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Who We Are

NSI – Network & System Integration has been providing professional IT services, support, consulting, maintenance, design, implementation and managed services since 1998

Mission Statement

NSI’s mission is to provide IT solutions, services and support for all types of businesses to enable them to succeed. We will strive to build long-lasting customer relationships and provide our customers with excellent customer service.

We want to be a valuable resource to our customers and build trust with them by providing high quality, reliable and innovative IT solutions using industry best practices to small, medium and large sized businesses.

About Us

NSI - Network & System Integration is located in Temecula CA. and has been providing computer repair and low cost IT services and support to businesses and residents in Southern California for over 15 years. Our service areas include San Diego, Temecula, Murrieta, Orange County and Riverside County. We have over 35+ years of combined experience in the IT industry and base our work on IT standards and best practices. We specialize in providing expert and professional IT services including computer repair, server solutions, telephony/network solutions and web design just to name a few. NSI currently holds many leading industry IT certifications including Cisco, Microsoft, A+, Network+, and IBM. If you would like more information or would like to see a full list of our IT services, please go here.

At NSI we provide IT services to small, medium and large business clients who depend on reliable PC’s, servers and networks, but don’t have the budget to keep it that way. Our managed IT support programs are designed to keep expenses down but yet make your IT infrastructure reliable and robust, so you can focus on your core business. Our knowledgeable IT staff and engineers use IT best practices to help our customers better utilize their PC’s, servers and networks to maximize availability and increase business efficiencies.

As a small business owner, you want to save money where you can but provide maximum benefits. That is why we offer a FREE network assessment and consultation to get you started on the right path. We will provide you with a comprehensive design and assist you with the various solutions to meet your objectives while staying within budget. Our support offerings range from 1, 2 and 3 years so there is no risk in giving NSI a try!


Why We’re Different

NSI uses a proactive stance rather than reactive. Our management platform which we deploy at each customer location monitors, manages and reports on your critical network resources 24/7 and provides our customers with a return on investment that will bring the business many benefits and value. You can trust NSI to help you remotely monitor and manage your critical network and systems. Here are just a few of the services we provide.


We value our customers and strive for long lasting business partnerships. One way we show our customer’s value is by offering our Customer Loyalty Program (CLP) which provides an increasing discount the more you chose NSI as your primary IT service provider. We also offer FREE IT support on most completed projects to provide additional warranty and comfort. We want our customer’s to know that we back our work 100% guaranteed!

So before you just pick up the phone book, Google or Bing for computer repair or IT services, call us first for a free consultation. It won't cost you anything and it could end up saving you a lot of money and headaches down the road.

Contact us to schedule an appointment for your FREE network assessment with no obligations.