443 Technologies

443technologies.com

Shelton, Connecticut, United States

11-50 employees

LinkedIn Profile

About 443 Technologies

project management, b2b, security consulting, cybersecurity, scada security, network automation, industrial control system security, custom dashboards, system integration, hardware and software installation, consulting, network security, security segmentation, ics and scada security, security program development, utilities, regulatory compliance, remote access security, it infrastructure, risk assessment

443 Technologies's Tech Stack

AI/ML

Mobile

Android

14 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

443 Technologies uses Outlook, Microsoft Office 365, Typekit among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

443 Technologies's Position in the StackWho Database

• 443 Technologies is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 2,639 companies in Connecticut are in the StackWho database.
• 2,072 computer & network security companies are in the 11-50 employee range (same size as 443 Technologies).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does 443 Technologies use?

443 Technologies uses Outlook, Microsoft Office 365, Typekit, Mobile Friendly, KNIME, Domo, and 8 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 443 Technologies?

StackWho has verified email addresses for 1 decision maker at 443 Technologies. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 443 Technologies directly for sales, recruiting, or partnerships.

What industry is 443 Technologies in?

443 Technologies operates in the computer & network security industry, headquartered in Shelton, Connecticut, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 443 Technologies's contact data?

Yes. StackWho Pro members can export decision maker contact data for 443 Technologies and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.