Since 1994, J4 Systems has been a network integrator specializing in providing business technology consulting to deliver a broad range of comprehensive IT services and support.

J4 Systems employs the most experienced engineers with the highest-level engineering certifications and extensive experience working in multi-vendor/multi-technology environments. We service the greater Northern California region; including the Central Valley and Bay Area.

To speak to someone about the technology needs of your business, please call us at 866.547.9783 or send an email to

Discover how J4 Systems can help your company build and maintain a solid, secure network framework.

Our instructor-led training and state-of-the-art facilities offer an unsurpassed training experience.

Learn how web design & custom business applications can streamline the processes of your organization.

Help increase productivity by increasing uptime, dependability and accessibility of your data.