{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T10:45:12Z",
  "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-1E8PYLZ0UY",
    "type": "page",
    "country": "us",
    "name": "Department of Transportation : suppliers in the USAspending register",
    "url": "https://assay-systems.com/register/us/buyer/department-of-transportation/",
    "summary": "Who supplies Department of Transportation: the suppliers the USAspending register records for it and the lines it buys.",
    "text": [
      "The suppliers the USAspending register records as having sold to Department of Transportation , and the lines it buys. A name with a link opens what the register holds for that supplier; a line opens every supplier in it.",
      "For each line this agency buys, the extract names every contract it placed, the supplier, the value where one is disclosed, and the notices behind every figure."
    ],
    "records": [
      {
        "name": "all agencies",
        "url": "https://assay-systems.com/register/us/buyer/"
      },
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/us/"
      },
      {
        "name": "IT management support services (labor)",
        "url": "https://assay-systems.com/register/us/line/it-management-support-services-labor/"
      },
      {
        "name": "administrative, courier and messenger",
        "url": "https://assay-systems.com/register/us/line/administrative-courier-and-messenger/"
      },
      {
        "name": "administrative, library",
        "url": "https://assay-systems.com/register/us/line/administrative-library/"
      },
      {
        "name": "administrative, translation and interpreting",
        "url": "https://assay-systems.com/register/us/line/administrative-translation-and-interpreting/"
      },
      {
        "name": "aircraft and airframe structural components",
        "url": "https://assay-systems.com/register/us/line/aircraft-and-airframe-structural-components/"
      },
      {
        "name": "aircraft hydraulic",
        "url": "https://assay-systems.com/register/us/line/aircraft-hydraulic/"
      },
      {
        "name": "aircraft wheel and brake systems",
        "url": "https://assay-systems.com/register/us/line/aircraft-wheel-and-brake-systems/"
      },
      {
        "name": "aircraft, fixed wing",
        "url": "https://assay-systems.com/register/us/line/aircraft-fixed-wing/"
      },
      {
        "name": "aircraft, rotary wing",
        "url": "https://assay-systems.com/register/us/line/aircraft-rotary-wing/"
      },
      {
        "name": "application development software (perpetual license software)",
        "url": "https://assay-systems.com/register/us/line/application-development-software-perpetual-license-software/"
      },
      {
        "name": "boxes, cartons, and crates",
        "url": "https://assay-systems.com/register/us/line/boxes-cartons-and-crates/"
      },
      {
        "name": "buoys",
        "url": "https://assay-systems.com/register/us/line/buoys/"
      },
      {
        "name": "business application and application development software as a service",
        "url": "https://assay-systems.com/register/us/line/business-application-and-application-development-software-as-a-service/"
      },
      {
        "name": "business application and application development support services (labor)",
        "url": "https://assay-systems.com/register/us/line/business-application-and-application-development-support-services-labor/"
      },
      {
        "name": "business application software (perpetual license software)",
        "url": "https://assay-systems.com/register/us/line/business-application-software-perpetual-license-software/"
      },
      {
        "name": "cabinets, lockers, bins, and shelving",
        "url": "https://assay-systems.com/register/us/line/cabinets-lockers-bins-and-shelving/"
      },
      {
        "name": "cable, cord, and wire assemblies",
        "url": "https://assay-systems.com/register/us/line/cable-cord-and-wire-assemblies/"
      },
      {
        "name": "chemical analysis instruments",
        "url": "https://assay-systems.com/register/us/line/chemical-analysis-instruments/"
      },
      {
        "name": "clothing, special purpose",
        "url": "https://assay-systems.com/register/us/line/clothing-special-purpose/"
      },
      {
        "name": "communication",
        "url": "https://assay-systems.com/register/us/line/communication/"
      },
      {
        "name": "compute",
        "url": "https://assay-systems.com/register/us/line/compute/"
      },
      {
        "name": "compute as a service, mainframe and servers",
        "url": "https://assay-systems.com/register/us/line/compute-as-a-service-mainframe-and-servers/"
      },
      {
        "name": "connectors, electrical",
        "url": "https://assay-systems.com/register/us/line/connectors-electrical/"
      },
      {
        "name": "construction",
        "url": "https://assay-systems.com/register/us/line/construction/"
      },
      {
        "name": "construction of electronic and communications facilities",
        "url": "https://assay-systems.com/register/us/line/construction-of-electronic-and-communications-facilities/"
