Registrant List
GET /api/v1/registrants/?format=api&ordering=-name
{ "count": 17011, "next": "https://lda.senate.gov/api/v1/registrants/?format=api&ordering=-name&page=2", "previous": null, "results": [ { "id": 401106060, "url": "https://lda.senate.gov/api/v1/registrants/401106060/?format=api", "house_registrant_id": 401106060, "name": "ZYMERGEN INC.", "description": "Biofacturing company", "address_1": "5980 Horton Street", "address_2": "Suite 105", "address_3": null, "address_4": null, "city": "Emeryville", "state": "CA", "state_display": "California", "zip": "94608", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MINA KIM", "contact_telephone": "+1 415-706-0229", "dt_updated": "2022-04-06T16:07:19.567075-04:00" }, { "id": 401104361, "url": "https://lda.senate.gov/api/v1/registrants/401104361/?format=api", "house_registrant_id": 401104361, "name": "ZYLA LIFE SCIENCES (FKA EGALET CORPORATION)", "description": "Specialty Pharmaceutical Company", "address_1": "600 LEE ROAD SUITE 100", "address_2": null, "address_3": null, "address_4": null, "city": "WAYNE", "state": "PA", "state_display": "Pennsylvania", "zip": "19087", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MADELINE SCHERWITZKY", "contact_telephone": "+1 425-523-8565", "dt_updated": "2022-04-06T16:06:32.276341-04:00" }, { "id": 42205, "url": "https://lda.senate.gov/api/v1/registrants/42205/?format=api", "house_registrant_id": null, "name": "ZWEBEN, MURRAY", "description": null, "address_1": "601 13TH ST NW #370-SOUTH", "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": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:52:00.195866-05:00" }, { "id": 32613, "url": "https://lda.senate.gov/api/v1/registrants/32613/?format=api", "house_registrant_id": 30299, "name": "ZVI RAFIAH", "description": "Consultant & Commentator on US Affairs", "address_1": "20 MOTTA GUR STREET", "address_2": null, "address_3": "TELAVIV", "address_4": " 6969420", "city": "TELAVIV", "state": null, "state_display": null, "zip": "69694", "country": "IL", "country_display": "Israel", "ppb_country": "IL", "ppb_country_display": "Israel", "contact_name": "ZVI RAFIAH", "contact_telephone": "", "dt_updated": "2022-04-06T16:07:41.814694-04:00" }, { "id": 401106269, "url": "https://lda.senate.gov/api/v1/registrants/401106269/?format=api", "house_registrant_id": null, "name": "ZURICH NORTH AMERICA", "description": null, "address_1": "1201 F ST NW #250", "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": "JEFF SANDS", "contact_telephone": "+1 202-567-9644", "dt_updated": "2022-01-13T15:02:00.018712-05:00" }, { "id": 42193, "url": "https://lda.senate.gov/api/v1/registrants/42193/?format=api", "house_registrant_id": 30715, "name": "ZURICH", "description": "Property-Casualty Insurance", "address_1": "1201 F STREET, NW", "address_2": "SUITE 950", "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": "GREGG SHEIOWITZ", "contact_telephone": "+1 202-236-2146", "dt_updated": "2025-07-30T09:17:58.239871-04:00" }, { "id": 401109581, "url": "https://lda.senate.gov/api/v1/registrants/401109581/?format=api", "house_registrant_id": null, "name": "ZULKOSKI WEBER LLC", "description": null, "address_1": "725 S 14th St", "address_2": null, "address_3": null, "address_4": null, "city": "Lincoln", "state": "NE", "state_display": "Nebraska", "zip": "68508", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "NANCY OSMERA", "contact_telephone": "+1 402-975-2195", "dt_updated": "2025-05-23T11:04:24.291947-04:00" }, { "id": 47724, "url": "https://lda.senate.gov/api/v1/registrants/47724/?format=api", "house_registrant_id": null, "name": "ZUKOWSKI, ANDREW GEORGE", "description": null, "address_1": "4218 RICKENBACKER AVE #20", "address_2": null, "address_3": null, "address_4": null, "city": "COLUMBUS", "state": "OH", "state_display": "Ohio", "zip": null, "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:52:35.374161-05:00" }, { "id": 