| 6501 | gmina-miasto Grudziądz Grudziądz | General public services | pl | 4 | €1.0M |
| 6502 | Gmina Pysznica Pysznica | General public services | pl | 4 | €0 |
| 6503 | Visagino savivaldybės administracija Visaginas | General public services | lt | 4 | €2.6M |
| 6504 | Opća bolnica Zabok i bolnica hrvatskih veterana Zabok | Health | hr | 4 | €66,000 |
| 6505 | Groupement Hospitalier de Territoire de l'Indre Châteauroux | Health | fr | 4 | €105,000 |
| 6506 | ΕΙΔΙΚΟΣ ΛΟΓΑΡΙΑΣΜΟΣ ΚΟΝΔΥΛΙΩΝ ΕΡΕΥΝΑΣ ΙΟΝΙΟΥ ΠΑΝΕΠΙΣΤΗΜΙΟΥ (ΕΛΚΕ ΙΠ) Κέρκυρα | Education | gr | 4 | €4.0M |
| 6507 | Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Rolniczy Zakład Doświadczalny im. prof. Adama Skoczylasa w Żelaznej Żelazna | Education | pl | 4 | €69,160 |
| 6508 | ТЕРИТОРИАЛНО ПОДЕЛЕНИЕ "ДЪРЖАВНО ГОРСКО СТОПАНСТВО ГУРКОВО" гр.Гурково | General public services | bg | 4 | €39,100 |
| 6509 | Lappeenrannan kaupunki Lappeenranta | General public services | fi | 4 | €322,500 |
| 6510 | GRANDLYON Métropole Lyon | General public services | fr | 4 | €82.0M |
| 6511 | Eko Dolina Sp. z o.o. Łężyce | notice.buyer_activities.env-pro | pl | 4 | €20.6M |
| 6512 | Stadt Nürnberg - Stadtentwässerung und Umweltanalytik Nürnberg Nürnberg | notice.buyer_activities.env-pro | de | 4 | €822,650 |
| 6513 | Município de Braga Braga | General public services | pt | 4 | €23.9M |
| 6514 | Centralny Szpital Kliniczny Uniwersytetu Medycznego w Łodzi Łódź | Health | pl | 4 | €92,426 |
| 6515 | Gmina Siechnice Siechnice | General public services | pl | 4 | €1.1M |
| 6516 | Azienda Servizi di Igiene Ambientale SpA Napoli | notice.buyer_activities.env-pro | it | 4 | €3.8M |
| 6517 | European Union Intellectual Property Office Alicante | General public services | es | 4 | €14.4M |
| 6518 | Alcaldía del Ayuntamiento de Icod de los Vinos Icod de los Vinos | General public services | es | 4 | €12.8M |
| 6519 | Kreisstadt Homburg/Saar Homburg/Saar | General public services | de | 4 | €0 |
| 6520 | Przedsiębiorstwo Wodociągów i Kanalizacji Spółka z o.o. Gorzów Wielkopolski | General public services | pl | 4 | €26.4M |
| 6521 | Dirección del Organismo Estatal Inspección de Trabajo y Seguridad Social Madrid | Social protection | es | 4 | €1.4M |
| 6522 | Aeroports Públics de Catalunya, SLU No consta | General public services | es | 4 | €305,400 |
| 6523 | Freies Deutsches Hochstift Frankfurt | notice.buyer_activities.rcr | de | 4 | €704,000 |
| 6524 | Consorcio Galego de Servizos de Igualdade e Benestar Santiago de compostela | General public services | es | 4 | €35.8M |
| 6525 | Instytut Książki Kraków | notice.buyer_activities.rcr | pl | 4 | €0 |
| 6526 | DOM DR. JOŽETA POTRČA POLJČANE Poljčane | Social protection | si | 4 | €1.2M |
| 6527 | Istituto Nazionale di Geofisica e Vulcanologia Roma | General public services | it | 4 | €2.9M |
| 6528 | Sveriges Radio AB Stockholm | General public services | se | 4 | €422.5M |
| 6529 | ORES SC Gosselies | Electricity | be | 4 | €29.5M |
| 6530 | Physikalisch - Technische Bundesanstalt Braunschweig Braunschweig | Economic affairs | de | 4 | €3.4M |
| 6531 | Onderwijs Inkoop Groep B.V. namens Stichting Professor Dr. Leo Kanneronderwijsgroep Leiderdorp | Education | nl | 4 | €64,387 |
| 6532 | WoonST Temse | Housing and community amenities | be | 4 | €0 |
| 6533 | Norwegian Ministry of Foreign Affairs Oslo | General public services | no | 4 | €59.0M |
| 6534 | Moravskoslezská nemocnice Frýdek-Místek, příspěvková organizace Frýdek-Místek - Frýdek | Health | cz | 4 | €56.4M |
| 6535 | Österbottens välfärdsområde - Pohjanmaan hyvinvointialue Vaasa | Health | fi | 4 | €261,300 |
| 6536 | Studierendenwerk Karlsruhe AöR Karlsruhe | Housing and community amenities | de | 4 | -€2 |
| 6537 | Zamek Królewski w Warszawie - Muzeum. Rezydencja Królów i Rzeczypospolitej Warszawa | notice.buyer_activities.rcr | pl | 4 | €0 |
| 6538 | Communauté de Communes du Pays de Saint-Fulgent – Les Essarts (85) SAINT FULGENT | General public services | fr | 4 | €559,727 |
| 6539 | Brønnøy kommune BRØNNØYSUND | General public services | no | 4 | €156.3M |
| 6540 | Grün Berlin GmbH Berlin | notice.buyer_activities.env-pro | de | 4 | €433,655 |
| 6541 | Dirección Gerencia del Complejo Hospitalario Universitario de Canarias Santa Cruz de Tenerife | Health | es | 4 | €1.1M |
| 6542 | European Parliament, INLO - Directorate-General for Infrastructure and Logistics Luxembourg | General public services | lu | 4 | €1.4M |
| 6543 | Hospital Intermutual de Euskadi, Centro Mancomunado de Mutuas de Accidentes de Trabajo y Enfermadades Profesionales de la Seguridad Social Bilbao | Health | es | 4 | €1.6M |
| 6544 | GGD regio Utrecht ZEIST | General public services | nl | 4 | €3.2M |
| 6545 | Etat de Vaud, DGNSI - Direction générale du numérique et des systèmes d'information Renens | General public services | ch | 4 | €0 |
| 6546 | Staatliches Hochbauamt Freiburg Freiburg | notice.buyer_activities.null | de | 4 | €2.7M |
| 6547 | Landratsamt Neckar-Odenwald-Kreis, Bau und Immobilien Mosbach | General public services | de | 4 | €0 |
| 6548 | Comitetul Olimpic si Sportiv Roman Bucuresti | notice.buyer_activities.rcr | | 4 | €16.6M |
| 6549 | Comune di Cremona CREMONA | General public services | it | 4 | €40.2M |
| 6550 | Ville de Rouen Rouen Cedex | General public services | fr | 4 | €1.2M |