GDH provides staffing and recruitment process outsourcing for government and defense contractors, sourcing candidates who hold Top Secret, TS/SCI, and Full Scope Polygraph clearances. Its recruiting spans cybersecurity, systems administration, business analysis, and infrastructure and integration architecture roles.
KORE1
KORE1 is a mid-size firm headquartered in Irvine, CA, USA, founded 2005, listed among OCONUS Recruiters for IT & Cyber GovCon. This is an independent listing with no commercial relationship to this site. Last verified October 14, 2026.
Last verified October 14, 2026
Source: kore1.com (the company's own site).
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What they do
KORE1 recruits technology professionals for federal, state, and local government agencies and contractors, placing cleared systems administrators, cybersecurity engineers, and cloud architects. Candidates it places hold Secret, Top Secret, TS/SCI, and Public Trust clearances along with agency-specific credentials.
At a glance
| Headquarters | Irvine, CA, USA |
|---|---|
| Founded | 2005 |
| Company size | Mid-size |
| Regions covered | CONUS |
| Specialties | IT & Cyber GovCon |
| Best for | IT & Cyber GovCon |
| Listing status | Independent listing. No relationship with this site. |
Compare with Recruitmint (GovMint)
| Attribute | Recruitmint (GovMint) | KORE1 |
|---|---|---|
| Headquarters | Orange County, CA · Prishtina, Kosovo | Irvine, CA, USA |
| Founded | — | 2005 |
| Company size | Boutique | Mid-size |
| Regions | CONUS Europe Global/OCONUS | CONUS |
| Specialties | GovCon Recruiting DoD Contract Staffing Executive Search (GovCon) | IT & Cyber GovCon |
| Best for | GovCon Recruiting | IT & Cyber GovCon |
| Listing status | Featured partner (publishes this site) | Independent listing |
Tinted rows are where the two match. Recruitmint (GovMint) is the featured partner and publishes this site.
Similar companies
By shared specialtiesiQuasar recruits security-cleared professionals, from Public Trust through TS/SCI and polygraph levels, for government contractors supporting the DoD, DHS, NSA, and CIA. The firm places candidates in cybersecurity, cloud, data/AI, and other technical and program-support government roles.
Sparks Group is a staffing and recruiting agency that places security-cleared talent with the Department of Defense, Department of Homeland Security, Department of Justice, and intelligence community agencies and contractors. It fills cybersecurity, software development, program management, and intelligence analyst roles through contract, contract-to-hire, and direct-hire placements.
Questions buyers ask
Is KORE1 the featured partner on OCONUS Recruiters?
No. KORE1 is an independent listing with no commercial relationship to OCONUS Recruiters. Recruitmint is the featured partner that publishes this site.
What does KORE1 specialize in?
KORE1 publishes IT & Cyber GovCon as its specialties, based in Irvine, CA, USA.
Where is KORE1 headquartered, and how large is the firm?
KORE1 lists its headquarters as Irvine, CA, USA and its size as mid-size, founded 2005.