{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T15:00:23Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-ES-1MR1PPO03G",
    "type": "line",
    "country": "es",
    "name": "Repair and maintenance services of transformers: Spain public contracts since 2024",
    "url": "https://assay-systems.com/register/es/line/repair-and-maintenance-services-of-transformers/",
    "text": [
      "Since January 2024 the line carries 72 award notices from 48 buyers. 120 suppliers share it.",
      "14 in 2024. 32 in 2025. 26 in the first 9 months of 2026.",
      "39 of them had no award notice in the register from November 2023 to 2024.",
      "Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.",
      "Share of the line held by each of its largest suppliers, by number of award notices, in the TED register for Spain."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/es/"
      },
      {
        "name": "ELECNOR SERVICIOS Y PROYECTOS, S.A.U.",
        "url": "https://assay-systems.com/register/es/elecnor-servicios-y-proyectos-s-a-u/"
      },
      {
        "name": "COMSA SERVICE FACILITY MANAGEMENT, S.A.U.",
        "url": "https://assay-systems.com/register/es/comsa-service-facility-management-s-a-u/"
      },
      {
        "name": "MONCOBRA, S.A.",
        "url": "https://assay-systems.com/register/es/moncobra-s-a/"
      },
      {
        "name": "SERVEO SERVICIOS, S.A.U.",
        "url": "https://assay-systems.com/register/es/serveo-servicios-s-a-u/"
      },
      {
        "name": "ACCIONA FACILITY SERVICES, S.A.",
        "url": "https://assay-systems.com/register/es/acciona-facility-services-s-a/"
      },
      {
        "name": "EULEN, S.A.",
        "url": "https://assay-systems.com/register/es/eulen-s-a/"
      },
      {
        "name": "IMESAPI, S.A.",
        "url": "https://assay-systems.com/register/es/imesapi-s-a/"
      },
      {
        "name": "ACCIONA AGUA, S.A.",
        "url": "https://assay-systems.com/register/es/acciona-agua-s-a/"
      },
      {
        "name": "BEXTRON POWER S.L.",
        "url": "https://assay-systems.com/register/es/bextron-power-s-l/"
      },
      {
        "name": "CLECE FS, S.A.",
        "url": "https://assay-systems.com/register/es/clece-fs-s-a/"
      },
      {
        "name": "COMPAÑÍA DE EFICIENCIA Y SERVICIOS INTEGRALES, S.L.",
        "url": "https://assay-systems.com/register/es/compania-de-eficiencia-y-servicios-integrales-s-l/"
      },
      {
        "name": "ELDU ARAGON S.A.",
        "url": "https://assay-systems.com/register/es/eldu-aragon-s-a/"
      },
      {
        "name": "ETRALUX, S.A.",
        "url": "https://assay-systems.com/register/es/etralux-s-a/"
      },
      {
        "name": "FCC Aqualia, S.A.",
        "url": "https://assay-systems.com/register/es/fcc-aqualia-s-a/"
      },
      {
        "name": "ISLASFALTO, S.L.",
        "url": "https://assay-systems.com/register/es/islasfalto-s-l/"
      },
      {
        "name": "MELCHOR MASCARÓ S.A.U",
        "url": "https://assay-systems.com/register/es/melchor-mascaro-s-a-u/"
      },
      {
        "name": "OHL SERVICIOS INGESAN, S.A.",
        "url": "https://assay-systems.com/register/es/ohl-servicios-ingesan-s-a/"
      },
      {
        "name": "OTIS MOBILITY S.A.",
        "url": "https://assay-systems.com/register/es/otis-mobility-s-a/"
      },
      {
        "name": "REMONDIS IBERIA, SAU",
        "url": "https://assay-systems.com/register/es/remondis-iberia-sau/"
      },
      {
        "name": "SERVEO FACILITY MANAGEMENT, S.A.",
        "url": "https://assay-systems.com/register/es/serveo-facility-management-s-a/"
      },
      {
        "name": "SOCIEDAD DE FOMENTO AGRÍCOLA CASTELLONENSE, S.A.",
