| Financial and insurance services | AXA SEGUROS GENERALES SA DE SEGUROS Y REASEGUROS | €279,651 | 25 Apr 2030estimated |
| IT services | DELOITTE TECHNOLOGY & TRANSFORMATION S.L. | €318,300 | 18 Feb 2029estimated |
| Repair and maintenance services | SIEMENS RAIL AUTOMATION, S.A.U. | €14,883,781 | 20 Oct 2028estimated |
| Furniture and furnishings | FERRETERÍA UNCETA, S.A. | — | 4 Oct 2027estimated |
| Construction materials and structures | RIBODEL, S.L. | €46,807 | 24 Sept 2027estimated |
| Electrical machinery | TERMISER SERVICIOS INTEGRALES, S.L. | €361,789 | 18 Jun 2027estimated |
| Security and defence equipment | INETUM ELECTRONIC SECURITY, S.A. | €805,920 | 22 Aug 2027estimated |
| Petroleum, fuels, electricity | GASOLEOS GETAFE, S.L. | €543,476 | 29 Jul 2028estimated |
| Sewage, refuse and environmental services | TROYA CONSTRUCCIONES FERROVIARIAS, S.L. | — | 30 Aug 2028estimated |
| Installation services | ANERPRO ENERGIA Y PROCESO S.L.U. | €496,567 | 31 Dec 2026estimated |
| Industrial machinery | CULLIGAN WATER SPAIN, S.L. | €327,829 | 24 Apr 2027estimated |
| Transport equipment | ARCELORMITTAL ESPAÑA, S.A. | €8,899,046 | 13 Aug 2027estimated |
| Software and information systems | VASS CONSULTORÍA DE SISTEMAS S.L | €421,314 | 18 Aug 2027estimated |
| Construction work | UTE SERANCO, S.A.U. & LICUAS, S.A. | €8,022,197 | 27 Jun 2027estimated |
| Business and management services | PSICOLOGOS EMPRESARIALES Y ASOCIADOS, S.A. | €396,000 | 12 Aug 2028estimated |
| Architectural and engineering services | Investigación y Control de Calidad, S.A.U. (INCOSA) | — | 17 Feb 2029estimated |
| Office and computing machinery | ECONOCOM SEMIC, S.A.U. (antes SERVICIOS MICROINFORMÁTICA, S.A.) | — | 9 Oct 2027estimated |
| Printed matter | TALENTUM SERVICIOS PROMOCIONALES, S.L. | — | 24 Jun 2028estimated |
| Clothing and footwear | ITURRI S.A. | €4,120,745 | 27 Oct 2028estimated |
| Other services | ITURRI S.A. | €581,188 | 2 Jun 2028estimated |
| Health and social work | HOSPITAL MONCLOA GRUPO HLA, S.A.U. | €357,327 | 26 Apr 2028estimated |
| Radio, television and communications | SUMINISTROS, IMPORTACIONES Y MANTENIMIENTOS ELECTRÓNICOS, S.A.U. | — | 15 Feb 2027estimated |
| Postal and telecommunications services | UTE TDE-TME MLIX TELEFÓNICA DE ESPAÑA, S.A.U.-TELEFÓNICA MÓVILES ESPAÑA, S.A.U. | €716,078 | 11 Aug 2028estimated |
| Supporting transport services | GESTIÓN TRANSPORTES Y DISTRIBUCIÓN MENSAJEROS, S.L. | — | 21 Jan 2027estimated |
| Transport services | NEX CONTINENTAL HOLDINGS, S.L.U. | €308,736 | 22 Jan 2028estimated |
| Mining and construction machinery | OFFICINE MECCANICHE BBM SPA | — | 3 Apr 2025estimated |
| Culture, sport and recreation | MAGMACULTURA, S.L. | €456,478 | 27 May 2027estimated |