135493,
"url": "https://lda.senate.gov/api/v1/clients/135493/?format=api",
"client_id": 1698,
"name": "500PLUS",
"general_description": null,
"client_government_entity": null,
"client_self_select": null,
"state": "MD",
"state_display": "Maryland",
"country": "US",
"country_display": "United States of America",
"ppb_state": "MD",
"ppb_state_display": "Maryland",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2007-02-14",
"registrant": {
"id": 30187,
"url": "https://lda.senate.gov/api/v1/registrants/30187/?format=api",
"house_registrant_id": 30680,
"name": "RYAN MACKINNON VASAPOLI AND BERZOK, LLP",
"description": "Lobbying",
"address_1": "1634 I Street, NW Suite 1200",
"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": "STEPHANIE CRAMER",
"contact_telephone": "+1 202-778-4014",
"dt_updated": "2022-04-06T16:07:16.468722-04:00"
}
},
{
"id": 206186,
"url": "https://lda.senate.gov/api/v1/clients/206186/?format=api",
"client_id": 125,
"name": "501(C) SERVICES",
"general_description": "non-profit servicing",
"client_government_entity": false,
"client_self_select": null,
"state": "CA",
"state_display": "California",
"country": "US",
"country_display": "United States of America",
"ppb_state": "CA",
"ppb_state_display": "California",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2020-06-16",
"registrant": {
"id": 401104430,
"url": "https://lda.senate.gov/api/v1/registrants/401104430/?format=api",
"house_registrant_id": 401104430,
"name": "EFB ADVOCACY, LLC",
"description": "Lobbying & consulting",
"address_1": "645 Pennsylvania Ave SE, Suite 300",
"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": "DEB GREENLEAF",
"contact_telephone": "+1 814-450-0072",
"dt_updated": "2025-07-15T13:15:09.910111-04:00"
}
},
{
"id": 67201,
"url": "https://lda.senate.gov/api/v1/clients/67201/?format=api",
"client_id": 67201,
"name": "503 CAPITAL PARTNERS",
"general_description": "Debt capital in the Education (Charter Schools), Senior Living, and Waste Transition areas",
"client_government_entity": null,
"client_self_select": false,
"state": "KS",
"state_display": "Kansas",
"country": "US",
"country_display": "United States of America",
"ppb_state": "KS",
"ppb_state_display": "Kansas",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2025-05-01",
"registrant": {
"id": 401107432,
"url": "https://lda.senate.gov/api/v1/registrants/401107432/?format=api",
"house_registrant_id": null,
"name": "AXADVOCACY GOVERNMENT RELATIONS",
"description": null,
"address_1": "1101 Pennsylvania Ave NW",
"address_2": "Suite 1020",
"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": "ASHLEE STEPHENSON",
"contact_telephone": "+1 703-967-4953",
"dt_updated": "2025-07-30T09:28:58.088453-04:00"
}
},
{
"id": 204520,
"url": "https://lda.senate.gov/api/v1/clients/204520/?format=api",
"client_id": 1005445,
"name": "50 CITIES INC",
"general_description": "Medical research",
"client_government_entity": false,
"client_self_select": null,
"state": "NJ",
"state_display": "New Jersey",
"country": "US",
"country_display": "United States of America",
"ppb_state": "NJ",
"ppb_state_display": "New Jersey",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2020-03-01",
"registrant": {
"id": 49635,
"url": "https://lda.senate.gov/api/v1/registrants/49635/?format=api",
"house_registrant_id": 34606,
"name": "THE LIVINGSTON GROUP, LLC",
"description": "Government and Public Relations consultants",
"address_1": "425 3RD ST SW",
"address_2": "SUITE 1250",
"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": "ROBERT L. LIVINGSTON",
"contact_telephone": "+1 202-289-9881",
"dt_updated": "2025-07-21T14:42:20.907960-04:00"
}
},
{
"id": 51816,
"url": "https://lda.senate.gov/api/v1/clients/51816/?format=api",
"client_id": 51816,
