{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T01:36:17Z",
  "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-19PT1IN03W",
    "type": "line",
    "country": "es",
    "name": "Ancillary works for electricity power lines: Spain public contracts since 2024",
    "url": "https://assay-systems.com/register/es/line/ancillary-works-for-electricity-power-lines/",
    "text": [
      "Since January 2024 the line carries 18 award notices from 12 buyers. 183 suppliers share it.",
      "5 in 2024. 8 in 2025. 5 in the first 9 months of 2026.",
      "84 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": "ASCH INFRAESTRUCTURAS Y SERVICIOS, S.A.",
        "url": "https://assay-systems.com/register/es/asch-infraestructuras-y-servicios-s-a/"
      },
      {
        "name": "CITELUM IBÉRICA, S.A.",
        "url": "https://assay-systems.com/register/es/citelum-iberica-s-a/"
      },
      {
        "name": "ELECNOR SERVICIOS Y PROYECTOS SAU",
        "url": "https://assay-systems.com/register/es/elecnor-servicios-y-proyectos-sau/"
      },
      {
        "name": "SAWATCO IBERICA S.L.",
        "url": "https://assay-systems.com/register/es/sawatco-iberica-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": "ABALA INFRAESTRUCTURAS, S.L.",
        "url": "https://assay-systems.com/register/es/abala-infraestructuras-s-l/"
      },
      {
        "name": "ACCIONA CONSTRUCCIÓN, S.A.",
        "url": "https://assay-systems.com/register/es/acciona-construccion-s-a/"
      },
      {
        "name": "Acciona Esco, S.L.",
        "url": "https://assay-systems.com/register/es/acciona-esco-s-l/"
      },
      {
        "name": "ACEINSA LEVANTE, S.A.",
        "url": "https://assay-systems.com/register/es/aceinsa-levante-s-a/"
      },
      {
        "name": "ACEINSA MOVILIDAD, S.A.",
        "url": "https://assay-systems.com/register/es/aceinsa-movilidad-s-a/"
      },
      {
        "name": "ACEINSA SALAMANCA S.A.",
        "url": "https://assay-systems.com/register/es/aceinsa-salamanca-s-a/"
      },
      {
        "name": "ACSA OBRAS E INFRAESTRUCTURAS SAU",
        "url": "https://assay-systems.com/register/es/acsa-obras-e-infraestructuras-sau/"
      },
      {
        "name": "ACTIVIDADES DE INFRAESTRUCTURAS PÚBLICA Y CONSERVACIÓN, S.L.",
        "url": "https://assay-systems.com/register/es/actividades-de-infraestructuras-publica-y-conservacion-s-l/"
      },
      {
        "name": "ADDA OPS SA",
        "url": "https://assay-systems.com/register/es/adda-ops-sa/"
      },
      {
        "name": "ADIANTE INFRAESTRUCTURAS, S.A.-LANTANIA, S.A.U.",
        "url": "https://assay-systems.com/register/es/adiante-infraestructuras-s-a-lantania-s-a-u/"
      },
      {
        "name": "AGRUPACIÓN GUINOVART OBRAS Y SERVICIOS HISPANIA, S.A.",
        "url": "https://assay-systems.com/register/es/agrupacion-guinovart-obras-y-servicios-hispania-s-a/"
      },
      {
        "name": "AGUA RESIDUOS Y MEDIO AMBIENTE, S.A.-CONSTRUCCIONES RUBAU, S.A.",
        "url": "https://assay-systems.com/register/es/agua-residuos-y-medio-ambiente-s-a-construcciones-rubau-s-a/"
      },
      {
        "name": "Alcudia Servicios y Obras, S.L.",
        "url": "https://assay-systems.com/register/es/alcudia-servicios-y-obras-s-l/"
      },
      {
        "name": "ALDESA CONSTRUCCIONES, S.A.",
        "url": "https://assay-systems.com/register/es/aldesa-construcciones-s-a/"
      },
      {
        "name": "ALDESA CONSTRUCCIONES, S.A.- AVINTIA PROYECTOS Y CONSTRUCCIONES, S.L.",
        "url": "https://assay-systems.com/register/es/aldesa-construcciones-s-a-avintia-proyectos-y-construcciones-s-l/"
      },
      {
        "name": "Alitek Ingenieria y Pavimentos, S.L.",
        "url": "https://assay-systems.com/register/es/alitek-ingenieria-y-pavimentos-s-l/"
