Insights

Integrated Networking J4 Systems is a regional network integrator with long-standing experience in multi-vendor environments, presenting an opportunity to upsell managed services, network design, and implementation for mid-market clients seeking scalable, cross-vendor solutions.

Microsoft Alignment The company has a history of Microsoft-focused awards and partnerships, indicating strong potential to expand with Microsoft 365, Azure migrations, SharePoint customization, and unified communications offerings to existing customers.

Managed Services Opportunity With a broad IT services footprint including managed services, maintenance, and development, there is an opportunity to upsell comprehensive managed IT packages to businesses looking to consolidate vendors and improve SLA-driven support.

Regional Focus Strong Northern California presence (Bay Area and Central Valley) suggests targeting mid-market enterprises in these corridors for network modernization, security upgrades, and regional compliance projects.

Strength in Certifications High engineering certifications and profile as a heritage partner position J4 Systems to cross-sell advanced engineering services, custom development, and architectural design to customers pursuing complex networking initiatives.

Similar companies to J4 Systems

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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