| 4501 | Landratsamt Weilheim-Schongau, Sb. 10.4 - Vergabe- und Beschaffungswesen Weilheim i. OB | General public services | de | 5 | €0 |
| 4502 | Communauté d'Agglomération de Haguenau Haguenau Cedex | General public services | fr | 5 | €0 |
| 4503 | Technische Hochschule Ostwestfalen-Lippe Lemgo | Education | de | 5 | €0 |
| 4504 | Gemeinde Kusterdingen Kusterdingen | General public services | de | 5 | €0 |
| 4505 | Taivalkosken kunta Taivalkoski | General public services | fi | 5 | €268,575 |
| 4506 | Bundesimmobiliengesellschaft m.b.H. vertreten durch Unternehmensbereich Schulen Wien | Economic affairs | at | 5 | €1.2M |
| 4507 | Institutul Național de Boli Infecțioase "Prof. Dr. Matei Balș" Bucuresti | Health | | 5 | €26.6M |
| 4508 | Landeswohlfahrtsverband Hessen - Zentrale Vergabestelle Kassel | Social protection | de | 5 | -€4 |
| 4509 | PL.2012+ Sp. z o.o. Warszawa | General public services | pl | 5 | €12.2M |
| 4510 | MVM Paksi Atomerőmű Zártkörűen Működő Részvénytársaság Paks | Electricity | hu | 5 | €504.4M |
| 4511 | Stadt Bad Homburg v. d. Höhe - Der Magistrat, Fachbereich Recht - Vergabestelle - Bad Homburg v. d. Höhe | General public services | de | 5 | €0 |
| 4512 | European Commission, DG JRC - Joint Research Centre Petten | General public services | nl | 5 | €4.1M |
| 4513 | REGIONE LIGURIA (SUAR) GENOVA | Health | it | 5 | €21.0M |
| 4514 | Haabersti Linnaosa Valitsus Tallinn | General public services | ee | 5 | €55,635 |
| 4515 | Amt Bützow-Land Bützow | General public services | de | 5 | €351,518 |
| 4516 | CASA NATIONALA DE PENSII PUBLICE Bucuresti | Social protection | | 5 | €14.5M |
| 4517 | Município da Póvoa de Varzim Póvoa de Varzim | General public services | pt | 5 | €2.4M |
| 4518 | LINZ LINIEN GmbH Linz | notice.buyer_activities.urttb | at | 5 | €0 |
| 4519 | Uniwersytet Przyrodniczy w Lublinie Lublin | Education | pl | 5 | €339,590 |
| 4520 | Samodzielny Publiczny Zakład Opieki Zdrowotnej w Wieluniu Wieluń | Health | pl | 5 | €1.3M |
| 4521 | Etablissement Public Foncier Ile-de-France PARIS | Housing and community amenities | fr | 5 | €1.9M |
| 4522 | SYNCHROTRON SOLEIL SAINT-AUBIN | General public services | fr | 5 | €1.4M |
| 4523 | Vodoopskrba i odvodnja Zagrebačke županije d.o.o. Grad Zagreb | notice.buyer_activities.null | hr | 5 | €15.5M |
| 4524 | Ministère de la Justice Paris | Public order and safety | fr | 5 | €568.5M |
| 4525 | Wohnbau Mainz GmbH Mainz | Housing and community amenities | de | 5 | €0 |
| 4526 | Samodzielny Publiczny Zakład Opieki Zdrowotnej Zespół Szpitali Miejskich Chorzów | Health | pl | 5 | €157,140 |
| 4527 | Aeroporti di Roma S.p.A. Fiumicino | Airports | it | 5 | €9.2M |
| 4528 | DIN Forsyning A/S Esbjerg N | General public services | dk | 5 | €16.3M |
| 4529 | GRAD ROVINJ - ROVIGNO Rovinj - Rovigno | General public services | hr | 5 | €10.0M |
| 4530 | AGERE- Empresa de Águas Efluentes e Resíduos de Braga, EM Braga | Water | pt | 5 | €7.6M |
| 4531 | Landkreis Harburg - Zentrale Vergabestelle für die Gemeinde Seevetal Winsen/Luhe | General public services | de | 5 | €1.4M |
| 4532 | Kriminalomsorgsdirektoratet Lillestrøm | Public order and safety | no | 5 | €130.0M |
| 4533 | SIA “Getliņi EKO” Stopiņu pagasts, Ropažu novads, Rumbula | General public services | lv | 5 | €200,000 |
| 4534 | Ruter As Oslo | notice.buyer_activities.urttb | no | 5 | €65.0M |
| 4535 | Gemeente Lelystad Lelystad | General public services | nl | 5 | €370,000 |
| 4536 | Drewag Stadtwerke Dresden GmbH Dresden | General public services | de | 5 | €0 |
| 4537 | Haute Ecole de Namur-Liège-Luxembourg Saint-Servais | Education | be | 5 | €0 |
| 4538 | Presidencia de la Autoridad Portuaria de Castellón Grao de Castellón | General public services | es | 5 | €1.7M |
| 4539 | Uždaroji akcinė bendrovė "TOKSIKA" (PV) Vilnius | notice.buyer_activities.env-pro | lt | 5 | €0 |
| 4540 | Thüringer Landesamt für Bau und Verkehr, Referat 42 - Region Mitte Erfurt | General public services | de | 5 | €2.8M |
| 4541 | Universität Hamburg Hamburg | Education | de | 5 | €0 |
| 4542 | Správa silnic Olomouckého kraje, příspěvková organizace Olomouc | notice.buyer_activities.null | cz | 5 | €266.3M |
| 4543 | Gerencia Asistencial de Atención Primaria Madrid | Health | es | 5 | €117,426 |
| 4544 | Klinikum Region Hannover GmbH Hannover | Health | de | 5 | €4,000 |
| 4545 | RB Rail AS Rīga | notice.buyer_activities.null | lv | 5 | €3.2M |
| 4546 | GRDF Saint Denis | Gas & heat | fr | 5 | €12.2M |
| 4547 | Agencia de Innovación y Desarrollo de Andalucía SEVILLA | Economic affairs | es | 5 | €2.0M |
| 4548 | Bundesrepublik Deutschland, vertreten durch das Bundesamt für Bauwesen und Raumordnung Berlin | General public services | de | 5 | €10.7M |
| 4549 | UAB "Kauno autobusai" (PV) Kaunas | General public services | lt | 5 | €600,000 |
| 4550 | "Многопрофилна болница за активно лечение д - р Иван Селимински - Сливен" АД гр. Сливен | Health | bg | 5 | €629,656 |