      },
      {
        "name": "Ambling Ingeniería y Servicios SL",
        "url": "https://assay-systems.com/register/es/ambling-ingenieria-y-servicios-sl/"
      },
      {
        "name": "ANEUM LED SL",
        "url": "https://assay-systems.com/register/es/aneum-led-sl/"
      },
      {
        "name": "Api movilidad S.A.",
        "url": "https://assay-systems.com/register/es/api-movilidad-s-a/"
      },
      {
        "name": "ARGOTEK INSTALACIONES, S.L.U.",
        "url": "https://assay-systems.com/register/es/argotek-instalaciones-s-l-u/"
      },
      {
        "name": "ARNO INFRAESTRUCTURAS, S.L.U.",
        "url": "https://assay-systems.com/register/es/arno-infraestructuras-s-l-u/"
      },
      {
        "name": "ASFALTOMEROS, S.A.",
        "url": "https://assay-systems.com/register/es/asfaltomeros-s-a/"
      },
      {
        "name": "ASFALTOS Y CONSTRUCCIONES AITANA, S.L.",
        "url": "https://assay-systems.com/register/es/asfaltos-y-construcciones-aitana-s-l/"
      },
      {
        "name": "Asfaltos y Construcciones Elsan, S.A.U.",
        "url": "https://assay-systems.com/register/es/asfaltos-y-construcciones-elsan-s-a-u/"
      },
      {
        "name": "ASTECOL INSTALACIONES S.L",
        "url": "https://assay-systems.com/register/es/astecol-instalaciones-s-l/"
      },
      {
        "name": "AVINTIA PROYECTOS Y CONSTRUCCIONES S.L.",
        "url": "https://assay-systems.com/register/es/avintia-proyectos-y-construcciones-s-l/"
      },
      {
        "name": "BECSA, S.A.",
        "url": "https://assay-systems.com/register/es/becsa-s-a/"
      },
      {
        "name": "BECSA, S.A. / ACCIONA CONSTRUCCION, S.A.",
        "url": "https://assay-systems.com/register/es/becsa-s-a-acciona-construccion-s-a/"
      },
      {
        "name": "CANALIZACIONES CIVILES S.A. - PROEMISA S.L.",
        "url": "https://assay-systems.com/register/es/canalizaciones-civiles-s-a-proemisa-s-l/"
      },
      {
        "name": "CANALIZACIONES Y DERRIBOS SAFOR S.L.",
        "url": "https://assay-systems.com/register/es/canalizaciones-y-derribos-safor-s-l/"
      },
      {
        "name": "CHM OBRAS E INFRAESTRUCTURAS S.A-ELSAMEX GESTION DE INFRAESTRUCTURAS S.L.",
        "url": "https://assay-systems.com/register/es/chm-obras-e-infraestructuras-s-a-elsamex-gestion-de-infraestructuras-s-l/"
      },
      {
        "name": "CIVINED, SLU",
        "url": "https://assay-systems.com/register/es/civined-slu/"
      },
      {
        "name": "CM SALVI, SL",
        "url": "https://assay-systems.com/register/es/cm-salvi-sl/"
      },
      {
        "name": "COBRA INSTALACIONES Y SERVICIOS, S.A.",
        "url": "https://assay-systems.com/register/es/cobra-instalaciones-y-servicios-s-a/"
      },
      {
        "name": "COBRA INSTALACIONES Y SERVICIOS, S.A.U.",
        "url": "https://assay-systems.com/register/es/cobra-instalaciones-y-servicios-s-a-u/"
      },
      {
        "name": "COMPAÑÍA GENERAL DE CONSTRUCCIÓN ABALDO S.A.",
        "url": "https://assay-systems.com/register/es/compania-general-de-construccion-abaldo-s-a/"
      },
      {
        "name": "COMPAÑÍA LEVANTINA DE EDIFICACIÓN Y OBRA PÚBLICA SA CLEOP",
        "url": "https://assay-systems.com/register/es/compania-levantina-de-edificacion-y-obra-publica-sa-cleop/"
      },
      {
        "name": "COMPANYIA GENERAL D'AIGÜES DE CATALUNYA, S.A.",
        "url": "https://assay-systems.com/register/es/companyia-general-d-aigues-de-catalunya-s-a/"
      },
      {
        "name": "COMPANYIA GENERAL D'AIGÜES DE CATALUNYA, S.A. - PROEMISA S.L.",
        "url": "https://assay-systems.com/register/es/companyia-general-d-aigues-de-catalunya-s-a-proemisa-s-l/"
      },
      {
        "name": "COMSA INSTALACIONES Y SISTEMAS INDUSTRIALES, S.A.U.",
