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Agencies › Department of the Interior › NAICS 561990

Department of the Interior (DOI): NAICS 561990 — All Other Support Services

1open solicitations
$10.1Mobligated in FY2026
24contracts ending within 18 months

Open solicitations

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How DOI NAICS 561990 spends

FY2021$996K
FY2022$3.1M
FY2023$2.9M
FY2024$2.3M
FY2025$2.9M
FY2026$10.1M
FY2027*$35K
Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

DOI NAICS 561990 contracts expiring in the next 18 months

24 contracts worth $10.6M.

IncumbentBuyerWhatValueEndsEst. solicitationRecord
WATERFLEET, LLCNPS561990 All Other Support Services$8.0M15 November 2026Now / imminentUSASpending
GGN SOLUTIONS LLCNPS561990 All Other Support Services$528K31 December 2026Now / imminentUSASpending
HISTORY ASSOCIATES INCORPORATEDNPS561990 All Other Support Services$111K31 December 2026Now / imminentUSASpending
CEIBA ADVENTURES INCU.S. Geological Survey561990 All Other Support Services$50K31 December 2026Now / imminentUSASpending
HIUGA DIVING COU.S. Geological Survey561990 All Other Support Services$45K31 December 2026Now / imminentUSASpending
CENTURY CONSULTING, LLCU.S. Geological Survey561990 All Other Support Services$215K14 January 2027Now / imminentUSASpending
WATER WORKS SOLUTIONS INCNPS561990 All Other Support Services$95K28 February 2027Now / imminentUSASpending
ADIRONDACK ENVIRONMENTAL SERVICES, INC.U.S. Geological Survey561990 All Other Support Services$170K26 March 2027Now / imminentUSASpending
RURAL/METRO FIRE DEPT., INC.Reclamation561990 All Other Support Services$224K31 March 2027Now / imminentUSASpending
LEILANI M DEANBureau of Indian Affairs and Bureau of Indian Education561990 All Other Support Services$76K19 April 2027~Q4 2026USASpending
GALLATIN, COUNTY OFNPS561990 All Other Support Services$191K30 April 2027~Q4 2026USASpending
SANI-STAR LLCBLM561990 All Other Support Services$48K30 April 2027~Q4 2026USASpending
SANI-STAR LLCBLM561990 All Other Support Services$66K14 May 2027~Q4 2026USASpending
HYDRO ENGINEERING INNOVATION, LLCNPS561990 All Other Support Services$33K14 May 2027~Q4 2026USASpending
JOHNSON CONTROLS, INCU.S. Fish and Wildlife Service561990 All Other Support Services$142K21 June 2027~Q4 2026USASpending

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

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