        "url": "https://assay-systems.com/register/es/sociedad-de-fomento-agricola-castellonense-s-a/"
      },
      {
        "name": "SOCIEDAD GENERAL DE AGUAS DE BARCELONA SAU",
        "url": "https://assay-systems.com/register/es/sociedad-general-de-aguas-de-barcelona-sau/"
      },
      {
        "name": "TRENASA S.A.",
        "url": "https://assay-systems.com/register/es/trenasa-s-a/"
      },
      {
        "name": "YOMEE ENERGY SERVICES, S.L.",
        "url": "https://assay-systems.com/register/es/yomee-energy-services-s-l/"
      },
      {
        "name": "ACISA",
        "url": "https://assay-systems.com/register/es/acisa/"
      },
      {
        "name": "ACTUACIONES DE DEMOLICIONES Y CONSTRUCCIÓN SL",
        "url": "https://assay-systems.com/register/es/actuaciones-de-demoliciones-y-construccion-sl/"
      },
      {
        "name": "Also Casals Instal·lacions, S.L.",
        "url": "https://assay-systems.com/register/es/also-casals-instal-lacions-s-l/"
      },
      {
        "name": "APPLUS NORCONTROL, S.L.U.",
        "url": "https://assay-systems.com/register/es/applus-norcontrol-s-l-u/"
      },
      {
        "name": "AQUAMBIENTE SERVICIOS PARA EL SECTOR DEL AGUA, S.A.U",
        "url": "https://assay-systems.com/register/es/aquambiente-servicios-para-el-sector-del-agua-s-a-u/"
      },
      {
        "name": "ASEA BROWN BOVERI S.L.U",
        "url": "https://assay-systems.com/register/es/asea-brown-boveri-s-l-u/"
      },
      {
        "name": "ASIME, S.A.",
        "url": "https://assay-systems.com/register/es/asime-s-a/"
      },
      {
        "name": "ASSA ABLOY ENTRANCE SYSTEMS SPAIN SAU",
        "url": "https://assay-systems.com/register/es/assa-abloy-entrance-systems-spain-sau/"
      },
      {
        "name": "ASUE, S.A.",
        "url": "https://assay-systems.com/register/es/asue-s-a/"
      },
      {
        "name": "AUDECA, S.L.U.",
        "url": "https://assay-systems.com/register/es/audeca-s-l-u/"
      },
      {
        "name": "BIBLION IBERICA, S.L.",
        "url": "https://assay-systems.com/register/es/biblion-iberica-s-l/"
      },
      {
        "name": "Cabo Roca SL",
        "url": "https://assay-systems.com/register/es/cabo-roca-sl/"
      },
      {
        "name": "CASERVI MANTENIMIENTOS GENERALES SL",
        "url": "https://assay-systems.com/register/es/caservi-mantenimientos-generales-sl/"
      },
      {
        "name": "CGS MOVILIDAD S.L.",
        "url": "https://assay-systems.com/register/es/cgs-movilidad-s-l/"
      },
      {
        "name": "COMSA, S.A.U. y COMSA INSTALACIONES Y SISTEMAS INDUSTRIALES, S.A.U., UNION TEMPORAL DE EMPRESAS, LEY 18/1982, abreviadamente \"UTE MANTENIMIENTO LAC ALICANTE\"",
        "url": "https://assay-systems.com/register/es/comsa-s-a-u-y-comsa-instalaciones-y-sistemas-industriales-s-a-u-union-temporal-de-empresas-ley-18-1982-abreviadamente-ute-mantenimiento-lac-alicante/"
      },
      {
        "name": "COMSA Service FM SAU",
        "url": "https://assay-systems.com/register/es/comsa-service-fm-sau/"
      },
      {
        "name": "COMSA SERVICE FM S.A.U.-ENRIQUE COCA S.A.",
        "url": "https://assay-systems.com/register/es/comsa-service-fm-s-a-u-enrique-coca-s-a/"
      },
      {
        "name": "CONEGOAL SL",
        "url": "https://assay-systems.com/register/es/conegoal-sl/"
      },
      {
        "name": "Control de Plagues IRCO, S.L.",
        "url": "https://assay-systems.com/register/es/control-de-plagues-irco-s-l/"
      },
      {
        "name": "COVESA 2020 PROYECTOS Y SERVICIOS, S.L.",
        "url": "https://assay-systems.com/register/es/covesa-2020-proyectos-y-servicios-s-l/"
      },
      {
        "name": "DECON-86, S.A.",
        "url": "https://assay-systems.com/register/es/decon-86-s-a/"
