| 1 | Ředitelství silnic a dálnic s. p. Praha | General public services | cz | 865 | €1.1T |
| 2 | DB InfraGO AG – Geschäftsbereich Fahrweg (Bukr 16) Frankfurt Main | Rail services | de | 714 | €44.6M |
| 3 | DB Netz AG (Bukr 16) Frankfurt Main | notice.buyer_activities.null | de | 339 | €37.0M |
| 4 | Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) Madrid | notice.buyer_activities.env-pro | es | 233 | €117.6M |
| 5 | GRAD ZAGREB Grad Zagreb | General public services | hr | 210 | €621.9M |
| 6 | Trafikverket Myndighet BORLÄNGE | General public services | se | 189 | €14.4B |
| 7 | Państwowe Gospodarstwo Wodne Wody Polskie Warszawa | notice.buyer_activities.env-pro | pl | 181 | €595.7M |
| 8 | Dirección General de Racionalización y Centralización de la Contratación-Junta de Contratación Centralizada Madrid | General public services | es | 176 | €1.1B |
| 9 | SYKEHUSINNKJØP HF Vadsø | Health | no | 152 | €158.2M |
| 10 | Department of Contracts Floriana | notice.buyer_activities.env-pro | mt | 150 | €2.0B |
| 11 | Górnośląskie Centrum Medyczne im. prof. Leszka Gieca Śląskiego Uniwersytetu Medycznego w Katowicach Katowice | Health | pl | 149 | €27.1M |
| 12 | COMPANIA NATIONALA DE ADMINISTRARE A INFRASTRUCTURII RUTIERE S.A. Bucuresti | General public services | | 144 | €19.0B |
| 13 | Viešoji įstaiga CPO LT Vilnius | General public services | lt | 139 | €196.8M |
| 14 | Ministerstvo vnitra Praha | Public order and safety | cz | 137 | €70.1B |
| 15 | SPEKTER, poslovanje z nepremičninami in tehnično svetovanje, d.o.o. Trbovlje | Housing and community amenities | si | 136 | €1.4M |
| 16 | Fakultní nemocnice Olomouc Olomouc - Nová Ulice | Health | cz | 125 | €89.0B |
| 17 | Ministerstvo obrany Praha | Defence | cz | 120 | €3.0B |
| 18 | Autobahnen- und Schnellstraßen-Finanzierungs-Aktiengesellschaft Wien | Economic affairs | at | 117 | €1.3B |
| 19 | VšĮ Vilniaus universiteto ligoninė Santaros klinikos (PV) Vilnius | Health | lt | 115 | €13.4M |
| 20 | DB InfraGO AG – Geschäftsbereich Personenbahnhöfe (Bukr 11) Berlin | notice.buyer_activities.null | de | 115 | €25.3M |
| 21 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium des Innern, vertreten durch das Beschaffungsamt des BMI Bonn | General public services | de | 114 | €520.8M |
| 22 | SBH | Schulbau Hamburg Hamburg | General public services | de | 113 | €191.4M |
| 23 | Uniwersyteckie Centrum Kliniczne Gdańsk | Health | pl | 110 | €119.9M |
| 24 | Fakultní nemocnice Motol a Homolka Praha - Motol | Health | cz | 109 | €11.0B |
| 25 | OSAKIDETZA - Servicio Vasco de Salud - Organización Central Vitoria-Gasteiz | Health | es | 107 | €285.1M |
| 26 | Landeshauptstadt München, Baureferat München | General public services | de | 106 | €74.6M |
| 27 | Všeobecná fakultní nemocnice v Praze Praha | Health | cz | 105 | €7.1B |
| 28 | Lietuvos sveikatos mokslų universiteto ligoninė Kauno klinikos (PV) Kaunas | Health | lt | 103 | €18.0M |
| 29 | Fakultní nemocnice Hradec Králové Hradec Králové. Nový Hradec Králové | Health | cz | 103 | €2.3B |
| 30 | ASL BAT Andria | General public services | it | 103 | €10.9M |
| 31 | Generalna Dyrekcja Dróg Krajowych i Autostrad Bydgoszcz | General public services | pl | 103 | €6.4B |
| 32 | Jelgavas valstspilsētas pašvaldība Jelgava | General public services | lv | 99 | €7.6M |
| 33 | Státní pozemkový úřad Praha | General public services | cz | 97 | €630.3M |
| 34 | Administrador De Infraestructuras Ferroviarias Madrid | General public services | es | 96 | €2.6B |
| 35 | SZPITAL UNIWERSYTECKI W KRAKOWIE Kraków | Health | pl | 90 | €120.1M |
| 36 | Riigi Kaitseinvesteeringute Keskus Tallinn | Defence | ee | 89 | €311.1M |
| 37 | Infraestruturas de Portugal, S.A. Almada | notice.buyer_activities.null | pt | 89 | €1.3B |
| 38 | Klinički bolnički centar Zagreb Grad Zagreb | Health | hr | 88 | €96.4M |
| 39 | Regionalny Szpital Specjalistyczny im. dr Władysława Biegańskiego Grudziądz | Health | pl | 87 | €22.5M |
| 40 | Fraunhofer-Gesellschaft - Einkauf B12 München | General public services | de | 87 | -€27 |
| 41 | Многопрофилна болница за активно лечение " Лозенец " ЕАД гр. София | Health | bg | 87 | €4.3M |
| 42 | Gemeente Rotterdam Rotterdam | General public services | nl | 87 | €202.2M |
| 43 | Narodowy Instytut Onkologii im. Marii Skłodowskiej-Curie - Państwowy Instytut Badawczy Warszawa | Health | pl | 87 | €96.5M |
| 44 | ОБЩИНА ВАРНА гр.Варна | General public services | bg | 84 | €220.6M |
| 45 | Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Zentrale, Zentralstelle Vergabe- und Vertragsmanagement Dresden | General public services | de | 84 | €11.6M |
| 46 | Riigi Tugiteenuste Keskus Tallinn | General public services | ee | 82 | €199.3M |
| 47 | STATSBYGG OSLO | General public services | no | 81 | €198.0M |
| 48 | Västra Götalandsregionen VÄNERSBORG | Health | se | 81 | €7.1B |
| 49 | Vlaamse Overheid Brussel | General public services | be | 81 | €334.3M |
| 50 | Aizkraukles novada pašvaldība Aizkraukle, Aizkraukles nov. | notice.buyer_activities.null | lv | 80 | €29.0M |