      },
      {
        "name": "construction of highways",
        "url": "https://assay-systems.com/register/us/line/construction-of-highways/"
      },
      {
        "name": "construction of miscellaneous buildings",
        "url": "https://assay-systems.com/register/us/line/construction-of-miscellaneous-buildings/"
      },
      {
        "name": "construction of office buildings",
        "url": "https://assay-systems.com/register/us/line/construction-of-office-buildings/"
      },
      {
        "name": "construction of other administrative facilities and service buildings",
        "url": "https://assay-systems.com/register/us/line/construction-of-other-administrative-facilities-and-service-buildings/"
      },
      {
        "name": "construction of other airfield structures",
        "url": "https://assay-systems.com/register/us/line/construction-of-other-airfield-structures/"
      },
      {
        "name": "construction of other non-building facilities",
        "url": "https://assay-systems.com/register/us/line/construction-of-other-non-building-facilities/"
      },
      {
        "name": "construction of other residential buildings",
        "url": "https://assay-systems.com/register/us/line/construction-of-other-residential-buildings/"
      },
      {
        "name": "construction of other utilities",
        "url": "https://assay-systems.com/register/us/line/construction-of-other-utilities/"
      },
      {
        "name": "construction of restoration of real property (public or private)",
        "url": "https://assay-systems.com/register/us/line/construction-of-restoration-of-real-property-public-or-private/"
      },
      {
        "name": "construction of water supply facilities",
        "url": "https://assay-systems.com/register/us/line/construction-of-water-supply-facilities/"
      },
      {
        "name": "construction, office buildings",
        "url": "https://assay-systems.com/register/us/line/construction-office-buildings/"
      },
      {
        "name": "custodial janitorial",
        "url": "https://assay-systems.com/register/us/line/custodial-janitorial/"
      },
      {
        "name": "data center products (hardware and perpetual license software)",
        "url": "https://assay-systems.com/register/us/line/data-center-products-hardware-and-perpetual-license-software/"
      },
      {
        "name": "data center support services (labor)",
        "url": "https://assay-systems.com/register/us/line/data-center-support-services-labor/"
      },
      {
        "name": "earth moving and excavating equipment",
        "url": "https://assay-systems.com/register/us/line/earth-moving-and-excavating-equipment/"
      },
      {
        "name": "education",
        "url": "https://assay-systems.com/register/us/line/education/"
      },
      {
        "name": "electrical and electronic equipment components",
        "url": "https://assay-systems.com/register/us/line/electrical-and-electronic-equipment-components/"
      },
      {
        "name": "electronic countermeasures",
        "url": "https://assay-systems.com/register/us/line/electronic-countermeasures/"
      },
      {
        "name": "end user",
        "url": "https://assay-systems.com/register/us/line/end-user/"
      },
      {
        "name": "environmental assessments",
        "url": "https://assay-systems.com/register/us/line/environmental-assessments/"
      },
      {
        "name": "environmental remediation",
        "url": "https://assay-systems.com/register/us/line/environmental-remediation/"
      },
      {
        "name": "facilities operations support",
        "url": "https://assay-systems.com/register/us/line/facilities-operations-support/"
      },
      {
        "name": "fiber optic cable assemblies and harnesses",
        "url": "https://assay-systems.com/register/us/line/fiber-optic-cable-assemblies-and-harnesses/"
      },
      {
        "name": "fiber optic cables",
        "url": "https://assay-systems.com/register/us/line/fiber-optic-cables/"
      },
      {
        "name": "food",
        "url": "https://assay-systems.com/register/us/line/food/"
      },
      {
        "name": "footwear, men's",
        "url": "https://assay-systems.com/register/us/line/footwear-men-s/"
      },
      {
        "name": "fuel oils",
        "url": "https://assay-systems.com/register/us/line/fuel-oils/"
      },
      {
        "name": "gasoline reciprocating engines",
        "url": "https://assay-systems.com/register/us/line/gasoline-reciprocating-engines/"
      },
      {
        "name": "generators and generator sets, electrical",
        "url": "https://assay-systems.com/register/us/line/generators-and-generator-sets-electrical/"
      },
      {
        "name": "geophysical",
        "url": "https://assay-systems.com/register/us/line/geophysical/"
      },
      {
        "name": "glass fabricated materials",
        "url": "https://assay-systems.com/register/us/line/glass-fabricated-materials/"
      },
      {
        "name": "guard",
        "url": "https://assay-systems.com/register/us/line/guard/"
      },
      {
        "name": "hardware, commercial",
        "url": "https://assay-systems.com/register/us/line/hardware-commercial/"
