{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-20T00:03:02Z",
  "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-1AHZ3DO1V1",
    "type": "line",
    "country": "es",
    "name": "Houses construction work: Spain public contracts since 2024",
    "url": "https://assay-systems.com/register/es/line/houses-construction-work/",
    "text": [
      "Since January 2024 the line carries 98 award notices from 34 buyers. 88 suppliers share it.",
      "19 in 2024. 42 in 2025. 37 in the first 9 months of 2026.",
      "47 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/line/"
      },
      {
        "name": "CONSTRUCCIONES RAMIREZ, SL",
        "url": "https://assay-systems.com/register/es/construcciones-ramirez-sl/"
      },
      {
        "name": "CYOPSA-SISOCIA, S:A",
        "url": "https://assay-systems.com/register/es/cyopsa-sisocia-s-a/"
      },
      {
        "name": "ASCH INFRAESTRUCTURAS Y SERVICIOS, S.A.",
        "url": "https://assay-systems.com/register/es/asch-infraestructuras-y-servicios-s-a/"
      },
      {
        "name": "TABLEROS Y PUENTES,S.A.",
        "url": "https://assay-systems.com/register/es/tableros-y-puentes-s-a/"
      },
      {
        "name": "ACCIONA CONSTRUCCIÓN, S.A.",
        "url": "https://assay-systems.com/register/es/acciona-construccion-s-a/"
      },
      {
        "name": "CITANIAS OBRAS Y SERVICIOS SL",
        "url": "https://assay-systems.com/register/es/citanias-obras-y-servicios-sl/"
      },
      {
        "name": "CONSTRUCCIONES AMENABAR, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-amenabar-s-a/"
      },
      {
        "name": "CONSTRUCCIONES MARIANO LÓPEZ NAVARRO, S.A.U.",
        "url": "https://assay-systems.com/register/es/construcciones-mariano-lopez-navarro-s-a-u/"
      },
      {
        "name": "ACCIONA CONSTRUCCION SA",
        "url": "https://assay-systems.com/register/es/acciona-construccion-sa/"
      },
      {
        "name": "CITANIAS OBRAS Y SERVICIOS, S.L.U.",
        "url": "https://assay-systems.com/register/es/citanias-obras-y-servicios-s-l-u/"
      },
      {
        "name": "CONSTRUCCIONES RUESMA, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-ruesma-s-a/"
      },
      {
        "name": "CONSTRUCTORA SAN JOSE, S.A.",
        "url": "https://assay-systems.com/register/es/constructora-san-jose-s-a/"
      },
      {
        "name": "CONSTRUPLAN, CONSTRUCCIONES Y PLANIFICACIÓN, S.L.",
        "url": "https://assay-systems.com/register/es/construplan-construcciones-y-planificacion-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": "ORECO BALGÓN SA",
        "url": "https://assay-systems.com/register/es/oreco-balgon-sa/"
      },
      {
        "name": "PRACE SERVICIOS Y OBRAS SA",
        "url": "https://assay-systems.com/register/es/prace-servicios-y-obras-sa/"
      },
      {
        "name": "ROGASA CONSTRUCCIONES Y CONTRATAS, SAU",
        "url": "https://assay-systems.com/register/es/rogasa-construcciones-y-contratas-sau/"
      },
      {
        "name": "TECNOLOGIA DE LA CONSTRUCCION Y OBRAS PUBLICAS, S.A.",
        "url": "https://assay-systems.com/register/es/tecnologia-de-la-construccion-y-obras-publicas-s-a/"
      },
      {
        "name": "15 ADJUDICATARIS LOT 2",
        "url": "https://assay-systems.com/register/es/15-adjudicataris-lot-2/"
      },
      {
        "name": "8 ADJUDICATARIS LOT 1",
        "url": "https://assay-systems.com/register/es/8-adjudicataris-lot-1/"
      },
      {
        "name": "ABECONSA SLU-FTC OBRAS Y ENERGIA SA UTE LEY 18/1982 26 MAYO",
        "url": "https://assay-systems.com/register/es/abeconsa-slu-ftc-obras-y-energia-sa-ute-ley-18-1982-26-mayo/"
      },
      {
