NAICS 561611 - Investigation and Personal Background Check Services RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Investigation and Personal Background Check Services (NAICS 561611) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

About Investigation and Personal Background Check Services (NAICS 561611)

This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services.

StatusTitleBuyerDue Date
ClosedFraud Investigation Surveillance Services

The Commission des normes, de l'équité, de la santé et de la sécurité du travail is seeking on-demand technical services for verification, surveillance, infiltration, and tracking in fraud investigations throughout Quebec.

Quebec, Canada•Request for Proposal (RFP)
Quebec > CNESST10/13/2026
OpenBackground Investigation Services

The New York State Gaming Commission, on behalf of the State of New York, is seeking proposals for background investigation services under a five-year contract.

New York, USA•Request for Proposal (RFP)Service-Disabled Veteran-Owned BusinessMinority-Owned Business
New York > Gaming, New York State Commission12/3/2026
ClosedInvestigative Background Check Services

The Massachusetts Cannabis Control Commission is seeking investigative background check services for marijuana establishment licenses and applicants under Massachusetts cannabis regulations.

2 Washington Square, Worcester, MA, USA•Request for Quote/Qualifications (RFQ)
Massachusetts > Cannabis Control Commission10/13/2026
OpenPre-Employment Background Investigation Services

The City University of New York is seeking a New York State-certified service-disabled veteran-owned business to provide pre-employment background investigation reports and related screening services for candidates throughout the University system under a three-year requirements contract.

New York, NY, USA•Invitation for/to Bid (IFB/ITB)Service-Disabled Veteran-Owned Business
The City University of New York > Office of Human Resources Management > Centralized Procurement Office10/15/2026
OpenBackground Check Services

Los Angeles County is requesting background check services under solicitation RFSS-2026-2027-00001.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
Los Angeles County10/19/2026
OpenLabor Disruption Contingency Security Services

The Toronto Transit Commission is seeking a security firm to plan and provide contingency security, investigation, evidence handling, picket-line monitoring, and mobile patrol services during transit labour disruptions.

Toronto, ON, Canada•Request for Proposal (RFP)
Toronto Transit Commission10/14/2026
OpenDrug and Alcohol Testing Services

Hidalgo County is seeking an as-needed contractor to provide certified drug and alcohol sample collection, testing, review, and reporting services for County employees and applicants.

Hidalgo County, TX, USA•Invitation for/to Bid (IFB/ITB)Other
Hidalgo County10/14/2026
OpenCanine Contraband Detection Services

The Maryland Department of Health's Clifton T. Perkins Hospital Center is seeking a qualified vendor to provide canine contraband detection services using a randomized deterrence strategy to protect patients and staff.

Clifton T. Perkins Hospital Center, Jessup, MD, USA•Request for Quote/Qualifications (RFQ)Small Business
Maryland > Clifton T. Perkins Hospital Center10/22/2026
OpenStatewide Security and Investigative Services

The Massachusetts Operational Services Division is seeking statewide contractors for security services, private investigative services, security assessments, surveillance and detection, and emergency response training under the FAC132 contract.

1 Ashburton Place, Boston, MA, USA•Request for Proposal (RFP)Small Business
Massachusetts > Operational Services Division2/11/2027
OpenBackground Investigation Services

The San Diego Metropolitan Transit System is seeking a contractor to provide background investigation services, including criminal, employment, education, credential, reference, credit, and civil records checks, for up to five base years and five option years.

1255 Imperial Avenue, San Diego, CA, USA•Request for Proposal (RFP)
San Diego Metropolitan Transit System11/10/2026
OpenCountywide Temporary Employment Services

Brevard County Board of County Commissioners is seeking temporary employment staffing services for countywide departments, including recruitment, screening, background checks, drug testing, payroll administration, and placement of workers in approximately 30 job categories.

Brevard County, FL, USA•Invitation for/to Bid (IFB/ITB)
Brevard County > Purchasing Services11/10/2026
OpenNavajo Head Start Background Check Services

Navajo Head Start is requesting proposals for background check services for its program.

Navajo Head Start - Central Administration, Window Rock, AZ, USA•Request for Proposal (RFP)
Navajo Nation > Navajo Head Start12/1/2026
OpenAlternate Borough Prosecutor Services

The Borough of Pompton Lakes is seeking qualifications from attorneys or firms to provide alternate borough prosecutor services for calendar year 2027.