      },
      {
        "name": "high performance computing (hpc) support services (labor)",
        "url": "https://assay-systems.com/register/us/line/high-performance-computing-hpc-support-services-labor/"
      },
      {
        "name": "hose and flexible tubing",
        "url": "https://assay-systems.com/register/us/line/hose-and-flexible-tubing/"
      },
      {
        "name": "indoor and outdoor electric lighting fixtures",
        "url": "https://assay-systems.com/register/us/line/indoor-and-outdoor-electric-lighting-fixtures/"
      },
      {
        "name": "kitchen equipment and appliances",
        "url": "https://assay-systems.com/register/us/line/kitchen-equipment-and-appliances/"
      },
      {
        "name": "landscaping and groundskeeping",
        "url": "https://assay-systems.com/register/us/line/landscaping-and-groundskeeping/"
      },
      {
        "name": "lectures",
        "url": "https://assay-systems.com/register/us/line/lectures/"
      },
      {
        "name": "liquid propellants and fuels, petroleum base",
        "url": "https://assay-systems.com/register/us/line/liquid-propellants-and-fuels-petroleum-base/"
      },
      {
        "name": "maintenance of highways and roads and streets and bridges and railways",
        "url": "https://assay-systems.com/register/us/line/maintenance-of-highways-and-roads-and-streets-and-bridges-and-railways/"
      },
      {
        "name": "maintenance of miscellaneous buildings",
        "url": "https://assay-systems.com/register/us/line/maintenance-of-miscellaneous-buildings/"
      },
      {
        "name": "maintenance of office buildings",
        "url": "https://assay-systems.com/register/us/line/maintenance-of-office-buildings/"
      },
      {
        "name": "managed healthcare",
        "url": "https://assay-systems.com/register/us/line/managed-healthcare/"
      },
      {
        "name": "management",
        "url": "https://assay-systems.com/register/us/line/management/"
      },
      {
        "name": "management, accounting",
        "url": "https://assay-systems.com/register/us/line/management-accounting/"
      },
      {
        "name": "management, advertising",
        "url": "https://assay-systems.com/register/us/line/management-advertising/"
      },
      {
        "name": "management, data collection",
        "url": "https://assay-systems.com/register/us/line/management-data-collection/"
      },
      {
        "name": "management, financial",
        "url": "https://assay-systems.com/register/us/line/management-financial/"
      },
      {
        "name": "management, logistics support",
        "url": "https://assay-systems.com/register/us/line/management-logistics-support/"
      },
      {
        "name": "management, public relations",
        "url": "https://assay-systems.com/register/us/line/management-public-relations/"
      },
      {
        "name": "medical and surgical instruments",
        "url": "https://assay-systems.com/register/us/line/medical-and-surgical-instruments/"
      },
      {
        "name": "motors, electrical",
        "url": "https://assay-systems.com/register/us/line/motors-electrical/"
      },
      {
        "name": "national defense r&d services",
        "url": "https://assay-systems.com/register/us/line/national-defense-r-d-services/"
      },
      {
        "name": "navigational instruments",
        "url": "https://assay-systems.com/register/us/line/navigational-instruments/"
      },
      {
        "name": "network",
        "url": "https://assay-systems.com/register/us/line/network/"
      },
      {
        "name": "network support services (labor)",
        "url": "https://assay-systems.com/register/us/line/network-support-services-labor/"
      },
      {
        "name": "non-nuclear ship repair (east)",
        "url": "https://assay-systems.com/register/us/line/non-nuclear-ship-repair-east/"
      },
      {
        "name": "office furniture",
        "url": "https://assay-systems.com/register/us/line/office-furniture/"
      },
      {
        "name": "operation of other warehouse buildings",
        "url": "https://assay-systems.com/register/us/line/operation-of-other-warehouse-buildings/"
      },
      {
        "name": "platform products",
        "url": "https://assay-systems.com/register/us/line/platform-products/"
      },
      {
        "name": "platform support services",
        "url": "https://assay-systems.com/register/us/line/platform-support-services/"
      },
      {
        "name": "prefabricated and portable buildings",
        "url": "https://assay-systems.com/register/us/line/prefabricated-and-portable-buildings/"
      },
      {
        "name": "professional",
        "url": "https://assay-systems.com/register/us/line/professional/"
      },
      {
        "name": "professional, communications",
        "url": "https://assay-systems.com/register/us/line/professional-communications/"
      },
      {
        "name": "professional, engineering and technical",
        "url": "https://assay-systems.com/register/us/line/professional-engineering-and-technical/"
      },
      {
        "name": "professional, human resources",