      },
      {
        "name": "De Wilde Pinchetti S.L.",
        "url": "https://assay-systems.com/register/es/de-wilde-pinchetti-s-l/"
      },
      {
        "name": "DUMIPAL XXI SL",
        "url": "https://assay-systems.com/register/es/dumipal-xxi-sl/"
      },
      {
        "name": "Ecosiona Facility Services S.L.",
        "url": "https://assay-systems.com/register/es/ecosiona-facility-services-s-l/"
      },
      {
        "name": "Eiffage Energia S.L.U.",
        "url": "https://assay-systems.com/register/es/eiffage-energia-s-l-u/"
      },
      {
        "name": "ELDU ELECTROAPLICACIONES,S.A",
        "url": "https://assay-systems.com/register/es/eldu-electroaplicaciones-s-a/"
      },
      {
        "name": "ELDU, S.A.",
        "url": "https://assay-systems.com/register/es/eldu-s-a/"
      },
      {
        "name": "ELECNOR SERVICIOS Y PROYECTOS SAU",
        "url": "https://assay-systems.com/register/es/elecnor-servicios-y-proyectos-sau/"
      },
      {
        "name": "ELECTRONIC TRAFIC, S.A.",
        "url": "https://assay-systems.com/register/es/electronic-trafic-s-a/"
      },
      {
        "name": "ELECTRORAYMA S.L",
        "url": "https://assay-systems.com/register/es/electrorayma-s-l/"
      },
      {
        "name": "EL EJIDILLO VIVEROS INTEGRALES S.L.",
        "url": "https://assay-systems.com/register/es/el-ejidillo-viveros-integrales-s-l/"
      },
      {
        "name": "ELITELCA S.L.",
        "url": "https://assay-systems.com/register/es/elitelca-s-l/"
      },
      {
        "name": "Elsamex Gestión de Infraestructuras",
        "url": "https://assay-systems.com/register/es/elsamex-gestion-de-infraestructuras/"
      },
      {
        "name": "ENEAS SERVICIOS INTEGRALES, S.A.",
        "url": "https://assay-systems.com/register/es/eneas-servicios-integrales-s-a/"
      },
      {
        "name": "EULEN SA",
        "url": "https://assay-systems.com/register/es/eulen-sa/"
      },
      {
        "name": "FCC INDUSTRIAL E INFRAESTRUCTURAS ENERGÉTICAS, S.A.U.",
        "url": "https://assay-systems.com/register/es/fcc-industrial-e-infraestructuras-energeticas-s-a-u/"
      },
      {
        "name": "FIBRAMUR, S.L.",
        "url": "https://assay-systems.com/register/es/fibramur-s-l/"
      },
      {
        "name": "FISSA SERVICIOS AUXILIARES, S.L.U.",
        "url": "https://assay-systems.com/register/es/fissa-servicios-auxiliares-s-l-u/"
      },
      {
        "name": "FULTON SERVICIOS INTEGRALES SA",
        "url": "https://assay-systems.com/register/es/fulton-servicios-integrales-sa/"
      },
      {
        "name": "FULTON SERVICIOS INTEGRALES, S.A.",
        "url": "https://assay-systems.com/register/es/fulton-servicios-integrales-s-a/"
      },
      {
        "name": "Global Omnium Medioambiente. S.L. - Pesa Medioambiente, S.A.U.",
        "url": "https://assay-systems.com/register/es/global-omnium-medioambiente-s-l-pesa-medioambiente-s-a-u/"
      },
      {
        "name": "GRUPO JG ALQUILER DE MAQUINTARIA Y OBRAS SL",
        "url": "https://assay-systems.com/register/es/grupo-jg-alquiler-de-maquintaria-y-obras-sl/"
      },
      {
        "name": "Gysen Plus S.A.",
        "url": "https://assay-systems.com/register/es/gysen-plus-s-a/"
      },
      {
        "name": "HARADO DE CONSTRUCCIONES Y ASISTENCIA TÉCNICA S.L.",
        "url": "https://assay-systems.com/register/es/harado-de-construcciones-y-asistencia-tecnica-s-l/"
      },
      {
        "name": "IELO PROYECTOS E INSTALACIONES S.L.",
        "url": "https://assay-systems.com/register/es/ielo-proyectos-e-instalaciones-s-l/"
      },
      {
        "name": "IGM, ingenieria y gestión medioambiental, s.l.",
