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Agencies › Department of the Interior › NAICS 541330

Department of the Interior (DOI): NAICS 541330 — Engineering Services

0open solicitations
$133.3Mobligated in FY2026
406contracts ending within 18 months

Open solicitations

Nothing is open in this category right now.

How DOI NAICS 541330 spends

FY2021$116.1M
FY2022$221.6M
FY2023$187.1M
FY2024$197.3M
FY2025$174.0M
FY2026$133.3M
FY2027*$160K
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 541330 contracts expiring in the next 18 months

406 contracts worth $355.6M.

IncumbentBuyerWhatValueEndsEst. solicitationRecord
COOPER ZIETZ ENGINEERS, INC.Bureau of Indian Affairs and Bureau of Indian Education541330 Engineering Services$81K09 October 2026Now / imminentUSASpending
ALPHA CONSTRUCTION AND ENGINEERING CORPORATIONNPS541330 Engineering Services$410K10 October 2026Now / imminentUSASpending
CIVIL DESIGN & ENGINEERING INCNPS541330 Engineering Services$270K11 October 2026Now / imminentUSASpending
POOLE FIRE PROTECTION, INC.NPS541330 Engineering Services$189K12 October 2026Now / imminentUSASpending
STANTEC CONSULTING SERVICES INC.NPS541330 Engineering Services$383K16 October 2026Now / imminentUSASpending
JACOBS ENGINEERING GROUP INC.NPS541330 Engineering Services$76K16 October 2026Now / imminentUSASpending
STANLEY-DOWL JVNPS541330 Engineering Services$1.1M19 October 2026Now / imminentUSASpending
PAGE SOUTHERLAND PAGE, INC.NPS541330 Engineering Services$215K20 October 2026Now / imminentUSASpending
SEH - SLATE JV LLCU.S. Fish and Wildlife Service541330 Engineering Services$124K20 October 2026Now / imminentUSASpending
BOWMAN FIRE & LIFE SAFETY, INC.NPS541330 Engineering Services$59K21 October 2026Now / imminentUSASpending
FORSGREN ASSOCIATES INCU.S. Fish and Wildlife Service541330 Engineering Services$169K23 October 2026Now / imminentUSASpending
AECOM TECHNICAL SERVICES, INC.NPS541330 Engineering Services$483K25 October 2026Now / imminentUSASpending
FACET NW, INC.BLM541330 Engineering Services$168K26 October 2026Now / imminentUSASpending
K2M DESIGN, INCNPS541330 Engineering Services$66K26 October 2026Now / imminentUSASpending
JACOBS GOVERNMENT SERVICES COMPANYNPS541330 Engineering Services$828K30 October 2026Now / imminentUSASpending

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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