        "name": "AFRICANA DE CONTRATAS Y CONSTRUCCIONES SL & LIROLA INGENIERÍA Y OBRAS S.L UNIÓN TEMPORAL DE EMPRESAS \"UTE 102 VIVIENDAS ALQUILER POZO RAYO DE CEUTA\"",
        "url": "https://assay-systems.com/register/es/africana-de-contratas-y-construcciones-sl-lirola-ingenieria-y-obras-s-l-union-temporal-de-empresas-ute-102-viviendas-alquiler-pozo-rayo-de-ceuta/"
      },
      {
        "name": "Alcudia Servicios y Obras, S.L.",
        "url": "https://assay-systems.com/register/es/alcudia-servicios-y-obras-s-l/"
      },
      {
        "name": "AQUATERRA SERVICIOS INFRAESTRUCTURAS S.L.",
        "url": "https://assay-systems.com/register/es/aquaterra-servicios-infraestructuras-s-l/"
      },
      {
        "name": "AQUATERRA SERVICIOS INFRAESTRUCTURAS, S.L., ARNO INFRAESTRUCTURAS, S.L.U. Y BENITO ARNÓ E HIJOS, S.A.U., UNION TEMPORAL DE EMPRESAS, LEY 18/82 de 26 de mayo, en anagrama UTE VALLECAS 62",
        "url": "https://assay-systems.com/register/es/aquaterra-servicios-infraestructuras-s-l-arno-infraestructuras-s-l-u-y-benito-arno-e-hijos-s-a-u-union-temporal-de-empresas-ley-18-82-de-26-de-mayo-en-anagrama-ute-vallecas-62/"
      },
      {
        "name": "AVANTE CONSTRUCCION, INFRAESTRUCTURAS Y SERVICIOS, S.L.",
        "url": "https://assay-systems.com/register/es/avante-construccion-infraestructuras-y-servicios-s-l/"
      },
      {
        "name": "AVANZA SERVICIOS INTEGRALES S.L.U.",
        "url": "https://assay-systems.com/register/es/avanza-servicios-integrales-s-l-u/"
      },
      {
        "name": "CITANIAS OBRAS SERVICIOS SLU",
        "url": "https://assay-systems.com/register/es/citanias-obras-servicios-slu/"
      },
      {
        "name": "CIVIS GLOBAL, SLU",
        "url": "https://assay-systems.com/register/es/civis-global-slu/"
      },
      {
        "name": "“CJM OBRAS Y GESTIÓN SOSTENIBLE S.L.”",
        "url": "https://assay-systems.com/register/es/cjm-obras-y-gestion-sostenible-s-l/"
      },
      {
        "name": "CONSTRUCCIONES ADOLFO SOBRINO, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-adolfo-sobrino-s-a/"
      },
      {
        "name": "CONSTRUCCIONES AMENABAR SA",
        "url": "https://assay-systems.com/register/es/construcciones-amenabar-sa/"
      },
      {
        "name": "CONSTRUCCIONES FHIMASA, S.A.",
        "url": "https://assay-systems.com/register/es/construcciones-fhimasa-s-a/"
      },
      {
        "name": "Construcciones Hnos. Garbayo Chivite S.L",
        "url": "https://assay-systems.com/register/es/construcciones-hnos-garbayo-chivite-s-l/"
      },
      {
        "name": "Construcciones López Cao, S.L. - Ingeniería y Construcciones Melcor, S.L. - ÁBACO CR, S.L.",
        "url": "https://assay-systems.com/register/es/construcciones-lopez-cao-s-l-ingenieria-y-construcciones-melcor-s-l-abaco-cr-s-l/"
      },
      {
        "name": "CONSTRUCCIONES Y PROYECTOS ABILLEIRA SL",
        "url": "https://assay-systems.com/register/es/construcciones-y-proyectos-abilleira-sl/"
      },
      {
        "name": "CONSTRUCTORA SAN JOSE SA",
        "url": "https://assay-systems.com/register/es/constructora-san-jose-sa/"
      },
      {
        "name": "COPCISA, S.A.",
        "url": "https://assay-systems.com/register/es/copcisa-s-a/"
      },
      {
        "name": "CYCASA, CANTERAS Y CONSTRUCCIONES, S.A.",
        "url": "https://assay-systems.com/register/es/cycasa-canteras-y-construcciones-s-a/"
      },
      {
        "name": "EGOIN,SA",
        "url": "https://assay-systems.com/register/es/egoin-sa/"
      },
      {
        "name": "ELECNOR SERVICIOS Y PROYECTOS, S.A.U.",
        "url": "https://assay-systems.com/register/es/elecnor-servicios-y-proyectos-s-a-u/"
      },
      {
        "name": "EULEN, S.A.",
