Insights

Niche Market Leadership Critical I/O specializes in high-performance interfaces tailored for embedded, avionics, and military sectors, positioning it as a key player in specialized, mission-critical applications that require reliable and cutting-edge hardware solutions.

Innovative Ethernet Technology The company's Silicon Stack Ethernet architecture enables high-performance Ethernet interfaces to compete with proprietary fabrics, offering potential upsell opportunities to clients seeking open, cost-effective network solutions in real-time embedded systems.

Growth Potential With annual revenues estimated between 1 million and 10 million and a relatively small team, Critical I/O is positioned for targeted expansion, particularly in defense and aerospace markets where demand for advanced embedded interfaces is rising.

Strategic Customer Base Critical I/O’s focus on aerospace and military applications suggests existing or potential partnerships with government agencies and defense contractors, presenting prospects for long-term contracts and repeat business.

Technical Expertise Advantage Known for technical proficiency and innovative solutions, Critical I/O can leverage its reputation to attract OEMs and system integrators looking for reliable embedded connectivity components, opening doors to collaborative development and custom solutions.

Critical I/O Tech Stack

Critical I/O uses 8 technology products and services including RSS, WordPress, Google Fonts API, and more. Explore Critical I/O's tech stack below.

  • RSS
    Content Management System
  • WordPress
    Content Management System
  • Google Fonts API
    Font Scripts
  • Wow
    Marketing Analytics
  • PHP
    Programming Languages
  • reCAPTCHA
    Security
  • Animate.css
    UI Frameworks
  • Apache
    Web Servers

Media & News

Critical I/O's Email Address Formats

Critical I/O uses at least 1 format(s):
Critical I/O Email FormatsExamplePercentage
FLast@criticalio.comJDoe@criticalio.com
42%
Last@criticalio.comDoe@criticalio.com
8%
FLast@criticalio.comJDoe@criticalio.com
42%
Last@criticalio.comDoe@criticalio.com
8%

Frequently Asked Questions

Where is Critical I/O's headquarters located?

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Critical I/O's main headquarters is located at US. The company has employees across 1 continents, including North America.

What is Critical I/O's phone number?

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You can contact Critical I/O'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 Critical I/O's official website and social media links?

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Critical I/O's official website is criticalio.com and has social profiles on LinkedIn.

How much revenue does Critical I/O generate?

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As of October 2025, Critical I/O's annual revenue is estimated to be $3.1M.

What is Critical I/O's NAICS code?

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Critical I/O's NAICS code is 3341 - Computer and Peripheral Equipment Manufacturing.

How many employees does Critical I/O have currently?

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As of October 2025, Critical I/O has approximately 12 employees across 1 continents, including North America. Key team members include Sr. Staff Engineer: D. B.Mechanical Design Engineer: R. C.. Explore Critical I/O's employee directory with LeadIQ.

What industry does Critical I/O belong to?

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Critical I/O operates in the Computer Hardware Manufacturing industry.

What technology does Critical I/O use?

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Critical I/O's tech stack includes RSSWordPressGoogle Fonts APIWowPHPreCAPTCHAAnimate.cssApache.

What is Critical I/O's email format?

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Critical I/O's email format typically follows the pattern of FLast@criticalio.com. Find more Critical I/O email formats with LeadIQ.
Critical I/O

Critical I/O

Computer Hardware ManufacturingUnited States11-50 Employees

Critical I/O, headquartered in Irvine, California, is the leading provider of high-performance interfaces for embedded, avionics and military applications. The company has shipped more than 30,000 Fibre Channel interfaces into the embedded systems marketplace with nearly a decade of progressive development and testing. Critical I/O has also brought true high performance Ethernet interfaces to the real-time and embedded systems marketplace. With its unique Silicon Stack Ethernet architecture, Critical I/O is leading the way in enabling high performance Ethernet-based systems to compete, for the first time, with costly proprietary fabrics. Known worldwide for its technical expertise, software support, and its ability to leverage state of the art commercial technology, Critical I/O focuses entirely on the network requirements of high performance embedded systems.

Section iconCompany Overview

Headquarters
US
Phone number
NAICS Code
3341 - Computer and Peripheral Equipment Manufacturing
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    Critical I/O's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Critical I/O's revenue is estimated to be in the range of $1M$10M

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