{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:43:33Z",
  "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-1MVLMWW074",
    "type": "page",
    "country": "us",
    "name": "OLIN CORP: public contracts won without a rival in United States",
    "url": "https://assay-systems.com/register/us/uncontested/s/olin-corp/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 9,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 60,
        "unit": "percent",
        "display": "60%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 9,
        "unit": "count"
      }
    ],
    "text": [
      "OLIN CORP won 9 of its 15 public contract awards in United States without a rival from 2023-11-01 to 2026-08-26, worth $-3,464: 0 without a competition and 9 after a competition that drew a single bid. 6 buyers awarded it without a rival, the largest Department of Energy with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-26",
          "Buyer": "U.S. Marshals Service 15M70019FA3100026",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/u-s-marshals-service/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "—",
          "Stated reason": "—"
        },
        {
          "Date": "2026-05-19",
          "Buyer": "National Park Service 140P5321F0032",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "$-1,351",
          "Stated reason": "—"
        },
        {
          "Date": "2025-03-31",
          "Buyer": "Immediate Office of the Secretary of Transportation DTOS5917F10093",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/immediate-office-of-the-secretary-of-transportation/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "—",
          "Stated reason": "—"
        },
        {
          "Date": "2024-04-30",
          "Buyer": "Department of Energy 89233119FNA400155",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-energy/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "—",
          "Stated reason": "—"
        },
        {
          "Date": "2024-04-30",
          "Buyer": "Department of Energy 89233119FNA400154",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-energy/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "—",
          "Stated reason": "—"
        },
        {
          "Date": "2024-04-18",
          "Buyer": "Department of Education 91990419F0001",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-education/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "$-200",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of United States",
        "url": "https://assay-systems.com/register/us/uncontested/"
      },
      {
        "name": "Department of Energy",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-energy/"
      },
      {
        "name": "Drug Enforcement Administration",
        "url": "https://assay-systems.com/register/us/uncontested/b/drug-enforcement-administration/"
      },
      {
        "name": "National Park Service",
        "url": "https://assay-systems.com/register/us/uncontested/b/national-park-service/"
      },
      {
        "name": "Immediate Office of the Secretary of Transportation",
        "url": "https://assay-systems.com/register/us/uncontested/b/immediate-office-of-the-secretary-of-transportation/"
      },
      {
        "name": "U.S. Marshals Service",
        "url": "https://assay-systems.com/register/us/uncontested/b/u-s-marshals-service/"
      },
      {
        "name": "Department of Education",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-education/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-US-1MVLMWW074",
    "cite_as": "Assay Systems, \"OLIN CORP: public contracts won without a rival in United States\", https://assay-systems.com/register/us/uncontested/s/olin-corp/"
  }
}