        "url": "https://assay-systems.com/register/es/comsa-instalaciones-y-sistemas-industriales-s-a-u/"
      },
      {
        "name": "COMSA, S.A.U.",
        "url": "https://assay-systems.com/register/es/comsa-s-a-u/"
      },
      {
        "name": "CONSTRUCCIONES ADOLFO SOBRINO, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-adolfo-sobrino-s-a/"
      },
      {
        "name": "CONSTRUCCIONES RAFAEL ZARZOSO S.L.",
        "url": "https://assay-systems.com/register/es/construcciones-rafael-zarzoso-s-l/"
      },
      {
        "name": "CONSTRUCCIONES RUBAU, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-rubau-s-a/"
      },
      {
        "name": "CONSTRUCCIONES SÁNCHEZ DOMÍNGUEZ-SANDO, S.A.U.",
        "url": "https://assay-systems.com/register/es/construcciones-sanchez-dominguez-sando-s-a-u/"
      },
      {
        "name": "CONSTRUCCIONES URDECON, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-urdecon-s-a/"
      },
      {
        "name": "CONSTRUCTORA SAN JOSE, S.A.",
        "url": "https://assay-systems.com/register/es/constructora-san-jose-s-a/"
      },
      {
        "name": "CONSTRURED OBRAS Y SERVICIOS, S.A.",
        "url": "https://assay-systems.com/register/es/construred-obras-y-servicios-s-a/"
      },
      {
        "name": "COPCISA, S.A.",
        "url": "https://assay-systems.com/register/es/copcisa-s-a/"
      },
      {
        "name": "COPISA CONSTRUCTORA PIRENAICA, S.A.U.",
        "url": "https://assay-systems.com/register/es/copisa-constructora-pirenaica-s-a-u/"
      },
      {
        "name": "COX T&I, SLU",
        "url": "https://assay-systems.com/register/es/cox-t-i-slu/"
      },
      {
        "name": "Cox Water, S.L.U",
        "url": "https://assay-systems.com/register/es/cox-water-s-l-u/"
      },
      {
        "name": "CUERVA ENERGÍA S.L.U",
        "url": "https://assay-systems.com/register/es/cuerva-energia-s-l-u/"
      },
      {
        "name": "Cyes Infraestructuras, S.L.U.",
        "url": "https://assay-systems.com/register/es/cyes-infraestructuras-s-l-u/"
      },
      {
        "name": "CYRESPA ARQUITECTÓNICO, S.L.",
        "url": "https://assay-systems.com/register/es/cyrespa-arquitectonico-s-l/"
      },
      {
        "name": "Cyros Construcción Sostenible, S.L.",
        "url": "https://assay-systems.com/register/es/cyros-construccion-sostenible-s-l/"
      },
      {
        "name": "DISEÑO Y OBJETIVOS DE CONSTRUCCION SL",
        "url": "https://assay-systems.com/register/es/diseno-y-objetivos-de-construccion-sl/"
      },
      {
        "name": "DOALCO, S.A.",
        "url": "https://assay-systems.com/register/es/doalco-s-a/"
      },
      {
        "name": "DRACE GEOCISA, S.A.",
        "url": "https://assay-systems.com/register/es/drace-geocisa-s-a/"
      },
      {
        "name": "DRAGADOS S.A.",
        "url": "https://assay-systems.com/register/es/dragados-s-a/"
      },
      {
        "name": "ECOASFALT, .S.A",
        "url": "https://assay-systems.com/register/es/ecoasfalt-s-a/"
      },
      {
        "name": "ECOCIVIL ELECTROMUR G.E., S.L.",
        "url": "https://assay-systems.com/register/es/ecocivil-electromur-g-e-s-l/"
      },
      {
        "name": "EDIFESA OBRAS Y PROYECTOS, S.A.",
        "url": "https://assay-systems.com/register/es/edifesa-obras-y-proyectos-s-a/"
      },
      {
        "name": "EDIFICACION LOGISTICA, INDUSTRIAL Y TERCIARIA, S.L.",
        "url": "https://assay-systems.com/register/es/edificacion-logistica-industrial-y-terciaria-s-l/"
      },
      {
        "name": "EIFFAGE INFRAESTRUCTURAS, S.A",
        "url": "https://assay-systems.com/register/es/eiffage-infraestructuras-s-a/"
      },
      {
        "name": "ELECTRA HOMEDES, SL",
        "url": "https://assay-systems.com/register/es/electra-homedes-sl/"
      },
      {