25 Lenox Avenue, Pompton Lakes, NJ, USA•Request for Quote/Qualifications (RFQ)
Borough of Pompton Lakes11/20/2026
OpenWorkplace Investigative Services

The City of Camden is seeking a qualified pool of contractors, including sole practitioners, companies, and law firms, to perform workplace investigations and related services on an as-needed basis.

Camden, NJ, USA•Request for Proposal (RFP)
City of Camden10/27/2026
OpenLaw-Enforcement Polygraph Examination Services

Chatham County is seeking qualified providers for as-needed law-enforcement polygraph examinations, including criminal investigations, administrative investigations, pre-employment screening, reporting, and related testimony or consultation.

Chatham County, GA, USA•Request for Proposal (RFP)
Chatham County > Purchasing and Contracting Department > Chatham County Police Department10/29/2026
OpenProfessional Audit and Support Services (PASS) Supply Arrangement

The Government of Canada is seeking suppliers to qualify for a Professional Audit and Support Services (PASS) Supply Arrangement, covering eight streams including internal audit, forensic audit, and external audit, with ongoing quarterly refresh periods.

Canada•Request for Proposal (RFP)Other
Government of Canada > Public Works and Government Services Canada7/31/2028
Open2027 Drug and Alcohol Testing Services

The Southeastern Regional Services Group is seeking proposals for drug and alcohol testing and administrative services for participating Massachusetts municipalities under a three-year contract beginning January 1, 2027.

Sharon Town Hall, Sharon, MA, USA•Request for Proposal (RFP)
Massachusetts > Southeastern Regional Services Group10/22/2026
OpenDrug Testing and Alcohol Screening Services

The City of El Paso is soliciting a contractor to provide drug testing and alcohol screening services, primarily for its Police Department, on an as-needed basis.

El Paso Police Department, El Paso, TX, USA•Request for Proposal (RFP)
El Paso11/4/2026
OpenNSPIRE Inspection Services

The Middletown Housing Authority is seeking licensed inspectors to conduct approximately 350 annual and occasional special NSPIRE inspections for its 349 housing units.

Middletown, NJ, USA•Request for Proposal (RFP)Minority-Owned Business
Middletown Housing Authority10/14/2026
OpenCPA Investigative Reviewer Services

The Arizona Department of Administration is seeking CPA investigative reviewer services for the Arizona State Board of Accountancy under one or more single-agency contracts.

Arizona, USA•Request for Proposal (RFP)
State of Arizona > Accountancy Board10/28/2026
OpenUniformed Security Services

The City of Thunder Bay is requesting uniformed security services, including static guards, mobile alarm response, scheduled and on-call mobile patrols, foot patrols, and support for special meetings and incidents.

Thunder Bay, ON, Canada•Request for Proposal (RFP)
City of Thunder Bay10/29/2026
OpenAnnual Security Guard Services

The City of Visalia is seeking an annual contractor to provide unarmed security guard staffing, patrol, access control, and event support at transit facilities, parking structures, a water reclamation facility, and other city locations.

Visalia, CA, USA•Invitation for/to Bid (IFB/ITB)
City of Visalia > Purchasing Division11/17/2026
OpenPre-Employment and Background Check Services

The City of Charleston is seeking a single vendor to provide pre-employment background investigations, DOT and non-DOT drug testing, physical examinations, tuberculosis testing, and related screening technology and support.

Charleston, SC, USA•Request for Proposal (RFP)Small Business
City of Charleston > Procurement Division10/15/2026
OpenPhysical Security Services

The Corporation of the City of Oshawa is requesting proposals for physical security services under an estimated 60-month contract, with electronic submissions due October 20, 2026, at 6:00 p.m. EDT.

Oshawa, ON, Canada•Request for Proposal (RFP)
City of Oshawa10/20/2026
OpenSecurity Services for City and Transit Facilities

The City of Kelowna is seeking a licensed security provider for guard and regulation-enforcement services, mobile patrols, alarm and incident response, CCTV monitoring, facility monitoring, and park lock/unlock services across city and transit facilities.

Kelowna, BC, Canada•Request for Proposal (RFP)
City of Kelowna10/26/2026
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What is NAICS code 561611 (Investigation and Personal Background Check Services)?+

This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services.

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