{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:48:01Z",
  "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-1W2K3B215O",
    "type": "page",
    "country": "us",
    "name": "RHITHRON ASSOCIATES INC: public contracts won without a rival in United States",
    "url": "https://assay-systems.com/register/us/uncontested/s/rhithron-associates-inc/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 9,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 82,
        "unit": "percent",
        "display": "82%"
      },
      {
        "label": "without a competition",
        "value": 6,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 3,
        "unit": "count"
      }
    ],
    "text": [
      "RHITHRON ASSOCIATES INC won 9 of its 11 public contract awards in United States without a rival from 2024-05-13 to 2026-08-28, worth $68.6K: 6 without a competition and 3 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest National Park Service with 7."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-28",
          "Buyer": "National Park Service 140P8426P0066",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "No competition NOT COMPETED",
          "Value": "$18.1K",
          "Stated reason": "ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER)"
        },
        {
          "Date": "2025-09-03",
          "Buyer": "National Park Service 140P8425P0082",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "No competition NOT COMPETED",
          "Value": "$24.8K",
          "Stated reason": "ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER)"
        },
        {
          "Date": "2025-08-22",
          "Buyer": "U.S. Geological Survey 140G0122F0061",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/u-s-geological-survey/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "$-1,746",
          "Stated reason": "—"
        },
        {
          "Date": "2025-05-22",
          "Buyer": "National Park Service 140P8422P0080",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "Single bid COMPETED UNDER SAP",
          "Value": "$-640",
          "Stated reason": "—"
        },
        {
          "Date": "2024-09-25",
          "Buyer": "National Park Service 140P8424P0010",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "No competition NOT COMPETED",
          "Value": "$18.0K",
          "Stated reason": "ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER)"
        },
        {
          "Date": "2024-09-17",
          "Buyer": "National Park Service 140P3023F0138",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-park-service/",
          "How": "Single bid FULL AND OPEN COMPETITION",
          "Value": "$-1,350",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of United States",
        "url": "https://assay-systems.com/register/us/uncontested/"
      },
      {
        "name": "National Park Service",
        "url": "https://assay-systems.com/register/us/uncontested/b/national-park-service/"
      },
      {
        "name": "National Oceanic and Atmospheric Administration",
        "url": "https://assay-systems.com/register/us/uncontested/b/national-oceanic-and-atmospheric-administration/"
      },
      {
        "name": "U.S. Geological Survey",
        "url": "https://assay-systems.com/register/us/uncontested/b/u-s-geological-survey/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-US-1W2K3B215O",
    "cite_as": "Assay Systems, \"RHITHRON ASSOCIATES INC: public contracts won without a rival in United States\", https://assay-systems.com/register/us/uncontested/s/rhithron-associates-inc/"
  }
}