Insights

Regional Expertise J4 Systems serves the Northern California region including the Central Valley and Bay Area, indicating strong local market knowledge and established multi-vendor engineering capabilities ideal for regional enterprise projects and local government initiatives.

Mature MSP Offerings With capabilities spanning managed services, network design, implementation, maintenance, and development, J4 Systems presents a comprehensive IT services bundle suitable for customers seeking a single partner for end-to-end networking and unified communications.

Strong Certifications A track record of high-level engineering certifications and multiple Microsoft partner awards signals credibility with enterprise clients and potential access to Microsoft-focused opportunities and incentives.

Midmarket Focus Employee range and revenue positioning suggest a mid-sized focus, which aligns well with midmarket enterprises that require personalized service, multi-vendor integration, and scalable IT solutions.

Security & Web Capabilities Tech stack includes Barracuda Email Protection and WordPress, pointing to potential needs in security, web infrastructure, and managed hosting, offering upsell opportunities around secure email, site protection, and performance optimization.

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J4 Systems Tech Stack

J4 Systems uses 8 technology products and services including iCIMS, RSS, WordPress, and more. Explore J4 Systems's tech stack below.

J4 Systems's Email Address Formats

J4 Systems uses at least 4 email formats:
J4 Systems Email FormatsExamplePercentage
FLast@j4systems.comJDoe@j4systems.com
55%
First@j4systems.comJohn@j4systems.com
37%
First.Last@j4systems.comJohn.Doe@j4systems.com
5%
F.Last@j4systems.comJ.Doe@j4systems.com
3%

Frequently Asked Questions

What is J4 Systems's phone number?

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You can contact J4 Systems'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 J4 Systems's official website and social media links?

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J4 Systems's official website is j4systems.com and has social profiles on LinkedIn.

How much revenue does J4 Systems generate?

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As of September 2026, J4 Systems's annual revenue is estimated to be $100M - $250M.

What is J4 Systems's SIC code and NAICS code?

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J4 Systems's SIC code is 7378 - Computer Maintenance and Repair and NAICS code is 3341 - Computer and Peripheral Equipment Manufacturing.

How many employees does J4 Systems have currently?

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As of September 2026, J4 Systems has approximately 28 employees across 3 continents, including North America, Asia and Africa. Key team members include Controller: R. P., Purchasing Manager: C. M. and Manger: J. H. Explore J4 Systems's employee directory with LeadIQ.

What industry does J4 Systems belong to?

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J4 Systems operates in the Computer Networking Products industry.

What technology does J4 Systems use?

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J4 Systems's tech stack includes iCIMS, RSS, WordPress, Barracuda Email Protection, jQuery, Brevo, Piwik PRO Core and Endurance Page Cache.

What is J4 Systems's email format?

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J4 Systems's email format typically follows the pattern of FLast@j4systems.com. Find more J4 Systems email formats with LeadIQ.

When was J4 Systems founded?

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J4 Systems was founded in 1994.
J4 Systems logo

J4 Systems

Computer Networking ProductsCalifornia, United States11-50 Employees

J4 Systems is a Northern California-based network integrator that has offered a broad suite of IT services since 1994. The company provides managed services, network consulting, architectural design and implementation, maintenance, custom development, web design, SharePoint customization, and unified communications, supporting multi-vendor and multi-technology environments. Its work centers on delivering comprehensive IT solutions that help organizations plan, deploy, and manage complex network and information systems.

Section iconCompany Overview

Phone number
SIC Code
7378 - Computer Maintenance and Repair
NAICS Code
3341 - Computer and Peripheral Equipment Manufacturing
Founded
1994
Employees
11-50

Section iconFunding & Financials

  • $100M - $250M

    J4 Systems's revenue is estimated to be in the range of $100M - $250M

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