        "url": "https://assay-systems.com/register/es/eulen-s-a/"
      },
      {
        "name": "Fatecsa Obras, S.A.",
        "url": "https://assay-systems.com/register/es/fatecsa-obras-s-a/"
      },
      {
        "name": "FTC OBRAS Y ENERGÍA, S.A.",
        "url": "https://assay-systems.com/register/es/ftc-obras-y-energia-s-a/"
      },
      {
        "name": "Geoxa, General de Construcciones, s.l.",
        "url": "https://assay-systems.com/register/es/geoxa-general-de-construcciones-s-l/"
      },
      {
        "name": "GESTIÓN INGENIERÍA Y CONSTRUCCIÓN DE LA COSTA DORADA S.A.",
        "url": "https://assay-systems.com/register/es/gestion-ingenieria-y-construccion-de-la-costa-dorada-s-a/"
      },
      {
        "name": "HERMANOS PARROT SA",
        "url": "https://assay-systems.com/register/es/hermanos-parrot-sa/"
      },
      {
        "name": "HPC IBÉRICA, S.A.",
        "url": "https://assay-systems.com/register/es/hpc-iberica-s-a/"
      },
      {
        "name": "IMESAPI, S.A.",
        "url": "https://assay-systems.com/register/es/imesapi-s-a/"
      },
      {
        "name": "IMESAPI SERVICIOS MOVILIDAD, S.A.",
        "url": "https://assay-systems.com/register/es/imesapi-servicios-movilidad-s-a/"
      },
      {
        "name": "LANTANIA S.A.U",
        "url": "https://assay-systems.com/register/es/lantania-s-a-u/"
      },
      {
        "name": "Llorente Electricidad, S.A. Tecnicas y Obras Cantabria, S.A.U.",
        "url": "https://assay-systems.com/register/es/llorente-electricidad-s-a-tecnicas-y-obras-cantabria-s-a-u/"
      },
      {
        "name": "LOTE 2, 32 VIVIENDAS PROTEGIDAS",
        "url": "https://assay-systems.com/register/es/lote-2-32-viviendas-protegidas/"
      },
      {
        "name": "OBRASCON HUARTE LAIN SA",
        "url": "https://assay-systems.com/register/es/obrascon-huarte-lain-sa/"
      },
      {
        "name": "PROFORMA EJECUCIÓN DE OBRAS Y RESTAURACIONES, SL",
        "url": "https://assay-systems.com/register/es/proforma-ejecucion-de-obras-y-restauraciones-sl/"
      },
      {
        "name": "RABADAN17, S.L.",
        "url": "https://assay-systems.com/register/es/rabadan17-s-l/"
      },
      {
        "name": "ROTEDAMA CONSTRUCTORA, S.L.",
        "url": "https://assay-systems.com/register/es/rotedama-constructora-s-l/"
      },
      {
        "name": "SATOCAN, S.A.",
        "url": "https://assay-systems.com/register/es/satocan-s-a/"
      },
      {
        "name": "Seranco SA",
        "url": "https://assay-systems.com/register/es/seranco-sa/"
      },
      {
        "name": "Sociedad Anónima de Obras y Servicios, COPASA",
        "url": "https://assay-systems.com/register/es/sociedad-anonima-de-obras-y-servicios-copasa/"
      },
      {
        "name": "SPRILUR31/2024 - FERROVIAL CONSTRUCCIÓN, S.A. y VICONSA, S.A.",
        "url": "https://assay-systems.com/register/es/sprilur31-2024-ferrovial-construccion-s-a-y-viconsa-s-a/"
      },
      {
        "name": "TECSA, EMPRESA CONSTRUCTORA, S.A.",
        "url": "https://assay-systems.com/register/es/tecsa-empresa-constructora-s-a/"
      },
      {
        "name": "UTE 75 VVDAS VIPUGAL",
        "url": "https://assay-systems.com/register/es/ute-75-vvdas-vipugal/"
      },
      {
        "name": "UTE ALTUNA Y URIA - MOYUA",
        "url": "https://assay-systems.com/register/es/ute-altuna-y-uria-moyua/"
      },
      {
        "name": "UTE ARPOSA60, S.L. - GEOXA, GENERAL DE CONSTRUCCIONES, S.L.",
        "url": "https://assay-systems.com/register/es/ute-arposa60-s-l-geoxa-general-de-construcciones-s-l/"
      },
      {
        "name": "UTE ASCH-ARCOS21",
        "url": "https://assay-systems.com/register/es/ute-asch-arcos21/"