        "url": "https://assay-systems.com/register/us/line/professional-human-resources/"
      },
      {
        "name": "professional, legal",
        "url": "https://assay-systems.com/register/us/line/professional-legal/"
      },
      {
        "name": "professional, policy review and development",
        "url": "https://assay-systems.com/register/us/line/professional-policy-review-and-development/"
      },
      {
        "name": "professional, program management and support",
        "url": "https://assay-systems.com/register/us/line/professional-program-management-and-support/"
      },
      {
        "name": "radar equipment, except airborne",
        "url": "https://assay-systems.com/register/us/line/radar-equipment-except-airborne/"
      },
      {
        "name": "radio and television communication equipment",
        "url": "https://assay-systems.com/register/us/line/radio-and-television-communication-equipment/"
      },
      {
        "name": "refrigeration",
        "url": "https://assay-systems.com/register/us/line/refrigeration/"
      },
      {
        "name": "relocation, travel agent",
        "url": "https://assay-systems.com/register/us/line/relocation-travel-agent/"
      },
      {
        "name": "repair or alteration of airport runways and taxiways",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-airport-runways-and-taxiways/"
      },
      {
        "name": "repair or alteration of dams",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-dams/"
      },
      {
        "name": "repair or alteration of highways and roads and streets and bridges and railways",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-highways-and-roads-and-streets-and-bridges-and-railways/"
      },
      {
        "name": "repair or alteration of miscellaneous buildings",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-miscellaneous-buildings/"
      },
      {
        "name": "repair or alteration of office buildings",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-office-buildings/"
      },
      {
        "name": "repair or alteration of other administrative facilities and service buildings",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-other-administrative-facilities-and-service-buildings/"
      },
      {
        "name": "repair or alteration of other non-building facilities",
        "url": "https://assay-systems.com/register/us/line/repair-or-alteration-of-other-non-building-facilities/"
      },
      {
        "name": "security and compliance as a service",
        "url": "https://assay-systems.com/register/us/line/security-and-compliance-as-a-service/"
      },
      {
        "name": "security and compliance products (hardware and perpetual license software)",
        "url": "https://assay-systems.com/register/us/line/security-and-compliance-products-hardware-and-perpetual-license-software/"
      },
      {
        "name": "security and compliance support services (labor)",
        "url": "https://assay-systems.com/register/us/line/security-and-compliance-support-services-labor/"
      },
      {
        "name": "service delivery support services",
        "url": "https://assay-systems.com/register/us/line/service-delivery-support-services/"
      },
      {
        "name": "ship and marine equipment",
        "url": "https://assay-systems.com/register/us/line/ship-and-marine-equipment/"
      },
      {
        "name": "ships",
        "url": "https://assay-systems.com/register/us/line/ships/"
      },
      {
        "name": "storage products (hardware and perpetual license software)",
        "url": "https://assay-systems.com/register/us/line/storage-products-hardware-and-perpetual-license-software/"
      },
      {
        "name": "tents and tarpaulins",
        "url": "https://assay-systems.com/register/us/line/tents-and-tarpaulins/"
      },
      {
        "name": "training aids",
        "url": "https://assay-systems.com/register/us/line/training-aids/"
      },
      {
        "name": "training and curriculum development",
        "url": "https://assay-systems.com/register/us/line/training-and-curriculum-development/"
      },
      {
        "name": "transformers, distribution and power station",
        "url": "https://assay-systems.com/register/us/line/transformers-distribution-and-power-station/"
      },
      {
        "name": "travel and lodging and recruitment",
        "url": "https://assay-systems.com/register/us/line/travel-and-lodging-and-recruitment/"
      },
      {
        "name": "unmanned aircraft",
        "url": "https://assay-systems.com/register/us/line/unmanned-aircraft/"
      },
      {
        "name": "waste disposal equipment",
        "url": "https://assay-systems.com/register/us/line/waste-disposal-equipment/"
      },
      {
        "name": "ACG Systems",
        "url": "https://assay-systems.com/register/us/acg-systems/"
      },
      {
        "name": "ASRC Federal Technology Solutions",
        "url": "https://assay-systems.com/register/us/asrc-federal-technology-solutions/"
      },
      {
        "name": "Atac",
        "url": "https://assay-systems.com/register/us/atac/"
      },
      {
        "name": "Avantus Federal",