        "name": "ELECTRONIC TRAFIC, S.A.",
        "url": "https://assay-systems.com/register/es/electronic-trafic-s-a/"
      },
      {
        "name": "ELECTROTECNIA MONRABAL SLU",
        "url": "https://assay-systems.com/register/es/electrotecnia-monrabal-slu/"
      },
      {
        "name": "Elsamex Gestión de Infraestructuras, S.L.",
        "url": "https://assay-systems.com/register/es/elsamex-gestion-de-infraestructuras-s-l/"
      },
      {
        "name": "ENITEC ELECTRIC S.L.",
        "url": "https://assay-systems.com/register/es/enitec-electric-s-l/"
      },
      {
        "name": "ETRALUX, S.A.",
        "url": "https://assay-systems.com/register/es/etralux-s-a/"
      },
      {
        "name": "FCC CONSTRUCCIÓN, S.A.",
        "url": "https://assay-systems.com/register/es/fcc-construccion-s-a/"
      },
      {
        "name": "FERROVIAL CONSTRUCCIÓN, S.A.",
        "url": "https://assay-systems.com/register/es/ferrovial-construccion-s-a/"
      },
      {
        "name": "FERROVIAL CONSTRUCCIÓN, S.A. y CADAGUA, S.A.",
        "url": "https://assay-systems.com/register/es/ferrovial-construccion-s-a-y-cadagua-s-a/"
      },
      {
        "name": "FERROVIAL ENERGÍA, S.A.",
        "url": "https://assay-systems.com/register/es/ferrovial-energia-s-a/"
      },
      {
        "name": "FIRMES ECOLOGICOS SOLTEC, SA",
        "url": "https://assay-systems.com/register/es/firmes-ecologicos-soltec-sa/"
      },
      {
        "name": "FULTON S.A.",
        "url": "https://assay-systems.com/register/es/fulton-s-a/"
      },
      {
        "name": "GESTION INTEGRAL DE RESIDUOS SÓLIDOS, S.A.",
        "url": "https://assay-systems.com/register/es/gestion-integral-de-residuos-solidos-s-a/"
      },
      {
        "name": "GESTIÓN Y EJECUCIÓN DE OBRA CIVIL S.A.U.",
        "url": "https://assay-systems.com/register/es/gestion-y-ejecucion-de-obra-civil-s-a-u/"
      },
      {
        "name": "Global Omnium Medioambiente. S.L. - Canalizaciones Civiles S.A.",
        "url": "https://assay-systems.com/register/es/global-omnium-medioambiente-s-l-canalizaciones-civiles-s-a/"
      },
      {
        "name": "GONZALEZ SOTO, S.A.",
        "url": "https://assay-systems.com/register/es/gonzalez-soto-s-a/"
      },
      {
        "name": "GOSADEX SL",
        "url": "https://assay-systems.com/register/es/gosadex-sl/"
      },
      {
        "name": "GRUPO BERTOLIN, SAU",
        "url": "https://assay-systems.com/register/es/grupo-bertolin-sau/"
      },
      {
        "name": "GUEROLA ÁRIDOS Y HORMIGONES S.L",
        "url": "https://assay-systems.com/register/es/guerola-aridos-y-hormigones-s-l/"
      },
      {
        "name": "GUEROLA INFRAESTRUCTURAS S.L.U.",
        "url": "https://assay-systems.com/register/es/guerola-infraestructuras-s-l-u/"
      },
      {
        "name": "ICUBE INGENIERÍA, INTERNACIONALIZACIÓN E INNOVACIÓN S.L.",
        "url": "https://assay-systems.com/register/es/icube-ingenieria-internacionalizacion-e-innovacion-s-l/"
      },
      {
        "name": "IGNIS H2O, S.L.-PROEMISA, S.L.",
        "url": "https://assay-systems.com/register/es/ignis-h2o-s-l-proemisa-s-l/"
      },
      {
        "name": "IMESAPI, S.A.",
        "url": "https://assay-systems.com/register/es/imesapi-s-a/"
      },
      {
        "name": "INAM",
        "url": "https://assay-systems.com/register/es/inam/"
      },
      {
        "name": "INDICIA, S.L.",
        "url": "https://assay-systems.com/register/es/indicia-s-l/"
      },
      {
        "name": "INFRAESTRUCTURAS Y SERVICIOS SERVITRIA, S.A.",
        "url": "https://assay-systems.com/register/es/infraestructuras-y-servicios-servitria-s-a/"
      },
      {
        "name": "INNOVACIONES TECNOLÓGICAS DEL SUR, S.L.",
        "url": "https://assay-systems.com/register/es/innovaciones-tecnologicas-del-sur-s-l/"
