{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:32:28Z",
  "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-US-106QR5O0CZ",
    "type": "page",
    "country": "us",
    "name": "4ES CORPORATION: public contracts won without a rival in United States",
    "url": "https://assay-systems.com/register/us/uncontested/s/4es-corporation/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 36,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "without a competition",
        "value": 36,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "4ES CORPORATION won 36 of its 36 public contract awards in United States without a rival from 2023-11-08 to 2026-08-04, worth $14.4M: 36 without a competition and 0 after a competition that drew a single bid. 5 buyers awarded it without a rival, the largest Centers for Disease Control and Prevention with 16."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-04",
          "Buyer": "Federal Prison System / Bureau of Prisons 15B61826F00000032",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/federal-prison-system-bureau-of-prisons/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "—",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2026-06-04",
          "Buyer": "Department of the Air Force FA301626F0162",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-the-air-force/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$1.3M",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2026-05-27",
          "Buyer": "Centers for Disease Control and Prevention 75D30120C08450",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/",
          "How": "No competition NOT AVAILABLE FOR COMPETITION",
          "Value": "$-133,129",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2026-02-04",
          "Buyer": "Centers for Disease Control and Prevention 75D30126C20795",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/",
          "How": "No competition NOT AVAILABLE FOR COMPETITION",
          "Value": "$224K",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2025-12-09",
          "Buyer": "Federal Prison System / Bureau of Prisons 15B61826F00000006",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/federal-prison-system-bureau-of-prisons/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$275K",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2025-10-15",
          "Buyer": "Department of the Air Force FA460026P0002",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-the-air-force/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$324K",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        }
      ]
    ],
    "records": [
      {
        "name": "all of United States",
        "url": "https://assay-systems.com/register/us/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/us/4es-corporation/"
      },
      {
        "name": "Centers for Disease Control and Prevention",
        "url": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/"
      },
      {
        "name": "Department of the Air Force",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-the-air-force/"
      },
      {
        "name": "Federal Prison System / Bureau of Prisons",
        "url": "https://assay-systems.com/register/us/uncontested/b/federal-prison-system-bureau-of-prisons/"
      },
      {
        "name": "Department of the Navy",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-the-navy/"
      },
      {
        "name": "Department of the Army",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-the-army/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-US-106QR5O0CZ",
    "cite_as": "Assay Systems, \"4ES CORPORATION: public contracts won without a rival in United States\", https://assay-systems.com/register/us/uncontested/s/4es-corporation/"
  }
}