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Agencies › Department of the Interior › NAICS 541611

Department of the Interior (DOI): NAICS 541611 — Administrative Management and General Management Consulting Services

2open solicitations
$155.5Mobligated in FY2026
215contracts ending within 18 months

Open solicitations

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How DOI NAICS 541611 spends

FY2021$213.7M
FY2022$587.2M
FY2023$500.7M
FY2024$226.1M
FY2025$195.2M
FY2026$155.5M
FY2027*$714K
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 541611 contracts expiring in the next 18 months

215 contracts worth $653.7M.

IncumbentBuyerWhatValueEndsEst. solicitationRecord
AALIS MANAGEMENT CONSULTING LLCDepartmental Offices541611 Administrative Management and General Management Consulting Services$5.5M19 October 2026Now / imminentDetails
VOIGT PETERS ASSOCIATES LLCDepartmental Offices541611 Administrative Management and General Management Consulting Services$21.7M31 October 2026Now / imminentDetails
PROCON CONSULTING LLCNPS541611 Administrative Management and General Management Consulting Services$308K31 October 2026Now / imminentDetails
CHENHALL SEDONA SERVICES JOINT VENTURE, LLCReclamation541611 Administrative Management and General Management Consulting Services$276K31 October 2026Now / imminentDetails
MARITIME EXPERT GROUP LLCNPS541611 Administrative Management and General Management Consulting Services$240K31 October 2026Now / imminentDetails
PARTNERS FOR PERFORMANCE, INCU.S. Fish and Wildlife Service541611 Administrative Management and General Management Consulting Services$35K31 October 2026Now / imminentDetails
SARAH JO WARD LLCDepartmental Offices541611 Administrative Management and General Management Consulting Services$33K31 October 2026Now / imminentDetails
AKICITA CYBER LLCBureau of Indian Affairs and Bureau of Indian Education541611 Administrative Management and General Management Consulting Services$6.3M02 November 2026Now / imminentDetails
JDG ASSOCIATES INCDepartmental Offices541611 Administrative Management and General Management Consulting Services$972K09 November 2026Now / imminentDetails
BOOZ ALLEN HAMILTON INCNPS541611 Administrative Management and General Management Consulting Services$154K25 November 2026Now / imminentDetails
MATHEMATICA INC.Departmental Offices541611 Administrative Management and General Management Consulting Services$6.9M30 November 2026Now / imminentDetails
APPLIED INTELLECT LLCDepartmental Offices541611 Administrative Management and General Management Consulting Services$3.0M30 November 2026Now / imminentDetails
INTERIOR SYSTEMS, INC.NPS541611 Administrative Management and General Management Consulting Services$545K30 November 2026Now / imminentDetails
DAVID M. DORNBUSCH AND COMPANYNPS541611 Administrative Management and General Management Consulting Services$59K30 November 2026Now / imminentDetails
BDJ CONSULTING INCU.S. Geological Survey541611 Administrative Management and General Management Consulting Services$70K08 December 2026Now / imminentDetails

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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