        "url": "https://assay-systems.com/register/es/igm-ingenieria-y-gestion-medioambiental-s-l/"
      },
      {
        "name": "ILUMINACIONES XIMENEZ, S.A.U.",
        "url": "https://assay-systems.com/register/es/iluminaciones-ximenez-s-a-u/"
      },
      {
        "name": "INDUSTRIA Y MONTAJES ELECTRICOS, S.A",
        "url": "https://assay-systems.com/register/es/industria-y-montajes-electricos-s-a/"
      },
      {
        "name": "INGENIERÍA DE CUBIERTAS DAFER S.L.",
        "url": "https://assay-systems.com/register/es/ingenieria-de-cubiertas-dafer-s-l/"
      },
      {
        "name": "INSAE INFRAESTRUCTURAS, S.A.",
        "url": "https://assay-systems.com/register/es/insae-infraestructuras-s-a/"
      },
      {
        "name": "INSTALACION DIRECTA, S.L.",
        "url": "https://assay-systems.com/register/es/instalacion-directa-s-l/"
      },
      {
        "name": "INSTALACIONES CARLOS BARROSO S.L.",
        "url": "https://assay-systems.com/register/es/instalaciones-carlos-barroso-s-l/"
      },
      {
        "name": "INSTALACIONES ELECTRICAS PORCAR, SL",
        "url": "https://assay-systems.com/register/es/instalaciones-electricas-porcar-sl/"
      },
      {
        "name": "ITURRI S.A.",
        "url": "https://assay-systems.com/register/es/iturri-s-a/"
      },
      {
        "name": "Jecma Consultoría y Medio Ambiente, S.L.",
        "url": "https://assay-systems.com/register/es/jecma-consultoria-y-medio-ambiente-s-l/"
      },
      {
        "name": "KONE ELEVADORES, S.A.",
        "url": "https://assay-systems.com/register/es/kone-elevadores-s-a/"
      },
      {
        "name": "LIMONIASTRUM, SL",
        "url": "https://assay-systems.com/register/es/limoniastrum-sl/"
      },
      {
        "name": "LOTE 1 - ELECNOR SERVICIOS Y PROYECTOS S.A.U.",
        "url": "https://assay-systems.com/register/es/lote-1-elecnor-servicios-y-proyectos-s-a-u/"
      },
      {
        "name": "LOTE 2 - MONCOBRA, S.A.",
        "url": "https://assay-systems.com/register/es/lote-2-moncobra-s-a/"
      },
      {
        "name": "LYP TELECOMUNICACIONES S.L.",
        "url": "https://assay-systems.com/register/es/lyp-telecomunicaciones-s-l/"
      },
      {
        "name": "MESAT, S.L.",
        "url": "https://assay-systems.com/register/es/mesat-s-l/"
      },
      {
        "name": "MONCOBRA SA",
        "url": "https://assay-systems.com/register/es/moncobra-sa/"
      },
      {
        "name": "MONTAJES ELECTRICOS ELECTRISUR S.L.",
        "url": "https://assay-systems.com/register/es/montajes-electricos-electrisur-s-l/"
      },
      {
        "name": "MONTAJES ELECTRICOS GARROTE, S.L.",
        "url": "https://assay-systems.com/register/es/montajes-electricos-garrote-s-l/"
      },
      {
        "name": "NAGAR DECORACION SLU",
        "url": "https://assay-systems.com/register/es/nagar-decoracion-slu/"
      },
      {
        "name": "Nemea Sistemes Contra Incendis, S.L.",
        "url": "https://assay-systems.com/register/es/nemea-sistemes-contra-incendis-s-l/"
      },
      {
        "name": "NOVOCLIMA, S.A.",
        "url": "https://assay-systems.com/register/es/novoclima-s-a/"
      },
      {
        "name": "NUEVAS CONSTRUCCIONES DE SOL A SOL S.L",
        "url": "https://assay-systems.com/register/es/nuevas-construcciones-de-sol-a-sol-s-l/"
      },
      {
        "name": "OASYS PCI, S.L.U.",
        "url": "https://assay-systems.com/register/es/oasys-pci-s-l-u/"
      },
      {
        "name": "OBRAS Y PAVIMENTACIONES MAN SAU",
        "url": "https://assay-systems.com/register/es/obras-y-pavimentaciones-man-sau/"
      },
      {
        "name": "Orona S. Coop.",
        "url": "https://assay-systems.com/register/es/orona-s-coop/"
      },
      {
