Insights

Acquisition Opportunity Calhoun International is now part of Core One Group through an acquisition in December 2024, signaling a broader combined capability—leverage this to pursue joint contracts with DoD and IC clients, highlighting expanded delivery scale and integrated service offerings.

Defense and IC Fit With a DoD CVE certification and focus areas including intelligence, cyber, threat finance, counterterrorism, and operational research, target opportunities in intelligence operations, cyber defense analytics, and threat assessment contracts within military and intelligence agencies.

Geographic Reach Headquartered in Tampa with footprints across Florida, Maryland, Texas, Virginia, Washington DC, and overseas locations, pursue multi-region programs and task orders where a distributed capability and on-site/off-site staffing can meet regional government needs.

Financial Scale Reported revenue in the $100M–$250M range places Calhoun/Core One as a mid‑tier federal contractor, suitable for large prime teaming opportunities and subcontracting on larger programs with aerospace, defense, and homeland security prime integrators.

Technical Stack Utilize their analytics, geospatial, and IT capabilities (Databricks, ESRI, Google Earth Pro, Cyberspace Analytics, and information systems) to craft value propositions around data fusion, geospatial intelligence, cyber situational awareness, and investigations support for DoD and IC customers.

Calhoun International (d/b/a Core One) Tech Stack

Calhoun International (d/b/a Core One) uses 8 technology products and services including Databricks, jQuery Migrate, Modernizr, and more. Explore Calhoun International (d/b/a Core One)'s tech stack below.

  • Databricks
    Big Data Processing
  • jQuery Migrate
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • Google Earth Pro
    Mapping And Gis
  • Microsoft Office
    Office Suites
  • Piwik
    System Analytics & Monitoring
  • ESRI
    Visualisation Software
  • Shortcodes Ultimate
    Web Tools And Plugins

Calhoun International (d/b/a Core One)'s Email Address Formats

Calhoun International (d/b/a Core One) uses at least 1 format(s):
Calhoun International (d/b/a Core One) Email FormatsExamplePercentage
FLast@calhouninternational.comJDoe@calhouninternational.com
99%
FL@calhouninternational.comJD@calhouninternational.com
1%

Frequently Asked Questions

What is Calhoun International (d/b/a Core One)'s phone number?

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You can contact Calhoun International (d/b/a Core One)'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Calhoun International (d/b/a Core One)'s official website and social media links?

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Calhoun International (d/b/a Core One)'s official website is calhouninternational.com and has social profiles on LinkedIn.

What is Calhoun International (d/b/a Core One)'s SIC code NAICS code?

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Calhoun International (d/b/a Core One)'s SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does Calhoun International (d/b/a Core One) have currently?

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As of July 2026, Calhoun International (d/b/a Core One) has approximately 83 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive: J. H.Vice President / Chief Financial Officer: N. B.Partner: S. A.. Explore Calhoun International (d/b/a Core One)'s employee directory with LeadIQ.

What industry does Calhoun International (d/b/a Core One) belong to?

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Calhoun International (d/b/a Core One) operates in the Business Consulting and Services industry.

What technology does Calhoun International (d/b/a Core One) use?

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Calhoun International (d/b/a Core One)'s tech stack includes DatabricksjQuery MigrateModernizrGoogle Earth ProMicrosoft OfficePiwikESRIShortcodes Ultimate.

What is Calhoun International (d/b/a Core One)'s email format?

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Calhoun International (d/b/a Core One)'s email format typically follows the pattern of FLast@calhouninternational.com. Find more Calhoun International (d/b/a Core One) email formats with LeadIQ.

When was Calhoun International (d/b/a Core One) founded?

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Calhoun International (d/b/a Core One) was founded in 2005.
Calhoun International (d/b/a Core One) logo

Calhoun International (d/b/a Core One)

Business Consulting and ServicesFlorida, United States51-200 Employees

Calhoun International, d/b/a Core One, is a Tampa-based business consulting and services firm established in 2005. It operates as a Service Disabled Veteran-Owned, Small Business certified by the Department of Veterans Affairs Center for Veterans Enterprise, with a footprint across Florida, Maryland, Texas, Virginia, Washington DC, and overseas locations. The company offers a range of analytic and operational support services, including intelligence operations and analysis, fraud analysis and investigations, threat finance analysis, cyberspace analytic support, information technology, irregular warfare analysis, strategic planning, counterterrorism analysis, and operational research systems analysis. Its client focus lies with government agencies operating within the defense and intelligence communities, addressing complex security, threat, and strategic challenges. In December 2024 Core One Group announced the acquisition of Calhoun International, signaling a consolidation aimed at expanding mission-critical support for agency customers in the DoD and IC.” } }# } } }} } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } } }

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Founded
2005
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Calhoun International (d/b/a Core One)'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Calhoun International (d/b/a Core One)'s revenue is estimated to be in the range of $100M$250M

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