"name": "5107 SKY TOWER - PROPCO, LLC",
"general_description": "Real Estate",
"client_government_entity": null,
"client_self_select": false,
"state": "TN",
"state_display": "Tennessee",
"country": "US",
"country_display": "United States of America",
"ppb_state": "TN",
"ppb_state_display": "Tennessee",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2022-05-01",
"registrant": {
"id": 54984,
"url": "https://lda.senate.gov/api/v1/registrants/54984/?format=api",
"house_registrant_id": 35114,
"name": "TONIO BURGOS & ASSOCIATES, INC.",
"description": "Lobby Firm",
"address_1": "115 Broadway",
"address_2": "Suite 1504",
"address_3": null,
"address_4": null,
"city": "New York",
"state": "NY",
"state_display": "New York",
"zip": "10006",
"country": "US",
"country_display": "United States of America",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"contact_name": "CAROLYN BIHL",
"contact_telephone": "+1 212-566-5600",
"dt_updated": "2025-07-30T11:52:59.794780-04:00"
}
},
{
"id": 142607,
"url": "https://lda.senate.gov/api/v1/clients/142607/?format=api",
"client_id": 1004722,
"name": "510 K COALITION",
"general_description": "Medical Device manufacturers & Trade Associations, Mulit stakeholder coalition advocacy",
"client_government_entity": false,
"client_self_select": false,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": null,
"ppb_state_display": null,
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2010-09-01",
"registrant": {
"id": 34158,
"url": "https://lda.senate.gov/api/v1/registrants/34158/?format=api",
"house_registrant_id": 30124,
"name": "FAEGRE BAKER DANIELS CONSULTING",
"description": "Consulting firm",
"address_1": "1050 K Street NW",
"address_2": "Suite 400",
"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": "NICHOLAS MANETTO",
"contact_telephone": "+1 202-312-7473",
"dt_updated": "2022-04-06T16:08:31.313431-04:00"
}
},
{
"id": 198722,
"url": "https://lda.senate.gov/api/v1/clients/198722/?format=api",
"client_id": 12,
"name": "510(K) COALITION",
"general_description": "medical device manufacturers, trade associations and multi stakeholder coalition advocacy",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2014-07-03",
"registrant": {
"id": 401103367,
"url": "https://lda.senate.gov/api/v1/registrants/401103367/?format=api",
"house_registrant_id": 401103367,
"name": "LEAVITT PARTNERS, LLC",
"description": "Consulting.",
"address_1": "601 New Jersey Ave NW",
"address_2": "Suite 350",
"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 ROBERTS",
"contact_telephone": "+1 202-774-1404",
"dt_updated": "2025-07-18T16:20:52.437107-04:00"
}
},
{
"id": 112969,
"url": "https://lda.senate.gov/api/v1/clients/112969/?format=api",
"client_id": 12,
"name": "511 COALITION",
"general_description": null,
"client_government_entity": null,
"client_self_select": null,
"state": null,
"state_display": null,
"country": "US",
"country_display": "United States of America",
"ppb_state": null,
"ppb_state_display": null,
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "1996-02-14",
"registrant": {
"id": 8830,
"url": "https://lda.senate.gov/api/v1/registrants/8830/?format=api",
"house_registrant_id": 32036,
"name": "CHAMBERS, CONLON & HARTWELL, LLC",
"description": "government relations",
"address_1": "410 1st Street SE",
"address_2": "Suite 200",
"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": "SNJEZANA ARTHUR",
"contact_telephone": "+1 202-638-7790",
"dt_updated": "2022-04-06T16:04:30.116733-04:00"
}
},
{
"id": 142828,
"url": "https://lda.senate.gov/api/v1/clients/142828/?format=api",
"client_id": 1004773,
"name": "5.11, INC.",
"general_description": "Importer and producer of performance and safety products",
"client_government_entity": false,
