Top SSA investigation and personal background check services contractors
In the 12 months ending Oct 5, 2026, the Social Security Administration obligated $24.7M in net prime contract dollars under NAICS 561611, up 21.6% from $20.3M in the preceding 12 months. 12 prime contractors received positive obligations, and 1 of them accounted for 80% of that spend.
Prime contracts funded by the Social Security Administration. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top SSA contractors for NAICS 561611
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Equifax Workforce Solutions LLC | $20.8M | $17.7M | 80.1% | — |
| 2 | Geauga County of | $941K | $867K | 3.6% | ▲ 1 |
| 3 | Harris County | $923K | $224K | 3.5% | ▲ 6 |
| 4 | City of Hawthorne Police Department | $891K | $891K | 3.4% | ▼ 2 |
| 5 | ST. Louis County, Missouri | $713K | $688K | 2.8% | ▼ 1 |
| 6 | EAP Consultants, LLC | $420K | $298K | 1.6% | ▲ 1 |
| 7 | Madison County Prosecutor | $334K | $306K | 1.3% | ▼ 1 |
| 8 | City of Chicago | $325K | $292K | 1.3% | — |
| 9 | Department of Police Puerto Rico | $279K | $560K | 1.1% | ▼ 4 |
| 10 | Information Discovery Services, LLC | $173K | $30K | 0.7% | ▲ 2 |
| 11 | Fieldprint Inc | $125K | $94K | 0.5% | ▼ 1 |
| 12 | Government Retirement & Benefits, Inc. | $41K | $41K | 0.2% | ▼ 1 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Equifax Workforce Solutions LLC$17.7M → $20.8M (+$3.1M) · now #1
- Harris County$224K → $923K (+$699K) · now #3
- ST Louis, County of−$236K → $0 (+$236K) · no latest-period obligations
Largest declines
- Department of Police Puerto Rico$560K → $279K (−$280K) · now #9
- Omniplex World Services Corporation−$1.2M → −$1.3M (−$21K) · no latest-period obligations
Where the money comes from
Funding sub-agencies within the Social Security Administration, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Social Security Administration | $24.7M | $20.3M | Up $4.4M (21.6%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 28321323C00060003 | ST. Louis County, Missouri INVESTIGATIVE SERVICES TO SUPPORT THE ST. LOUIS, MISSOURI COOPERATIVE DISABILITY INVESTIGATIONS UNIT. CONTRACTOR IS TO CONDUCT FRAUD INVESTIGATIONS FOR THE COOPERATIVE DISABILITY… | $2.6M | Feb 28, 2027 |
| 28321325C00060008 | Geauga County of CONTRACT FOR INVESTIGATIVE SERVICES TO THE CLEVELAND, OH COOPERATIVE DISABILITY INVESTIGATIONS (CDI) UNIT. CONTRACT INCREMENTALLY FUNDED THROUGH 04/30/2025. | $1.8M | Mar 31, 2027 |
| 28321326FA0010157 | Equifax Workforce Solutions LLC INCOME VERIFICATION SERVICES FOR OPTION YEAR 4 (06/12/2026 TO 06/11/2027) IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF BPA NO. 28321322A00040007. | $19.7M | Jun 11, 2027 |
| 28321322FDX030135 | EAP Consultants, LLC NATIONWIDE EMPLOYEE ASSISTANCE PROGRAM PROVIDE COMPREHENSIVE EAP AND WORK-LIFE SERVICES TO SOCIAL SECURITY ADMINISTRATION EMPLOYEES NATIONWIDE | $8.0M | Jun 30, 2027 |
| 28321325C00060002 | City of Hawthorne Police Department CONTRACT FOR INVESTIGATIVE SERVICES TO SUPPORT THE LOS ANGELES COOPERATIVE DISABILITY INVESTIGATIONS UNIT. CONTRACTOR IS TO CONDUCT FRAUD INVESTIGATIONS FOR THE COOPERATIVE… | $1.8M | Aug 31, 2027 |
| 28321324P00050319 | Harris County CDI HOUSTON LAW ENFORCEMENT CONTRACT. PROVIDE FRAUD INVESTIGATIONS FOR THE OFFICE OF THE INSPECTOR GENERAL (OIG), COOPERATIVE DISABILITY INVESTIGATIONS (CDI) UNIT IN HOUSTON, TX. | $2.3M | Sep 26, 2027 |
| 28321323C00060020 | Department of Police Puerto Rico SECURE A CONTRACT FOR THE SERVICES OF 5 PUERTO RICO POLICE DEPARTMENT EMPLOYEES TO BE ASSIGNED AS INVESTIGATORS FOR THE PUERTO RICO COOPERATIVE DISABILITY INVESTIGATIONS UNIT.… | $1.1M | Sep 26, 2027 |
Common questions
Who are the top SSA contractors for NAICS 561611?
In the latest 12 months, Equifax Workforce Solutions LLC ($20.8M), Geauga County of ($941K), Harris County ($923K) received the most SSA obligations for investigation and personal background check services.
How concentrated is this market?
The eight largest primes held 97.6% of positive obligations, and Equifax Workforce Solutions LLC alone held 80.1%. 0 contractors won their first obligations in this market during the latest 12 months.
Are any large SSA NAICS 561611 contracts ending soon?
7 of the largest awards in this market reach their current end date in the next 18 months. The first is 28321323C00060003 (ST. Louis County, Missouri, $2.6M obligated), ending Feb 28, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 561611 across all agencies
DoD · NAICS 561611
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$373.8MDOJ · NAICS 561611
$50.3MHHS · NAICS 561611
$34.0MUSDA · NAICS 561611
$12.6MVA · NAICS 561611
$11.6MState Department · NAICS 561611
$7.2MTreasury · NAICS 561611
$6.9MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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