        "url": "https://assay-systems.com/register/us/avantus-federal/"
      },
      {
        "name": "Aventus NV",
        "url": "https://assay-systems.com/register/us/aventus-nv/"
      },
      {
        "name": "Bethel Engineering & Consulting",
        "url": "https://assay-systems.com/register/us/bethel-engineering-consulting/"
      },
      {
        "name": "Bravium Consulting",
        "url": "https://assay-systems.com/register/us/bravium-consulting/"
      },
      {
        "name": "Burhani Enterprises",
        "url": "https://assay-systems.com/register/us/burhani-enterprises/"
      },
      {
        "name": "Changeis",
        "url": "https://assay-systems.com/register/us/changeis/"
      },
      {
        "name": "Colossal Contracting",
        "url": "https://assay-systems.com/register/us/colossal-contracting/"
      },
      {
        "name": "Construction Solutions Group",
        "url": "https://assay-systems.com/register/us/construction-solutions-group/"
      },
      {
        "name": "Crosstek Solutions",
        "url": "https://assay-systems.com/register/us/crosstek-solutions/"
      },
      {
        "name": "CTG Federal",
        "url": "https://assay-systems.com/register/us/ctg-federal/"
      },
      {
        "name": "CyKor",
        "url": "https://assay-systems.com/register/us/cykor/"
      },
      {
        "name": "Disys Solutions",
        "url": "https://assay-systems.com/register/us/disys-solutions/"
      },
      {
        "name": "Estes Bros. Const",
        "url": "https://assay-systems.com/register/us/estes-bros-const/"
      },
      {
        "name": "Fort Myer Construction",
        "url": "https://assay-systems.com/register/us/fort-myer-construction/"
      },
      {
        "name": "Four Points Technology",
        "url": "https://assay-systems.com/register/us/four-points-technology/"
      },
      {
        "name": "Goldschmitt and Associates",
        "url": "https://assay-systems.com/register/us/goldschmitt-and-associates/"
      },
      {
        "name": "Halvik",
        "url": "https://assay-systems.com/register/us/halvik/"
      },
      {
        "name": "Hamilton Construction",
        "url": "https://assay-systems.com/register/us/hamilton-construction/"
      },
      {
        "name": "Harmonia Holdings Group",
        "url": "https://assay-systems.com/register/us/harmonia-holdings-group/"
      },
      {
        "name": "Hill International",
        "url": "https://assay-systems.com/register/us/hill-international/"
      },
      {
        "name": "Icatalyst",
        "url": "https://assay-systems.com/register/us/icatalyst/"
      },
      {
        "name": "Integration Technologies Group",
        "url": "https://assay-systems.com/register/us/integration-technologies-group/"
      },
      {
        "name": "Iron Bow Technologies",
        "url": "https://assay-systems.com/register/us/iron-bow-technologies/"
      },
      {
        "name": "LPC Contractors",
        "url": "https://assay-systems.com/register/us/lpc-contractors/"
      },
      {
        "name": "OCH Technologies",
        "url": "https://assay-systems.com/register/us/och-technologies/"
      },
      {
        "name": "Oftedal Construction",
        "url": "https://assay-systems.com/register/us/oftedal-construction/"
      },
      {
        "name": "Platinum Business Services",
        "url": "https://assay-systems.com/register/us/platinum-business-services/"
      },
      {
        "name": "Portco",
        "url": "https://assay-systems.com/register/us/portco/"
      },
      {
        "name": "Quigg Bros",
        "url": "https://assay-systems.com/register/us/quigg-bros/"
      },
      {
        "name": "R.E.D. Construction Services",
        "url": "https://assay-systems.com/register/us/r-e-d-construction-services/"
      },
      {
        "name": "Red River Technology",
        "url": "https://assay-systems.com/register/us/red-river-technology/"
      },
      {
        "name": "Riverside Contracting",
        "url": "https://assay-systems.com/register/us/riverside-contracting/"
      },
      {
        "name": "Schatz Publishing Group",
        "url": "https://assay-systems.com/register/us/schatz-publishing-group/"
      },
      {
        "name": "Sentinel Aerospace",
        "url": "https://assay-systems.com/register/us/sentinel-aerospace/"
      },
      {
        "name": "Solvix Solutions",
        "url": "https://assay-systems.com/register/us/solvix-solutions/"
      },
      {
        "name": "Sona Networks",
        "url": "https://assay-systems.com/register/us/sona-networks/"
      },
      {
        "name": "Sourceamerica",
        "url": "https://assay-systems.com/register/us/sourceamerica/"
      },
      {
        "name": "Trust Consulting Services",
        "url": "https://assay-systems.com/register/us/trust-consulting-services/"
      },
      {
        "name": "Vertosoft",
        "url": "https://assay-systems.com/register/us/vertosoft/"
      }
    ],
    "assay_record": "ASY-US-1E8PYLZ0UY",
    "cite_as": "Assay Systems, \"Department of Transportation : suppliers in the USAspending register\", https://assay-systems.com/register/us/buyer/department-of-transportation/"
  }
}