      },
      {
        "name": "UTE BEZEL-SIECSA",
        "url": "https://assay-systems.com/register/es/ute-bezel-siecsa/"
      },
      {
        "name": "UTE CAÑAVERAL 1",
        "url": "https://assay-systems.com/register/es/ute-canaveral-1/"
      },
      {
        "name": "UTE COMSA, S.A.U. (65%) - CYCASA CANTERAS Y CONSTRUCCIONES, S.A.",
        "url": "https://assay-systems.com/register/es/ute-comsa-s-a-u-65-cycasa-canteras-y-construcciones-s-a/"
      },
      {
        "name": "UTE: GAIMAZ INFRAESTRUCTURAS Y SERVICIOS S.A/VIUDA DE SAINZ, S.L.",
        "url": "https://assay-systems.com/register/es/ute-gaimaz-infraestructuras-y-servicios-s-a-viuda-de-sainz-s-l/"
      },
      {
        "name": "UTE INSIDE-HERGONSA",
        "url": "https://assay-systems.com/register/es/ute-inside-hergonsa/"
      },
      {
        "name": "UTE INSIDE-HERGONSA IGVS",
        "url": "https://assay-systems.com/register/es/ute-inside-hergonsa-igvs/"
      },
      {
        "name": "UTE:MAINSA-INDUTEC",
        "url": "https://assay-systems.com/register/es/ute-mainsa-indutec/"
      },
      {
        "name": "UTE MAINSA-INDUTEC 093",
        "url": "https://assay-systems.com/register/es/ute-mainsa-indutec-093/"
      },
      {
        "name": "U.T.E. MAINSA-INDUTEC 099",
        "url": "https://assay-systems.com/register/es/u-t-e-mainsa-indutec-099/"
      },
      {
        "name": "UTE MARCO-ACSA-VIALEX",
        "url": "https://assay-systems.com/register/es/ute-marco-acsa-vialex/"
      },
      {
        "name": "UTE PLAIABARRI: BYCAM + INTXAUSTI + A.URIA",
        "url": "https://assay-systems.com/register/es/ute-plaiabarri-bycam-intxausti-a-uria/"
      },
      {
        "name": "U.T.E. POLÍGONO 2 NAVIA FERROVIAL CONSTRUCCIÓN SA Y OGMIOS PROYECTO S.A.",
        "url": "https://assay-systems.com/register/es/u-t-e-poligono-2-navia-ferrovial-construccion-sa-y-ogmios-proyecto-s-a/"
      },
      {
        "name": "UTE SOLUCIONA OBRAS Y SERVICIOS S.L.U. Y LIROA INGENIERIA Y OBRAS S.L.",
        "url": "https://assay-systems.com/register/es/ute-soluciona-obras-y-servicios-s-l-u-y-liroa-ingenieria-y-obras-s-l/"
      },
      {
        "name": "UTE VALDECORVOS",
        "url": "https://assay-systems.com/register/es/ute-valdecorvos/"
      },
      {
        "name": "UTE XAC-OREGA",
        "url": "https://assay-systems.com/register/es/ute-xac-orega/"
      },
      {
        "name": "UTE ZUBIEDER-MARIEZCURRENA",
        "url": "https://assay-systems.com/register/es/ute-zubieder-mariezcurrena/"
      },
      {
        "name": "VDR MUTILVA, S.L.",
        "url": "https://assay-systems.com/register/es/vdr-mutilva-s-l/"
      },
      {
        "name": "VIALSER EDIFICACIÓN Y OBRA CIVIL,SLU",
        "url": "https://assay-systems.com/register/es/vialser-edificacion-y-obra-civil-slu/"
      },
      {
        "name": "VIAS Y CONSTRUCCIONES, S.A.",
        "url": "https://assay-systems.com/register/es/vias-y-construcciones-s-a/"
      },
      {
        "name": "VIRTÓN, S.A.",
        "url": "https://assay-systems.com/register/es/virton-s-a/"
      },
      {
        "name": "XESTIÓN AMBIENTAL DE CONTRATAS SL",
        "url": "https://assay-systems.com/register/es/xestion-ambiental-de-contratas-sl/"
      },
      {
        "name": "XESTIÓN AMBIENTAL DE CONTRATAS S.L. -CONSTRUCCIONES Y SERVICIOS OREGA S.L.",
        "url": "https://assay-systems.com/register/es/xestion-ambiental-de-contratas-s-l-construcciones-y-servicios-orega-s-l/"
      }
    ],
    "assay_record": "ASY-ES-1AHZ3DO1V1",
    "cite_as": "Assay Systems, \"Houses construction work: Spain public contracts since 2024\", https://assay-systems.com/register/es/line/houses-construction-work/"
  }
}