"client_self_select": false,
"state": "CA",
"state_display": "California",
"country": "US",
"country_display": "United States of America",
"ppb_state": "CA",
"ppb_state_display": "California",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2009-09-24",
"registrant": {
"id": 34295,
"url": "https://lda.senate.gov/api/v1/registrants/34295/?format=api",
"house_registrant_id": 30127,
"name": "SANDLER, TRAVIS & ROSENBERG, P.A.",
"description": "Law firm",
"address_1": "1300 PENNSYLVANIA AVE., N.W. SUITE 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": "DAVID COHEN",
"contact_telephone": "+1 202-216-9307",
"dt_updated": "2025-07-30T17:01:00.743406-04:00"
}
},
{
"id": 210641,
"url": "https://lda.senate.gov/api/v1/clients/210641/?format=api",
"client_id": 12,
"name": "535 GROUP, LLC ON BEHALF OF BOUTIQUE AIR",
"general_description": "Government relations consulting / FAA-certified air carrier.",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-06-07",
"registrant": {
"id": 401106102,
"url": "https://lda.senate.gov/api/v1/registrants/401106102/?format=api",
"house_registrant_id": 401106102,
"name": "CAPITOL CHAMBERS STRATEGIES",
"description": "Public Affairs.",
"address_1": "1655 North Greenbrier Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22205",
"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": "+1 202-320-0522",
"dt_updated": "2025-07-23T12:43:22.677913-04:00"
}
},
{
"id": 211244,
"url": "https://lda.senate.gov/api/v1/clients/211244/?format=api",
"client_id": 63,
"name": "535 GROUP, LLC ON BEHALF OF D-WAVE GOVERNMENT INC.",
"general_description": "Government Relations Consulting / Manufacturer of quantum computing hardware and software",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-06-07",
"registrant": {
"id": 401106074,
"url": "https://lda.senate.gov/api/v1/registrants/401106074/?format=api",
"house_registrant_id": 401106074,
"name": "RESTON STRATEGY GROUP, LLC",
"description": "Government affairs and strategic business consulting.",
"address_1": "410 New Jersey Ave, 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": "JOHN ''JACK'' CZERWINSKI",
"contact_telephone": "+1 703-943-7332",
"dt_updated": "2025-07-28T11:35:38.584705-04:00"
}
},
{
"id": 210865,
"url": "https://lda.senate.gov/api/v1/clients/210865/?format=api",
"client_id": 48,
"name": "535 GROUP, LLC ON BEHALF OF D-WAVE GOVERNMENT INC.",
"general_description": "Government relations consulting / Manufacturer of quantum computing systems and software.",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-07-01",
"registrant": {
"id": 401106102,
"url": "https://lda.senate.gov/api/v1/registrants/401106102/?format=api",
"house_registrant_id": 401106102,
"name": "CAPITOL CHAMBERS STRATEGIES",
"description": "Public Affairs.",
"address_1": "1655 North Greenbrier Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22205",
"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": "+1 202-320-0522",
"dt_updated": "2025-07-23T12:43:22.677913-04:00"
}
},
{
"id": 211561,
"url": "https://lda.senate.gov/api/v1/clients/211561/?format=api",
"client_id": 75,
"name": "535 GROUP, LLC ON BEHALF OF MAXAR TECHNOLOGIES HOLDINGS, INC.",
"general_description": "Government relations consulting // space technologies firm",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-07-01",
"registrant": {
"id": 401106074,
"url": "https://lda.senate.gov/api/v1/registrants/401106074/?format=api",
"house_registrant_id": 401106074,
"name": "RESTON STRATEGY GROUP, LLC",
"description": "Government affairs and strategic business consulting.",
"address_1": "410 New Jersey Ave, 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": "JOHN ''JACK'' CZERWINSKI",
"contact_telephone": "+1 703-943-7332",
"dt_updated": "2025-07-28T11:35:38.584705-04:00"