42182, "url": "https://lda.senate.gov/api/v1/registrants/42182/?format=api", "house_registrant_id": 30183, "name": "ZUCKERT, SCOUTT & RASENBERGER, LLP", "description": null, "address_1": "888 17TH STREET, NW, # 700", "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": "RACHEL B. TRINDER", "contact_telephone": "+1 202-973-7927", "dt_updated": "2022-04-06T16:08:24.518748-04:00" }, { "id": 42160, "url": "https://lda.senate.gov/api/v1/registrants/42160/?format=api", "house_registrant_id": 33771, "name": "ZUCKERMAN SPAEDER LLP", "description": "LAW FIRM.", "address_1": "1800 M STREET NW", "address_2": "SUITE 1000", "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": "LISA BARCLAY", "contact_telephone": "+1 202-778-1800", "dt_updated": "2022-04-06T16:08:17.072870-04:00" }, { "id": 400826455, "url": "https://lda.senate.gov/api/v1/registrants/400826455/?format=api", "house_registrant_id": 400826455, "name": "ZTE USA", "description": "telecommunications", "address_1": "2425 North Central Expressway, Suite 800", "address_2": null, "address_3": null, "address_4": null, "city": "Richardson", "state": "TX", "state_display": "Texas", "zip": "75080", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "RON BRAZELL", "contact_telephone": "+1 316-558-4434", "dt_updated": "2023-08-22T10:25:18.656231-04:00" }, { "id": 401106465, "url": "https://lda.senate.gov/api/v1/registrants/401106465/?format=api", "house_registrant_id": null, "name": "ZSCALER, INC. AND AFFILIATES", "description": null, "address_1": "120 Holger Way", "address_2": null, "address_3": null, "address_4": null, "city": "San Jose", "state": "CA", "state_display": "California", "zip": "95134", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "RYAN GILLIS", "contact_telephone": "+1 202-344-4000", "dt_updated": "2024-10-15T18:00:45.196364-04:00" }, { "id": 401109589, "url": "https://lda.senate.gov/api/v1/registrants/401109589/?format=api", "house_registrant_id": null, "name": "ZOOM COMMUNICATIONS INC", "description": null, "address_1": "55 Almaden Boulevard", "address_2": null, "address_3": null, "address_4": null, "city": "San Jose", "state": "CA", "state_display": "California", "zip": "95113", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "CHEREE MCALPINE", "contact_telephone": "+1 209-432-0662", "dt_updated": "2025-08-19T11:05:39.388223-04:00" }, { "id": 401043937, "url": "https://lda.senate.gov/api/v1/registrants/401043937/?format=api", "house_registrant_id": 401043937, "name": "ZOETIS INC.", "description": "Animal health", "address_1": "10 Sylvan Way", "address_2": "4th Floor", "address_3": null, "address_4": null, "city": "Parsippany-Troy Hills", "state": "NJ", "state_display": "New Jersey", "zip": "07054", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "WILLEM RIJKSEN", "contact_telephone": "+1 908-963-7086", "dt_updated": "2025-07-31T14:58:20.890020-04:00" }, { "id": 42147, "url": "https://lda.senate.gov/api/v1/registrants/42147/?format=api", "house_registrant_id": null, "name": "ZOBELL, CLAUDE E., JR.", "description": null, "address_1": "1101 30TH ST #200", "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": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:52:00.006598-05:00" }, { "id": 401104422, "url": "https://lda.senate.gov/api/v1/registrants/401104422/?format=api", "house_registrant_id": 401104422, "name": "ZIRKELBACH STRATEGIES", "description": "consulting", "address_1": "1821 23rd st NW", "address_2": null, "address_3": null, "address_4": null, "city": "Washington", "state": "DC", "state_display": "District of Columbia", "zip": "20008", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MARY KATHLEEN ZIRKELBACH", "contact_telephone": "+1 803-665-0843", "dt_updated": "2025-08-13T09:50:31.335312-04:00" }, { "id": 401107090, "url": "https://lda.senate.gov/api/v1/registrants/401107090/?format=api", "house_registrant_id": null, "name": "ZIPLINE