      },
      {
        "name": "INSTALACIONES Y SISTEMAS HIDRAULICOS S.L.",
        "url": "https://assay-systems.com/register/es/instalaciones-y-sistemas-hidraulicos-s-l/"
      },
      {
        "name": "Jofraser Servicios Integrales, S.L.",
        "url": "https://assay-systems.com/register/es/jofraser-servicios-integrales-s-l/"
      },
      {
        "name": "LANTANIA S.A.U-STM Alta Tensión SAU",
        "url": "https://assay-systems.com/register/es/lantania-s-a-u-stm-alta-tension-sau/"
      },
      {
        "name": "MANTENIMIENTO DE ESTACIONES ,S.L.",
        "url": "https://assay-systems.com/register/es/mantenimiento-de-estaciones-s-l/"
      },
      {
        "name": "MARCO INFRAESTRUCTURAS Y MEDIO AMBIENTE, S.A.",
        "url": "https://assay-systems.com/register/es/marco-infraestructuras-y-medio-ambiente-s-a/"
      },
      {
        "name": "MARTÍN HOLGADO OBRA CIVIL, S.L.U.",
        "url": "https://assay-systems.com/register/es/martin-holgado-obra-civil-s-l-u/"
      },
      {
        "name": "MEDITERRÁNEO DE OBRAS Y ASFALTOS S.A.",
        "url": "https://assay-systems.com/register/es/mediterraneo-de-obras-y-asfaltos-s-a/"
      },
      {
        "name": "MONTAJES ELECTRICOS ESBER, S.L.",
        "url": "https://assay-systems.com/register/es/montajes-electricos-esber-s-l/"
      },
      {
        "name": "MONTAJES ELÉCTRICOS Y FOMENTOS SUR, S.L.",
        "url": "https://assay-systems.com/register/es/montajes-electricos-y-fomentos-sur-s-l/"
      },
      {
        "name": "Montaxes Electricas Noroeste SL",
        "url": "https://assay-systems.com/register/es/montaxes-electricas-noroeste-sl/"
      },
      {
        "name": "MURAT CONSTRUCCION Y MANTENIMIENTO SLU",
        "url": "https://assay-systems.com/register/es/murat-construccion-y-mantenimiento-slu/"
      },
      {
        "name": "NERCO INFRAESTRUCTURAS SL",
        "url": "https://assay-systems.com/register/es/nerco-infraestructuras-sl/"
      },
      {
        "name": "NITLUX, S.A.U.",
        "url": "https://assay-systems.com/register/es/nitlux-s-a-u/"
      },
      {
        "name": "OBRASCON HUARTE LAIN SA",
        "url": "https://assay-systems.com/register/es/obrascon-huarte-lain-sa/"
      },
      {
        "name": "OBRAS Y SERVICIOS PUBLICOS, S.A.",
        "url": "https://assay-systems.com/register/es/obras-y-servicios-publicos-s-a/"
      },
      {
        "name": "OCIDE CONSTRUCCION S.A.",
        "url": "https://assay-systems.com/register/es/ocide-construccion-s-a/"
      },
      {
        "name": "OHL SERVICIOS - INGESAN",
        "url": "https://assay-systems.com/register/es/ohl-servicios-ingesan/"
      },
      {
        "name": "ORTHEM SERVICIOS Y ACTUACIONES AMBIENTALES, SAU",
        "url": "https://assay-systems.com/register/es/orthem-servicios-y-actuaciones-ambientales-sau/"
      },
      {
        "name": "ORTIZ CONSTRUCCIONES Y PROYECTOS SA",
        "url": "https://assay-systems.com/register/es/ortiz-construcciones-y-proyectos-sa/"
      },
      {
        "name": "ORTIZ CONSTRUCCIONES Y PROYECTOS SA / ASTEISA TRATAMIENTOS DE AGUA, S.A.U.",
        "url": "https://assay-systems.com/register/es/ortiz-construcciones-y-proyectos-sa-ingenieria-y-disenos-tecnicos-s-a-u/"
      },
      {
        "name": "PADECASA OBRAS Y SERVICIOS, S.A.",
        "url": "https://assay-systems.com/register/es/padecasa-obras-y-servicios-s-a/"
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      {
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    ],
    "assay_record": "ASY-ES-19PT1IN03W",
    "cite_as": "Assay Systems, \"Ancillary works for electricity power lines: Spain public contracts since 2024\", https://assay-systems.com/register/es/line/ancillary-works-for-electricity-power-lines/"
  }
}