        "name": "ORTHEM SERVICIOS Y ACTUACIONES AMBIENTALES, SAU",
        "url": "https://assay-systems.com/register/es/orthem-servicios-y-actuaciones-ambientales-sau/"
      },
      {
        "name": "PINTURAS A. CASTELLANOS, S.L",
        "url": "https://assay-systems.com/register/es/pinturas-a-castellanos-s-l/"
      },
      {
        "name": "PRODAM PROYECTOS Y AMIANTO, S.L.",
        "url": "https://assay-systems.com/register/es/prodam-proyectos-y-amianto-s-l/"
      },
      {
        "name": "PROLISER S.L.",
        "url": "https://assay-systems.com/register/es/proliser-s-l/"
      },
      {
        "name": "PROSEÑAL, S.L.U.",
        "url": "https://assay-systems.com/register/es/prosenal-s-l-u/"
      },
      {
        "name": "RAIN-MAN IMPERMEABILIZACIONES, S.L.",
        "url": "https://assay-systems.com/register/es/rain-man-impermeabilizaciones-s-l/"
      },
      {
        "name": "RAMON Y CONCHI, S.A.",
        "url": "https://assay-systems.com/register/es/ramon-y-conchi-s-a/"
      },
      {
        "name": "REGENERA LEVANTE, S.L.",
        "url": "https://assay-systems.com/register/es/regenera-levante-s-l/"
      },
      {
        "name": "RIELLO ENERDATA, S.L.U.",
        "url": "https://assay-systems.com/register/es/riello-enerdata-s-l-u/"
      },
      {
        "name": "SACYR FACILITIES, S.A.",
        "url": "https://assay-systems.com/register/es/sacyr-facilities-s-a/"
      },
      {
        "name": "SALICRU, S.A.",
        "url": "https://assay-systems.com/register/es/salicru-s-a/"
      },
      {
        "name": "Segla Asociados S.L.",
        "url": "https://assay-systems.com/register/es/segla-asociados-s-l/"
      },
      {
        "name": "SEIMSEG MANTENIMIENTOS S.L.",
        "url": "https://assay-systems.com/register/es/seimseg-mantenimientos-s-l/"
      },
      {
        "name": "Sief2, S.L.",
        "url": "https://assay-systems.com/register/es/sief2-s-l/"
      },
      {
        "name": "TECMAN SERVICIOS DE VALOR AÑADIDO S L",
        "url": "https://assay-systems.com/register/es/tecman-servicios-de-valor-anadido-s-l/"
      },
      {
        "name": "TÉCNICOS ALARMAS, S.A.",
        "url": "https://assay-systems.com/register/es/tecnicos-alarmas-s-a/"
      },
      {
        "name": "TECUNI, SAU",
        "url": "https://assay-systems.com/register/es/tecuni-sau/"
      },
      {
        "name": "TEODORO DEL BARRIO S.A.",
        "url": "https://assay-systems.com/register/es/teodoro-del-barrio-s-a/"
      },
      {
        "name": "TRABAJOS ESPECIALES MONTEFAN, S.L.",
        "url": "https://assay-systems.com/register/es/trabajos-especiales-montefan-s-l/"
      },
      {
        "name": "URBIA INTERMEDIACIÓN INGENIERÍA Y SERVICIOS S.A.",
        "url": "https://assay-systems.com/register/es/urbia-intermediacion-ingenieria-y-servicios-s-a/"
      },
      {
        "name": "UTE GIROA VSNORTE BARAKALDO",
        "url": "https://assay-systems.com/register/es/ute-giroa-vsnorte-barakaldo/"
      },
      {
        "name": "UTE Global Omnium Medioambiente. S.L.- Pesa Medioambiente., S.A.U.",
        "url": "https://assay-systems.com/register/es/ute-global-omnium-medioambiente-s-l-pesa-medioambiente-s-a-u/"
      },
      {
        "name": "VALDONAIRE SOLUCIONES TÉCNICAS, S.L.",
        "url": "https://assay-systems.com/register/es/valdonaire-soluciones-tecnicas-s-l/"
      },
      {
        "name": "Vértice Vertical SLU",
        "url": "https://assay-systems.com/register/es/vertice-vertical-slu/"
      }
    ],
    "assay_record": "ASY-ES-1MR1PPO03G",
    "cite_as": "Assay Systems, \"Repair and maintenance services of transformers: Spain public contracts since 2024\", https://assay-systems.com/register/es/line/repair-and-maintenance-services-of-transformers/"
  }
}