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Gathering insights about Castellum Inc.

Castellum Inc. Tech Stack

Castellum Inc. uses 8 technology products and services including Adobe, Microsoft Excel, GitLab, and more. Explore Castellum Inc.'s tech stack below.

  • Adobe
    Audio, Video, Graphics
  • Microsoft Excel
    Editors
  • GitLab
    Issue Trackers
  • Cisco
    Network Hardware
  • SAP Maintenance, Repair, and Overhaul
    Operations
  • HTML
    Programming Languages
  • X-XSS-Protection
    Security
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

Castellum Inc.'s Email Address Formats

Castellum Inc. uses at least 1 format(s):
Castellum Inc. Email FormatsExamplePercentage
FLast@castellumus.comJDoe@castellumus.com
50%
FLast@castellumus.comJDoe@castellumus.com
50%

Frequently Asked Questions

Where is Castellum Inc.'s headquarters located?

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Castellum Inc.'s main headquarters is located at 3 Bethesda Metro Center Suite 700 Bethesda, Maryland 20814 United States. The company has employees across 1 continents, including North America.

What is Castellum Inc.'s official website and social media links?

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Castellum Inc.'s official website is castellumus.com and has social profiles on LinkedInCrunchbase.

What is Castellum Inc.'s SIC code NAICS code?

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Castellum Inc.'s SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Castellum Inc. have currently?

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As of February 2026, Castellum Inc. has approximately 48 employees across 1 continents, including North America. Key team members include Chief Financial Officer: D. B.Chief Operating Officer: A. M.Vice President Of Human Resources: E. E.. Explore Castellum Inc.'s employee directory with LeadIQ.

What industry does Castellum Inc. belong to?

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Castellum Inc. operates in the Defense and Space Manufacturing industry.

What technology does Castellum Inc. use?

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Castellum Inc.'s tech stack includes AdobeMicrosoft ExcelGitLabCiscoSAP Maintenance, Repair, and OverhaulHTMLX-XSS-ProtectionX-Content-Type-Options.

What is Castellum Inc.'s email format?

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Castellum Inc.'s email format typically follows the pattern of FLast@castellumus.com. Find more Castellum Inc. email formats with LeadIQ.

How much funding has Castellum Inc. raised to date?

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As of February 2026, Castellum Inc. has raised $5M in funding. The last funding round occurred on Jun 12, 2025 for $5M.

When was Castellum Inc. founded?

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Castellum Inc. was founded in 2019.

Castellum Inc.

Defense and Space ManufacturingMaryland, United States11-50 Employees

Castellum, Inc. (NYSE: CTM) is a new technology company executing strategic acquisitions in the cyber security, information technology, information warfare, and electronic warfare space. In June 2019, the company brought on a new management team specifically to pursue an acquisition-led growth strategy. The company completed its first acquisition in November 2019. Contact us at info@castellumus.com.
WORK WITH US
NYSE: CTM
CONTRACT VEHICLES:
General Services Administration (GSS)
Professional Services Schedule (PSS)
Navy Seaport-e
Find our stock ticker here: https://www.nyse.com/quote/XASE:CTM

Section iconCompany Overview

Headquarters
3 Bethesda Metro Center Suite 700 Bethesda, Maryland 20814 United States
SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
2019
Employees
11-50

Section iconFunding & Financials

  • $5M

    Castellum Inc. has raised a total of $5M of funding over 7 rounds. Their latest funding round was raised on Jun 12, 2025 in the amount of $5M.

  • $1M$10M

    Castellum Inc.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $5M

    Castellum Inc. has raised a total of $5M of funding over 7 rounds. Their latest funding round was raised on Jun 12, 2025 in the amount of $5M.

  • $1M$10M

    Castellum Inc.'s revenue is estimated to be in the range of $1M$10M

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