}
},
{
"id": 210642,
"url": "https://lda.senate.gov/api/v1/clients/210642/?format=api",
"client_id": 24,
"name": "535 GROUP, LLC ON BEHALF OF MISSOURI ASSOCIATION OF SHELTERED WORKSHOP MANAGERS",
"general_description": "​Government relations consulting/Supports workshops & programs for people w/ disabilities.",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-06-07",
"registrant": {
"id": 401106102,
"url": "https://lda.senate.gov/api/v1/registrants/401106102/?format=api",
"house_registrant_id": 401106102,
"name": "CAPITOL CHAMBERS STRATEGIES",
"description": "Public Affairs.",
"address_1": "1655 North Greenbrier Street",
"address_2": null,
"address_3": null,
"address_4": null,
"city": "Arlington",
"state": "VA",
"state_display": "Virginia",
"zip": "22205",
"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": "+1 202-320-0522",
"dt_updated": "2025-07-23T12:43:22.677913-04:00"
}
},
{
"id": 58355,
"url": "https://lda.senate.gov/api/v1/clients/58355/?format=api",
"client_id": 58355,
"name": "535 GROUP, LLC ON BEHALF OF MSPS FOR THE PROTECTION OF CRITICAL INFRASTRUCTURE",
"general_description": "Government relations consulting/cybersecurity company coalition",
"client_government_entity": null,
"client_self_select": false,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2023-09-11",
"registrant": {
"id": 401106074,
"url": "https://lda.senate.gov/api/v1/registrants/401106074/?format=api",
"house_registrant_id": 401106074,
"name": "RESTON STRATEGY GROUP, LLC",
"description": "Government affairs and strategic business consulting.",
"address_1": "410 New Jersey Ave, 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": "JOHN ''JACK'' CZERWINSKI",
"contact_telephone": "+1 703-943-7332",
"dt_updated": "2025-07-28T11:35:38.584705-04:00"
}
},
{
"id": 211826,
"url": "https://lda.senate.gov/api/v1/clients/211826/?format=api",
"client_id": 87,
"name": "535 GROUP, LLC ON BEHALF OF NORTHROP GRUMMAN SYSTEMS CORPORATION",
"general_description": "Government relations consulting // defense contracting",
"client_government_entity": false,
"client_self_select": null,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2021-08-01",
"registrant": {
"id": 401106074,
"url": "https://lda.senate.gov/api/v1/registrants/401106074/?format=api",
"house_registrant_id": 401106074,
"name": "RESTON STRATEGY GROUP, LLC",
"description": "Government affairs and strategic business consulting.",
"address_1": "410 New Jersey Ave, 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": "JOHN ''JACK'' CZERWINSKI",
"contact_telephone": "+1 703-943-7332",
"dt_updated": "2025-07-28T11:35:38.584705-04:00"
}
},
{
"id": 53507,
"url": "https://lda.senate.gov/api/v1/clients/53507/?format=api",
"client_id": 53507,
"name": "535 GROUP, LLC ON BEHALF OF TECHNOLOGY SERVICE CORPORATION",
"general_description": "Govt relations consulting/ high-tech engineering consulting/specialized aerospace products",
"client_government_entity": null,
"client_self_select": false,
"state": "DC",
"state_display": "District of Columbia",
"country": "US",
"country_display": "United States of America",
"ppb_state": "DC",
"ppb_state_display": "District of Columbia",
"ppb_country": "US",
"ppb_country_display": "United States of America",
"effective_date": "2022-10-01",
"registrant": {
"id": 401106074,
"url": "https://lda.senate.gov/api/v1/registrants/401106074/?format=api",
"house_registrant_id": 401106074,
"name": "RESTON STRATEGY GROUP, LLC",
"description": "Government affairs and strategic business consulting.",
"address_1": "410 New Jersey Ave, 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": "JOHN ''JACK'' CZERWINSKI",
"contact_telephone": "+1 703-943-7332",
"dt_updated": "2025-07-28T11:35:38.584705-04:00"
}
}
]
}