INTERNATIONAL INC.", "description": null, "address_1": "333 COREY WAY", "address_2": null, "address_3": null, "address_4": null, "city": "SOUTH SAN FRANCISCO", "state": "CA", "state_display": "California", "zip": "94080", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "CATHERINE CASTONGUAY", "contact_telephone": "+1 415-389-6800", "dt_updated": "2024-07-28T22:00:39.258842-04:00" }, { "id": 42240, "url": "https://lda.senate.gov/api/v1/registrants/42240/?format=api", "house_registrant_id": 33452, "name": "ZIONTZ CHESTNUT", "description": "Law firm", "address_1": "2101 FOURTH AVENUE, #1230", "address_2": null, "address_3": null, "address_4": null, "city": "SEATTLE", "state": "WA", "state_display": "Washington", "zip": "98121", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "LAURA A. BARTHOLET", "contact_telephone": "+1 206-448-1230", "dt_updated": "2025-07-30T16:13:00.361017-04:00" }, { "id": 46687, "url": "https://lda.senate.gov/api/v1/registrants/46687/?format=api", "house_registrant_id": null, "name": "ZION, ROGER", "description": null, "address_1": "110 D ST SE #114", "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": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:52:24.059195-05:00" }, { "id": 47633, "url": "https://lda.senate.gov/api/v1/registrants/47633/?format=api", "house_registrant_id": 34423, "name": "ZIONIST ORGANIZATION OF AMERICA", "description": null, "address_1": "126 C 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": "DAN POLLAK", "contact_telephone": "+1 202-804-4193", "dt_updated": "2025-07-21T12:03:19.789006-04:00" }, { "id": 400504484, "url": "https://lda.senate.gov/api/v1/registrants/400504484/?format=api", "house_registrant_id": 400504484, "name": "ZIMMER STRATEGIES, INC.", "description": "public policy consulting and advocacy", "address_1": "1260 21st Street, NW", "address_2": "#111", "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": "RICHARD A. ZIMMER", "contact_telephone": "+1 908-303-1180", "dt_updated": "2022-01-13T14:58:35.915280-05:00" }, { "id": 400268227, "url": "https://lda.senate.gov/api/v1/registrants/400268227/?format=api", "house_registrant_id": 39995, "name": "ZIMMER DUNCAN & COLE", "description": "Law Firm/Contact's emphasis on governmental affairs", "address_1": "120 North Main Street", "address_2": null, "address_3": null, "address_4": null, "city": "Parker", "state": "SD", "state_display": "South Dakota", "zip": "57053-0550", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "MR. DREW DUNCAN", "contact_telephone": "", "dt_updated": "2022-04-06T16:06:31.562000-04:00" }, { "id": 50001, "url": "https://lda.senate.gov/api/v1/registrants/50001/?format=api", "house_registrant_id": 50001, "name": "ZIMMER DESHLER GROUP", "description": null, "address_1": "712 S. ADAMS ST", "address_2": null, "address_3": null, "address_4": null, "city": "ARLINGTON", "state": "VA", "state_display": "Virginia", "zip": "22204", "country": "US", "country_display": "United States of America", "ppb_country": "US", "ppb_country_display": "United States of America", "contact_name": "", "contact_telephone": "", "dt_updated": "2022-01-13T14:52:45.567159-05:00" }, { "id": 292755, "url": "https://lda.senate.gov/api/v1/registrants/292755/?format=api", "house_registrant_id": 37326, "name": "ZIMMER BIOMET, INC.", "description": "Medical Device Company", "address_1": "1455 Pennsylvania, NW", "address_2": "Suite 1125", "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": "HEATHER FALEN ASHBY", "contact_telephone": "+1 202-288-8950", "dt_updated": "2025-07-09T20:22:52.694564-04:00" }, { "id": 42125, "url": "https://lda.senate.gov/api/v1/registrants/42125/?format=api", "house_registrant_id": null, "name": "ZIMBABWE TRUST", "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": "2022-01-13T14:52:17.725085-05:00" } ] }