| 1951 | EPFL VPF ACHATS Lausanne | Education | ch | 10 | €32.7M |
| 1952 | EG.D, s.r.o. Brno - Černá Pole | notice.buyer_activities.null | cz | 10 | €569.3M |
| 1953 | Kerry County Council_1204 Tralee | General public services | ie | 10 | €168.2M |
| 1954 | Gerencia de Ferrocarrils de la Generalitat Valenciana Valencia | General public services | es | 10 | €31.6M |
| 1955 | A.O.U. "LUIGI VANVITELLI" Napoli | General public services | it | 10 | €28.5M |
| 1956 | Universitair Medisch Centrum Groningen (UMCG) GRONINGEN | Health | nl | 10 | €31.8M |
| 1957 | University of Limerick_1124 Limerick | Education | ie | 10 | €3.4M |
| 1958 | Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. Barcelona | Water | es | 10 | €32.5M |
| 1959 | Irish Prison Service Longford | General public services | ie | 10 | €37.2M |
| 1960 | Bodens kommun Boden | General public services | se | 10 | €202.5M |
| 1961 | МНОГОПРОФИЛНА БОЛНИЦА ЗА АКТИВНО ЛЕЧЕНИЕ - Д-Р БРАТАН ШУКЕРОВ АД гр. Смолян | Health | bg | 10 | €6.8M |
| 1962 | Rectorado de la Universitat de València Valencia | Education | es | 10 | €6.9M |
| 1963 | Huddinge kommun Huddinge | General public services | se | 10 | €113.7M |
| 1964 | Landratsamt Bad Tölz - Wolfratshausen Bad Tölz | General public services | de | 10 | €0 |
| 1965 | Magistrat der Stadt Maintal Maintal | General public services | de | 10 | €4.0M |
| 1966 | DYNACITE BOURG EN BRESSE CEDEX | Housing and community amenities | fr | 10 | €650,954 |
| 1967 | Kungliga Tekniska högskolan STOCKHOLM | Education | se | 10 | €634.2M |
| 1968 | Alliander N.V. Arnhem | Electricity | nl | 10 | €179.7M |
| 1969 | Gdańska Infrastruktura Wodociągowo-Kanalizacyjna Sp. z o.o. Gdańsk | Water | pl | 10 | €67.3M |
| 1970 | Wismut GmbH Chemnitz | notice.buyer_activities.env-pro | de | 10 | €524,763 |
| 1971 | HRT Grad Zagreb | General public services | hr | 10 | €11.4M |
| 1972 | Sandnes kommune Sandnes | General public services | no | 10 | €252.8M |
| 1973 | Azienda Trasporti Milanesi Milano | notice.buyer_activities.urttb | it | 10 | €107.5M |
| 1974 | Akciju sabiedrība "Pasažieru vilciens" Rīga | notice.buyer_activities.null | lv | 10 | €3.3M |
| 1975 | Region Kalmar Län Kalmar | General public services | se | 10 | €6.9B |
| 1976 | Elektrilevi OÜ Tallinn | Electricity | ee | 10 | €11.1M |
| 1977 | Stadt Neusäß Neusäß | General public services | de | 10 | €0 |
| 1978 | Københavns Kommune - Økonomiforvaltningen København NV | General public services | dk | 10 | €81.1M |
| 1979 | SPITALUL DE PNEUMOFTIZIOLOGIE SATU MARE Satu Mare | Health | | 10 | €1.2M |
| 1980 | Opdrachtencentrale vzw Brussel | General public services | be | 10 | €1.4M |
| 1981 | I/S Vestforbrænding og datterselskaber Glostrup | General public services | dk | 10 | €419.7M |
| 1982 | Københavns Kommune - Klima-, Miljø- og Teknikforvaltningen København S | notice.buyer_activities.env-pro | dk | 10 | €355.1M |
| 1983 | Vzw AZ Sint-Lucas & Volkskliniek Gent | Health | be | 10 | €2.6M |
| 1984 | METROPOLE TOULON PROVENCE MEDITERRANEE Toulon cedex 9 | General public services | fr | 10 | €1.5M |
| 1985 | Município de Sintra Lisboa | General public services | pt | 10 | €2.1M |
| 1986 | Śląski Oddział Wojewódzki Narodowego Funduszu Zdrowia Katowice | Health | pl | 10 | €547.7M |
| 1987 | VšĮ Kauno miesto poliklinika (PV) Kaunas | Health | lt | 10 | €2.0M |
| 1988 | Dirección de la Fundación para la Internacionalización de las Administraciones Públicas Madrid | General public services | es | 10 | €9.4M |
| 1989 | DEPARTEMENT DU GERS Auch | General public services | fr | 10 | €834,050 |
| 1990 | Universitatea din Bucuresti Bucuresti | Education | | 10 | €147.1M |
| 1991 | Województwo Lubelskie - Lubelskie Centrum Innowacji i Technologii Lublin | General public services | pl | 10 | €922,073 |
| 1992 | Causeway Coast and Glens Borough Council Coleraine | General public services | ie | 10 | €1.3M |
| 1993 | Commissione europea, Centro comune di ricerca (JRC) Ispra (VA) | General public services | it | 10 | €23.4M |
| 1994 | Vermögen und Bau Baden-Württemberg, Amt Pforzheim Pforzheim | Economic affairs | de | 10 | €17.1M |
| 1995 | PROVINCIA DI VICENZA Vicenza | General public services | it | 10 | €27.6M |
| 1996 | СРЕДНО УЧИЛИЩЕ "ОТЕЦ ПАИСИЙ" гр.Мадан | Education | bg | 10 | €131,400 |
| 1997 | GASCADE Gastransport GmbH Kassel | Gas & heat | de | 10 | €0 |
| 1998 | Saint-Quentin-en-Yvelines - Communauté d'agglomération Trappes | General public services | fr | 10 | €11.0M |
| 1999 | OPĆA BOLNICA ZADAR Zadar | Health | hr | 10 | €5.3M |
| 2000 | Powiat Niżański Nisko | General public services | pl | 10 | €1.9M |