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Department of Defense (DoD): NAICS 561611 — Investigation Services

0open solicitations
$54.7Mobligated in FY2026
26contracts ending within 18 months

Open solicitations

Nothing is open in this category right now.

How DoD NAICS 561611 spends

FY2021$91.5M
FY2022$10.7M
FY2023$1.9B
FY2024$9.9M
FY2025$25.5M
FY2026$54.7M
FY2027*$80K
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.

DoD NAICS 561611 contracts expiring in the next 18 months

26 contracts worth $1.8B.

IncumbentBuyerWhatValueEndsEst. solicitationRecord
ASRC FEDERAL ADMINISTRATIVE SERVICES, LLCDefense Counterintelligence and Security Agency561611 Investigation and Personal Background Check Services$42.3M31 October 2026Now / imminentUSASpending
IWORKS CORPDefense Counterintelligence and Security Agency561611 Investigation and Personal Background Check Services$8.0M04 November 2026Now / imminentUSASpending
FIELDPRINT INCAir Force561611 Investigation and Personal Background Check Services$116K17 December 2026Now / imminentUSASpending
CAPITAL CENTER FOR CREDIBILITY ASSESSMENT CORPORATIONNavy561611 Investigation and Personal Background Check Services$449K21 December 2026Now / imminentUSASpending
FIELDPRINT INCNavy561611 Investigation and Personal Background Check Services$74K23 January 2027Now / imminentUSASpending
CHENEGA NASWIK INTERNATIONAL LLCNavy561611 Investigation and Personal Background Check Services$2.2M04 February 2027Now / imminentUSASpending
FIELDPRINT INCNavy561611 Investigation and Personal Background Check Services$44K24 February 2027Now / imminentUSASpending
CAPITAL CENTER FOR CREDIBILITY ASSESSMENT CORPORATIONNavy561611 Investigation and Personal Background Check Services$299K04 March 2027Now / imminentUSASpending
CONNEXUS HUB INC.Navy561611 Investigation and Personal Background Check Services$3.1M10 March 2027Now / imminentUSASpending
FIELDPRINT INCNavy561611 Investigation and Personal Background Check Services$29K (3 orders)24 March 2027Now / imminentUSASpending
PERATON RISK DECISION INC.Defense Counterintelligence and Security Agency561611 Investigation and Personal Background Check Services$874.4M31 March 2027Now / imminentUSASpending
CACI, INC. - FEDERALDefense Counterintelligence and Security Agency561611 Investigation and Personal Background Check Services$861.5M31 March 2027Now / imminentUSASpending
FIELDPRINT INCNavy561611 Investigation and Personal Background Check Services$48K (2 orders)31 March 2027Now / imminentUSASpending
LASHAY SHAMBLEY LLCNavy561611 Investigation and Personal Background Check Services$73K02 April 2027Now / imminentUSASpending
INQUIRIES ACQUISITION LLCWashington Headquarters Services561611 Investigation and Personal Background Check Services$76K06 April 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.

NAICS 561611 across every agency → · Everything DoD has open →