{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:05:33Z",
  "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-0ACA9OC0W4",
    "type": "page",
    "country": "us",
    "name": "PARTICLE INSTRUMENTS LLC: public contracts won without a rival in United States",
    "url": "https://assay-systems.com/register/us/uncontested/s/particle-instruments-llc/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 6,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 86,
        "unit": "percent",
        "display": "86%"
      },
      {
        "label": "without a competition",
        "value": 5,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 1,
        "unit": "count"
      }
    ],
    "text": [
      "PARTICLE INSTRUMENTS LLC won 6 of its 7 public contract awards in United States without a rival from 2023-10-19 to 2026-08-25, worth $280K: 5 without a competition and 1 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Centers for Disease Control and Prevention with 3."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-25",
          "Buyer": "Centers for Disease Control and Prevention 75D30126P21446",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$137K",
          "Stated reason": "AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I))"
        },
        {
          "Date": "2026-08-24",
          "Buyer": "Centers for Disease Control and Prevention 75D30126P21465",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$14.8K",
          "Stated reason": "LESS THAN OR EQUAL TO THE MICRO-PURCHASE THRESHOLD"
        },
        {
          "Date": "2025-05-07",
          "Buyer": "Environmental Protection Agency 68HE0M25P0060",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/environmental-protection-agency/",
          "How": "Single bid COMPETED UNDER SAP",
          "Value": "$109K",
          "Stated reason": "—"
        },
        {
          "Date": "2025-05-01",
          "Buyer": "National Aeronautics and Space Administration 80NSSC25PB003",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/national-aeronautics-and-space-administration/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$10.7K",
          "Stated reason": "SAP NON-COMPETITION (FAR 13)"
        },
        {
          "Date": "2024-07-19",
          "Buyer": "Centers for Disease Control and Prevention 75D30124P19433",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/",
          "How": "No competition NOT COMPETED UNDER SAP",
          "Value": "$9.2K",
          "Stated reason": "LESS THAN OR EQUAL TO THE MICRO-PURCHASE THRESHOLD"
        },
        {
          "Date": "2023-10-19",
          "Buyer": "Department of the Navy N0017323P0135",
          "Buyer link": "https://assay-systems.com/register/us/uncontested/b/department-of-the-navy/",
          "How": "No competition NOT COMPETED",
          "Value": "—",
          "Stated reason": "ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER)"
        }
      ]
    ],
    "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/particle-instruments-llc/"
      },
      {
        "name": "Centers for Disease Control and Prevention",
        "url": "https://assay-systems.com/register/us/uncontested/b/centers-for-disease-control-and-prevention/"
      },
      {
        "name": "Environmental Protection Agency",
        "url": "https://assay-systems.com/register/us/uncontested/b/environmental-protection-agency/"
      },
      {
        "name": "National Aeronautics and Space Administration",
        "url": "https://assay-systems.com/register/us/uncontested/b/national-aeronautics-and-space-administration/"
      },
      {
        "name": "Department of the Navy",
        "url": "https://assay-systems.com/register/us/uncontested/b/department-of-the-navy/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-US-0ACA9OC0W4",
    "cite_as": "Assay Systems, \"PARTICLE INSTRUMENTS LLC: public contracts won without a rival in United States\", https://assay-systems.com/register/us/uncontested/s/particle-instruments-llc/"
  }
}