{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T04:50:56Z",
  "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-0C104L909I",
    "type": "line",
    "country": "us",
    "name": "Construction of other conservation and development facilities (Y1KZ): United States public contracts since 2024",
    "url": "https://assay-systems.com/register/us/line/construction-of-other-conservation-and-development-facilities/",
    "summary": "34 contracts, $683,933,916, 26 suppliers in the line construction of other conservation and development facilities, from the USAspending register.",
    "text": [
      "Since January 2024 the line carries 34 contracts worth $683,933,916 from 3 agencies. 26 suppliers share it.",
      "$157,822,134 in 2024. $421,603,999 in 2025. $104,507,783 in 2026.",
      "Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.",
      "Share of the line held by each of its largest suppliers, by value, in the USAspending register."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/us/"
      },
      {
        "name": "KIEWIT INFRASTRUCTURE WEST CO.",
        "url": "https://assay-systems.com/register/us/kiewit-infrastructure-west-co-caf8/"
      },
      {
        "name": "NORFOLK DREDGING COMPANY",
        "url": "https://assay-systems.com/register/us/norfolk-dredging-company/"
      },
      {
        "name": "DONJON MARINE CO., LLC",
        "url": "https://assay-systems.com/register/us/donjon-marine-co-llc/"
      },
      {
        "name": "HAMILTON CONSTRUCTION, LLC",
        "url": "https://assay-systems.com/register/us/hamilton-construction/"
      },
      {
        "name": "GREAT LAKES DREDGE & DOCK CO, LLC",
        "url": "https://assay-systems.com/register/us/great-lakes-dredge-dock-co-llc/"
      },
      {
        "name": "H & L CONTRACTING LLC",
        "url": "https://assay-systems.com/register/us/h-l-contracting-llc/"
      },
      {
        "name": "GEORGE HARMS CONSTRUCTION CO INC",
        "url": "https://assay-systems.com/register/us/george-harms-construction-co-inc/"
      },
      {
        "name": "ETOLIN STRAIT DEVELOPMENT GROUP LLC",
        "url": "https://assay-systems.com/register/us/etolin-strait-development-group-llc/"
      },
      {
        "name": "CASHMAN DREDGING & MARINE CONTRACTING CO LLC",
        "url": "https://assay-systems.com/register/us/cashman-dredging-marine-contracting-co-llc/"
      },
      {
        "name": "APTIM FEDERAL SERVICES, LLC",
        "url": "https://assay-systems.com/register/us/aptim-federal-services/"
      },
      {
        "name": "SUULUTAAQ, INC.",
        "url": "https://assay-systems.com/register/us/suulutaaq-inc/"
      },
      {
        "name": "CARVER CONSTRUCTION, INC.",
        "url": "https://assay-systems.com/register/us/carver-construction-inc/"
      },
      {
        "name": "MYERS CONSTRUCTION, INC.",
        "url": "https://assay-systems.com/register/us/myers-construction-inc/"
      },
      {
        "name": "SEACOAST CONSTRUCTION INC",
        "url": "https://assay-systems.com/register/us/seacoast-construction-inc/"
      },
      {
        "name": "BLACK HORSE BRIDGE CONSTRUCTION INC",
        "url": "https://assay-systems.com/register/us/black-horse-bridge-construction-inc/"
      },
      {
        "name": "AHTNA GLOBAL LLC",
        "url": "https://assay-systems.com/register/us/ahtna-global-llc/"
      },
      {
        "name": "CHITINA DIVERSIFIED SERVICES - AMES 1 JV, LLC",
        "url": "https://assay-systems.com/register/us/chitina-diversified-services-ames-1-jv-llc/"
      },
      {
        "name": "HYDRA ENGINEERING & CONSTRUCTION, LLC",
        "url": "https://assay-systems.com/register/us/hydra-engineering-construction-llc/"
      },
      {
        "name": "A-N-O OILFIELD SERVICE LLC",
        "url": "https://assay-systems.com/register/us/a-n-o-oilfield-service-llc/"
      },
      {
        "name": "THE NDN SUNDANCE JV LLC",
        "url": "https://assay-systems.com/register/us/the-ndn-sundance-jv-llc/"
      },
      {
        "name": "SANDEX INC",
        "url": "https://assay-systems.com/register/us/sandex-inc/"
      },
      {
        "name": "ARETE CONTRACTING LLC",
        "url": "https://assay-systems.com/register/us/arete-contracting-llc/"
      },
      {
        "name": "DEKAN CORPORATION",
        "url": "https://assay-systems.com/register/us/dekan-corporation/"
      },
      {
        "name": "A VAILLANCOURT LLC",
        "url": "https://assay-systems.com/register/us/a-vaillancourt-llc/"
      },
      {
        "name": "All suppliers in United States, A to Z",
        "url": "https://assay-systems.com/register/us/a-z/"
      }
    ],
    "assay_record": "ASY-US-0C104L909I",
    "cite_as": "Assay Systems, \"Construction of other conservation and development facilities (Y1KZ): United States public contracts since 2024\", https://assay-systems.com/register/us/line/construction-of-other-conservation-and-development-facilities/"
  }
}